Merge pull request #5 from kjannette/restructure

Restructure
This commit is contained in:
S Jannette
2026-02-18 07:06:07 -05:00
committed by GitHub
7 changed files with 823 additions and 806 deletions

6
src/McpServer.ts Normal file
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import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
export const server = new McpServer({
name: "assistant",
version: "1.0.0",
});

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@@ -1,815 +1,18 @@
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
#!/usr/bin/env node
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { z } from "zod";
import { google, gmail_v1, sheets_v4, calendar_v3 } from "googleapis";
import { OAuth2Client } from "google-auth-library";
import fs from "fs";
import path from "path";
import { server } from "./McpServer.js";
// ---------------------------------------------------------------------------
// Paths — resolved relative to the compiled build/ directory, up one level
// to the project root where credentials.json, token.json, and summary.json live.
// ---------------------------------------------------------------------------
const __dirname = path.dirname(new URL(import.meta.url).pathname);
const PROJECT_ROOT = path.resolve(__dirname, "..");
const CREDENTIALS_PATH = path.join(PROJECT_ROOT, "credentials.json");
const ACCOUNTS_PATH = path.join(PROJECT_ROOT, "accounts.json");
const CLASSIFY_PROMPT_PATH = path.join(PROJECT_ROOT, "classify-emails.txt");
const ACTION_PROMPT_PATH = path.join(
PROJECT_ROOT, "src", "prompts", "take-action-on-emails.txt"
);
// Side-effect imports: each module registers its prompts/tools on the server
import "./prompt-controller-service/prompt-controller-service.js";
import "./tools/tools-email.js";
import "./tools/tools-spreadsheet.js";
import "./tools/tools-calendar.js";
// ---------------------------------------------------------------------------
// Account configuration
// ---------------------------------------------------------------------------
interface AccountConfig {
label: string;
tokenFile: string;
spreadsheetId?: string;
calendarId?: string;
}
interface AccountsMap {
[key: string]: AccountConfig;
}
function loadAccounts(): AccountsMap {
if (!fs.existsSync(ACCOUNTS_PATH)) {
throw new Error(`Missing accounts.json at ${ACCOUNTS_PATH}.`);
}
return JSON.parse(fs.readFileSync(ACCOUNTS_PATH, "utf-8"));
}
function getTokenPath(account: string): string {
const accounts = loadAccounts();
const acct = accounts[account];
if (!acct) {
const available = Object.keys(accounts).join(", ");
throw new Error(
`Unknown account "${account}". Available accounts: ${available}`
);
}
return path.join(PROJECT_ROOT, acct.tokenFile);
}
function getSummaryPath(account: string): string {
if (account === "work") {
return path.join(PROJECT_ROOT, "summary.json");
}
return path.join(PROJECT_ROOT, `summary-${account}.json`);
}
const VALID_ACCOUNTS = ["work", "secondary"] as const;
const accounts = loadAccounts();
const accountDescription = VALID_ACCOUNTS
.map((key) => `"${key}" (${accounts[key]?.label ?? key})`)
.join(" or ");
const accountSchema = z
.enum(VALID_ACCOUNTS)
.describe(`Which email account to use: ${accountDescription}`);
// ---------------------------------------------------------------------------
// Prompt loaders
// ---------------------------------------------------------------------------
function loadPromptFile(filePath: string, label: string): string {
if (!fs.existsSync(filePath)) {
console.error(`Warning: ${filePath} not found. ${label} will be missing.`);
return "";
}
return fs.readFileSync(filePath, "utf-8");
}
function loadClassificationPrompt(): string {
return loadPromptFile(CLASSIFY_PROMPT_PATH, "Classification instructions");
}
function loadActionPrompt(): string {
return loadPromptFile(ACTION_PROMPT_PATH, "Action instructions");
}
// ---------------------------------------------------------------------------
// Auth helpers — generic OAuth2 client, then service-specific factories
// ---------------------------------------------------------------------------
function getOAuth2Client(account: string): OAuth2Client {
const tokenPath = getTokenPath(account);
if (!fs.existsSync(CREDENTIALS_PATH)) {
throw new Error(
`Missing credentials.json at ${CREDENTIALS_PATH}. Run "npm run auth" first.`
);
}
if (!fs.existsSync(tokenPath)) {
throw new Error(
`Missing token file at ${tokenPath} for account "${account}". Run "npm run auth" first.`
);
}
const credentials = JSON.parse(fs.readFileSync(CREDENTIALS_PATH, "utf-8"));
const { client_id, client_secret, redirect_uris } =
credentials.installed || credentials.web;
const oAuth2Client = new google.auth.OAuth2(
client_id,
client_secret,
redirect_uris[0]
);
const token = JSON.parse(fs.readFileSync(tokenPath, "utf-8"));
oAuth2Client.setCredentials(token);
oAuth2Client.on("tokens", (newTokens) => {
const current = JSON.parse(fs.readFileSync(tokenPath, "utf-8"));
fs.writeFileSync(
tokenPath,
JSON.stringify({ ...current, ...newTokens }, null, 2)
);
console.error(`Token refreshed and saved for account "${account}".`);
});
return oAuth2Client;
}
function getGmailClient(account: string): gmail_v1.Gmail {
return google.gmail({ version: "v1", auth: getOAuth2Client(account) });
}
function getSheetsClient(account: string): sheets_v4.Sheets {
return google.sheets({ version: "v4", auth: getOAuth2Client(account) });
}
function getCalendarClient(account: string): calendar_v3.Calendar {
return google.calendar({ version: "v3", auth: getOAuth2Client(account) });
}
function getSpreadsheetId(account: string): string {
const acct = accounts[account];
if (!acct?.spreadsheetId || acct.spreadsheetId === "PASTE_YOUR_SHEET_ID_HERE") {
throw new Error(
`No spreadsheetId configured for account "${account}" in accounts.json.`
);
}
return acct.spreadsheetId;
}
function getCalendarId(account: string): string {
return accounts[account]?.calendarId ?? "primary";
}
// ---------------------------------------------------------------------------
// Email parsing helpers
// ---------------------------------------------------------------------------
function getHeader(
headers: gmail_v1.Schema$MessagePartHeader[] | undefined,
name: string
): string {
if (!headers) return "";
const header = headers.find(
(h) => h.name?.toLowerCase() === name.toLowerCase()
);
return header?.value ?? "";
}
function decodeBody(message: gmail_v1.Schema$Message): string {
const parts = message.payload?.parts;
let encoded = "";
if (parts) {
// Multipart message — prefer text/plain
const textPart = parts.find((p) => p.mimeType === "text/plain");
encoded = textPart?.body?.data ?? "";
// Fallback to text/html if no plain text
if (!encoded) {
const htmlPart = parts.find((p) => p.mimeType === "text/html");
encoded = htmlPart?.body?.data ?? "";
}
} else {
// Single-part message
encoded = message.payload?.body?.data ?? "";
}
if (!encoded) {
return message.snippet ?? "";
}
return Buffer.from(encoded, "base64url").toString("utf-8");
}
// ---------------------------------------------------------------------------
// MCP Server
// ---------------------------------------------------------------------------
const server = new McpServer({
name: "assistant",
version: "1.0.0",
});
// ---------------------------------------------------------------------------
// Prompt: review_emails (work account)
// ---------------------------------------------------------------------------
server.registerPrompt(
"review_emails",
{
description:
`Review WORK inbox (${accounts.work?.label ?? "work"}): classify emails, delete A+C, summarize B+D, log B to spreadsheet, create calendar events.`,
},
() => {
const phase1 = loadClassificationPrompt();
const phase2 = loadActionPrompt();
return {
messages: [
{
role: "user" as const,
content: {
type: "text" as const,
text:
`ACCOUNT: Use account = "work" for ALL tool calls in this session.\n\n` +
(phase1 || "Review my new emails and classify them by job application category.") +
(phase2 ? `\n\n${phase2}` : ""),
},
},
],
};
}
);
// ---------------------------------------------------------------------------
// Prompt: review_secondary_emails (secondary account)
// ---------------------------------------------------------------------------
server.registerPrompt(
"review_secondary_emails",
{
description:
`Review SECONDARY inbox (${accounts.secondary?.label ?? "secondary"}): classify emails, delete A+C, summarize B+D, log B to spreadsheet, create calendar events.`,
},
() => {
const phase1 = loadClassificationPrompt();
const phase2 = loadActionPrompt();
return {
messages: [
{
role: "user" as const,
content: {
type: "text" as const,
text:
`ACCOUNT: Use account = "secondary" for ALL tool calls in this session.\n\n` +
(phase1 || "Review my new emails and classify them by job application category.") +
(phase2 ? `\n\n${phase2}` : ""),
},
},
],
};
}
);
// ---------------------------------------------------------------------------
// Tool: fetch_new_emails
// ---------------------------------------------------------------------------
server.registerTool(
"fetch_new_emails",
{
description:
"Fetch unread emails from a Gmail inbox. Returns sender, date, " +
"subject, message ID, and body text for each message. The message IDs " +
"can be passed to delete_emails later. Specify which account to fetch from.",
inputSchema: {
account: accountSchema,
maxResults: z
.number()
.min(1)
.max(100)
.describe("Maximum number of unread emails to fetch (1-100)"),
},
},
async ({ account, maxResults }) => {
try {
const gmail = getGmailClient(account);
const listResponse = await gmail.users.messages.list({
userId: "me",
q: "is:unread",
maxResults,
});
const messageIds = listResponse.data.messages ?? [];
if (messageIds.length === 0) {
return {
content: [{ type: "text" as const, text: "No unread emails found." }],
};
}
const emails: string[] = [];
for (const msg of messageIds) {
const detail = await gmail.users.messages.get({
userId: "me",
id: msg.id!,
format: "full",
});
const headers = detail.data.payload?.headers;
const from = getHeader(headers, "From");
const subject = getHeader(headers, "Subject");
const date = getHeader(headers, "Date");
const body = decodeBody(detail.data);
// Truncate body to avoid overwhelming the context window
const truncatedBody =
body.length > 2000 ? body.substring(0, 2000) + "\n[...truncated]" : body;
emails.push(
[
`MESSAGE_ID: ${msg.id}`,
`FROM: ${from}`,
`DATE: ${date}`,
`SUBJECT: ${subject}`,
`BODY:\n${truncatedBody}`,
].join("\n")
);
}
const classificationInstructions = loadClassificationPrompt();
const actionInstructions = loadActionPrompt();
const instructionsBlock =
(classificationInstructions
? `\n\n${"=".repeat(60)}\nCLASSIFICATION INSTRUCTIONS (PHASE 1):\n${"=".repeat(60)}\n${classificationInstructions}`
: "") +
(actionInstructions
? `\n\n${"=".repeat(60)}\nACTION INSTRUCTIONS (PHASE 2):\n${"=".repeat(60)}\n${actionInstructions}`
: "");
return {
content: [
{
type: "text" as const,
text:
`Found ${emails.length} unread email(s):\n\n` +
`${"=".repeat(60)}\n${emails.join(`\n${"=".repeat(60)}\n`)}` +
instructionsBlock,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error fetching emails: ${errMsg}`,
},
],
};
}
}
);
// ---------------------------------------------------------------------------
// Tool: delete_emails
// ---------------------------------------------------------------------------
server.registerTool(
"delete_emails",
{
description:
"Move emails to trash by their Gmail message IDs. Use this for " +
"category A (acknowledgements) and category C (rejections) emails. " +
"Specify which account the emails belong to.",
inputSchema: {
account: accountSchema,
messageIds: z
.array(z.string())
.describe("Array of Gmail message IDs to move to trash"),
},
},
async ({ account, messageIds }) => {
try {
const gmail = getGmailClient(account);
const results: string[] = [];
for (const id of messageIds) {
try {
await gmail.users.messages.trash({
userId: "me",
id,
});
results.push(`Trashed: ${id}`);
} catch (err) {
const errMsg = err instanceof Error ? err.message : String(err);
results.push(`Failed to trash ${id}: ${errMsg}`);
}
}
return {
content: [
{
type: "text" as const,
text: `Delete results:\n${results.join("\n")}`,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error deleting emails: ${errMsg}`,
},
],
};
}
}
);
// ---------------------------------------------------------------------------
// Tool: append_to_summary
// ---------------------------------------------------------------------------
interface SummaryEntry {
senderName: string;
senderEmail: string;
dateReceived: string;
subject: string;
category: "B" | "D";
addedAt: string;
}
server.registerTool(
"append_to_summary",
{
description:
"Append classified email entries to the local summary file. Use this " +
"for category B (advancement to next step) and category D (other) emails. " +
"Each entry records the sender, date, subject, and category. " +
"Specify which account the emails belong to.",
inputSchema: {
account: accountSchema,
entries: z
.array(
z.object({
senderName: z.string().describe("Name of the sender"),
senderEmail: z.string().describe("Email address of the sender"),
dateReceived: z
.string()
.describe("Date and time the email was received"),
subject: z.string().describe("Email subject line"),
category: z
.enum(["B", "D"])
.describe(
"Category: B = advancement to next step, D = other/uncategorized"
),
})
)
.describe("Array of email summary entries to append"),
},
},
async ({ account, entries }) => {
try {
const summaryPath = getSummaryPath(account);
// Load existing summary or start fresh
let summary: SummaryEntry[] = [];
if (fs.existsSync(summaryPath)) {
summary = JSON.parse(fs.readFileSync(summaryPath, "utf-8"));
}
const now = new Date();
const nowIso = now.toISOString();
const newEntries: SummaryEntry[] = entries.map((e) => ({
...e,
addedAt: nowIso,
}));
summary.push(...newEntries);
// Purge entries older than 30 days
const RETENTION_MS = 30 * 24 * 60 * 60 * 1000;
const cutoff = now.getTime() - RETENTION_MS;
const beforePurge = summary.length;
summary = summary.filter(
(entry) => new Date(entry.addedAt).getTime() >= cutoff
);
const purged = beforePurge - summary.length;
fs.writeFileSync(summaryPath, JSON.stringify(summary, null, 2));
const purgeNote = purged > 0
? `\nPurged ${purged} entry/entries older than 30 days.`
: "";
return {
content: [
{
type: "text" as const,
text:
`Appended ${newEntries.length} entry/entries to summary.\n` +
`Total entries in summary: ${summary.length}\n` +
`Summary file: ${summaryPath}` +
purgeNote,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error appending to summary: ${errMsg}`,
},
],
};
}
}
);
// ---------------------------------------------------------------------------
// Sheet column layout for "Recruiter Communication Log and Call Schedule"
// ---------------------------------------------------------------------------
const SHEET_COLUMNS = [
"Recruiter Name", // A
"Recruiter Email", // B
"Recruiter Tel", // C
"Company/Role", // D
"First Contact", // E
"Subsequent Contact(s)", // F
"Recruiter Call Scheduled", // G
"Company Contact Info", // H
"Company First Interview", // I
"Company Second Interview", // J
];
const SHEET_RANGE = "Sheet1";
// ---------------------------------------------------------------------------
// Tool: log_recruiter_contact
// ---------------------------------------------------------------------------
server.registerTool(
"log_recruiter_contact",
{
description:
"Log or update recruiter contact info in the tracking spreadsheet. " +
"If a row already exists for the same recruiterEmail + companyRole, it " +
"updates the existing row (merging non-empty fields). Otherwise appends " +
"a new row. Use for Category B emails after classification.",
inputSchema: {
account: accountSchema,
recruiterName: z.string().describe("Recruiter's full name"),
recruiterEmail: z.string().describe("Recruiter's email address"),
recruiterTel: z
.string()
.optional()
.describe("Recruiter's phone number, if mentioned in the email"),
companyRole: z
.string()
.describe("Company name and role the recruiter seeks to fill"),
firstContact: z
.string()
.describe("Date/time of first contact (from the email's Date header)"),
subsequentContacts: z
.string()
.optional()
.describe("Any follow-up contact context mentioned in the email"),
recruiterCallScheduled: z
.string()
.optional()
.describe(
"Scheduled call details: date, time, platform (Zoom/Teams), " +
"meeting link or phone, and whether they have your cell number"
),
companyContactInfo: z
.string()
.optional()
.describe("Company interviewer name/email/tel if advancing to company interview"),
companyFirstInterview: z
.string()
.optional()
.describe("Company first interview: date, time, platform, link/phone, cell number note"),
companySecondInterview: z
.string()
.optional()
.describe("Company second interview: date, time, platform, link/phone, cell number note"),
},
},
async ({
account,
recruiterName,
recruiterEmail,
recruiterTel,
companyRole,
firstContact,
subsequentContacts,
recruiterCallScheduled,
companyContactInfo,
companyFirstInterview,
companySecondInterview,
}) => {
try {
const sheets = getSheetsClient(account);
const spreadsheetId = getSpreadsheetId(account);
const incomingRow = [
recruiterName,
recruiterEmail,
recruiterTel ?? "",
companyRole,
firstContact,
subsequentContacts ?? "",
recruiterCallScheduled ?? "",
companyContactInfo ?? "",
companyFirstInterview ?? "",
companySecondInterview ?? "",
];
// Read existing data to check for a matching row
const existing = await sheets.spreadsheets.values.get({
spreadsheetId,
range: SHEET_RANGE,
});
const rows = existing.data.values ?? [];
// Find row matching recruiterEmail (col B) + companyRole (col D)
const emailNorm = recruiterEmail.toLowerCase().trim();
const roleNorm = companyRole.toLowerCase().trim();
let matchIdx = -1;
for (let i = 0; i < rows.length; i++) {
const rowEmail = (rows[i][1] ?? "").toString().toLowerCase().trim();
const rowRole = (rows[i][3] ?? "").toString().toLowerCase().trim();
if (rowEmail === emailNorm && rowRole === roleNorm) {
matchIdx = i;
break;
}
}
if (matchIdx >= 0) {
// Merge: keep existing values where incoming is empty
const existingRow = rows[matchIdx];
const merged = incomingRow.map((val, col) => {
if (col === 5 && val && existingRow[col]) {
// Subsequent Contacts: append rather than overwrite
return `${existingRow[col]}; ${val}`;
}
return val || existingRow[col] || "";
});
const rowNum = matchIdx + 1; // 1-indexed
await sheets.spreadsheets.values.update({
spreadsheetId,
range: `${SHEET_RANGE}!A${rowNum}:J${rowNum}`,
valueInputOption: "USER_ENTERED",
requestBody: { values: [merged] },
});
return {
content: [
{
type: "text" as const,
text: `Updated existing row ${rowNum} for ${recruiterName} / ${companyRole}.`,
},
],
};
}
// No match — append new row
await sheets.spreadsheets.values.append({
spreadsheetId,
range: SHEET_RANGE,
valueInputOption: "USER_ENTERED",
requestBody: { values: [incomingRow] },
});
return {
content: [
{
type: "text" as const,
text: `Appended new row for ${recruiterName} / ${companyRole}.`,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error logging recruiter contact: ${errMsg}`,
},
],
};
}
}
);
// ---------------------------------------------------------------------------
// Tool: create_calendar_event
// ---------------------------------------------------------------------------
server.registerTool(
"create_calendar_event",
{
description:
"Create a Google Calendar event. Use immediately after logging a " +
"recruiter call, company first interview, or company second interview " +
"to the spreadsheet. One calendar event per scheduling column populated.",
inputSchema: {
account: accountSchema,
title: z
.string()
.describe(
"Event title, e.g. '[Recruiter Call] Acme Corp - Sr Engineer' " +
"or '[Interview] Acme Corp - Sr Engineer'"
),
startDateTime: z
.string()
.describe("Event start in ISO 8601 format, e.g. 2026-02-20T14:00:00-06:00"),
durationMinutes: z
.number()
.min(5)
.max(480)
.optional()
.describe("Duration in minutes (default 60)"),
description: z
.string()
.optional()
.describe(
"Event description: recruiter/company contact info, notes, " +
"whether they have your cell number, etc."
),
location: z
.string()
.optional()
.describe("Video meeting link (Zoom/Teams URL) or phone number"),
},
},
async ({ account, title, startDateTime, durationMinutes, description, location }) => {
try {
const start = new Date(startDateTime);
if (start.getTime() < Date.now()) {
return {
content: [
{
type: "text" as const,
text:
`Skipped calendar event "${title}" — the proposed date ` +
`(${start.toISOString()}) is in the past.`,
},
],
};
}
const calendar = getCalendarClient(account);
const calendarId = getCalendarId(account);
const end = new Date(start.getTime() + (durationMinutes ?? 60) * 60_000);
const event = await calendar.events.insert({
calendarId,
requestBody: {
summary: title,
start: {
dateTime: start.toISOString(),
},
end: {
dateTime: end.toISOString(),
},
description: description ?? "",
location: location ?? "",
},
});
return {
content: [
{
type: "text" as const,
text:
`Created calendar event: "${title}"\n` +
`Start: ${start.toISOString()}\n` +
`End: ${end.toISOString()}\n` +
`Event ID: ${event.data.id}\n` +
`Link: ${event.data.htmlLink}`,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error creating calendar event: ${errMsg}`,
},
],
};
}
}
);
// ---------------------------------------------------------------------------
// Start server
// ---------------------------------------------------------------------------
async function main(): Promise<void> {
const main = async (): Promise<void> => {
const transport = new StdioServerTransport();
await server.connect(transport);
console.error("Assistant MCP Server running on stdio");
}
};
main().catch((error) => {
console.error("Fatal error in main():", error);

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import { z } from "zod";
import { google, gmail_v1, sheets_v4, calendar_v3 } from "googleapis";
import { OAuth2Client } from "google-auth-library";
import fs from "fs";
import path from "path";
// ---------------------------------------------------------------------------
// Paths
// ---------------------------------------------------------------------------
const __dirname = path.dirname(new URL(import.meta.url).pathname);
export const PROJECT_ROOT = path.resolve(__dirname, "..", "..");
const CREDENTIALS_PATH = path.join(PROJECT_ROOT, "credentials.json");
const ACCOUNTS_PATH = path.join(PROJECT_ROOT, "accounts.json");
const CLASSIFY_PROMPT_PATH = path.join(PROJECT_ROOT, "classify-emails.txt");
const ACTION_PROMPT_PATH = path.join(
PROJECT_ROOT, "src", "prompts", "take-action-on-emails.txt"
);
// ---------------------------------------------------------------------------
// Account configuration
// ---------------------------------------------------------------------------
export interface AccountConfig {
label: string;
tokenFile: string;
spreadsheetId?: string;
calendarId?: string;
}
export interface AccountsMap {
[key: string]: AccountConfig;
}
export const loadAccounts = (): AccountsMap => {
if (!fs.existsSync(ACCOUNTS_PATH)) {
throw new Error(`Missing accounts.json at ${ACCOUNTS_PATH}.`);
}
return JSON.parse(fs.readFileSync(ACCOUNTS_PATH, "utf-8"));
};
export const getTokenPath = (account: string): string => {
const accts = loadAccounts();
const acct = accts[account];
if (!acct) {
const available = Object.keys(accts).join(", ");
throw new Error(
`Unknown account "${account}". Available accounts: ${available}`
);
}
return path.join(PROJECT_ROOT, acct.tokenFile);
};
export const getSummaryPath = (account: string): string => {
if (account === "work") {
return path.join(PROJECT_ROOT, "summary.json");
}
return path.join(PROJECT_ROOT, `summary-${account}.json`);
};
export const VALID_ACCOUNTS = ["work", "secondary"] as const;
export const accounts = loadAccounts();
const accountDescription = VALID_ACCOUNTS
.map((key) => `"${key}" (${accounts[key]?.label ?? key})`)
.join(" or ");
export const accountSchema = z
.enum(VALID_ACCOUNTS)
.describe(`Which email account to use: ${accountDescription}`);
// ---------------------------------------------------------------------------
// Prompt loaders
// ---------------------------------------------------------------------------
const loadPromptFile = (filePath: string, label: string): string => {
if (!fs.existsSync(filePath)) {
console.error(`Warning: ${filePath} not found. ${label} will be missing.`);
return "";
}
return fs.readFileSync(filePath, "utf-8");
};
export const loadClassificationPrompt = (): string =>
loadPromptFile(CLASSIFY_PROMPT_PATH, "Classification instructions");
export const loadActionPrompt = (): string =>
loadPromptFile(ACTION_PROMPT_PATH, "Action instructions");
// ---------------------------------------------------------------------------
// Auth helpers — generic OAuth2 client, then service-specific factories
// ---------------------------------------------------------------------------
export const getOAuth2Client = (account: string): OAuth2Client => {
const tokenPath = getTokenPath(account);
if (!fs.existsSync(CREDENTIALS_PATH)) {
throw new Error(
`Missing credentials.json at ${CREDENTIALS_PATH}. Run "npm run auth" first.`
);
}
if (!fs.existsSync(tokenPath)) {
throw new Error(
`Missing token file at ${tokenPath} for account "${account}". Run "npm run auth" first.`
);
}
const credentials = JSON.parse(fs.readFileSync(CREDENTIALS_PATH, "utf-8"));
const { client_id, client_secret, redirect_uris } =
credentials.installed || credentials.web;
const oAuth2Client = new google.auth.OAuth2(
client_id,
client_secret,
redirect_uris[0]
);
const token = JSON.parse(fs.readFileSync(tokenPath, "utf-8"));
oAuth2Client.setCredentials(token);
oAuth2Client.on("tokens", (newTokens) => {
const current = JSON.parse(fs.readFileSync(tokenPath, "utf-8"));
fs.writeFileSync(
tokenPath,
JSON.stringify({ ...current, ...newTokens }, null, 2)
);
console.error(`Token refreshed and saved for account "${account}".`);
});
return oAuth2Client;
};
export const getGmailClient = (account: string): gmail_v1.Gmail =>
google.gmail({ version: "v1", auth: getOAuth2Client(account) });
export const getSheetsClient = (account: string): sheets_v4.Sheets =>
google.sheets({ version: "v4", auth: getOAuth2Client(account) });
export const getCalendarClient = (account: string): calendar_v3.Calendar =>
google.calendar({ version: "v3", auth: getOAuth2Client(account) });
export const getSpreadsheetId = (account: string): string => {
const acct = accounts[account];
if (!acct?.spreadsheetId || acct.spreadsheetId === "PASTE_YOUR_SHEET_ID_HERE") {
throw new Error(
`No spreadsheetId configured for account "${account}" in accounts.json.`
);
}
return acct.spreadsheetId;
};
export const getCalendarId = (account: string): string =>
accounts[account]?.calendarId ?? "primary";

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import { server } from "../McpServer.js";
import {
accounts,
loadClassificationPrompt,
loadActionPrompt,
} from "../loaders/prompt-config-loaders.js";
// ---------------------------------------------------------------------------
// Prompt: review_emails (work account)
// ---------------------------------------------------------------------------
server.registerPrompt(
"review_emails",
{
description:
`Review WORK inbox (${accounts.work?.label ?? "work"}): classify emails, delete A+C, summarize B+D, log B to spreadsheet, create calendar events.`,
},
() => {
const phase1 = loadClassificationPrompt();
const phase2 = loadActionPrompt();
return {
messages: [
{
role: "user" as const,
content: {
type: "text" as const,
text:
`ACCOUNT: Use account = "work" for ALL tool calls in this session.\n\n` +
(phase1 || "Review my new emails and classify them by job application category.") +
(phase2 ? `\n\n${phase2}` : ""),
},
},
],
};
}
);
// ---------------------------------------------------------------------------
// Prompt: review_secondary_emails (secondary account)
// ---------------------------------------------------------------------------
server.registerPrompt(
"review_secondary_emails",
{
description:
`Review SECONDARY inbox (${accounts.secondary?.label ?? "secondary"}): classify emails, delete A+C, summarize B+D, log B to spreadsheet, create calendar events.`,
},
() => {
const phase1 = loadClassificationPrompt();
const phase2 = loadActionPrompt();
return {
messages: [
{
role: "user" as const,
content: {
type: "text" as const,
text:
`ACCOUNT: Use account = "secondary" for ALL tool calls in this session.\n\n` +
(phase1 || "Review my new emails and classify them by job application category.") +
(phase2 ? `\n\n${phase2}` : ""),
},
},
],
};
}
);

111
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import { z } from "zod";
import { server } from "../McpServer.js";
import {
accountSchema,
getCalendarClient,
getCalendarId,
} from "../loaders/prompt-config-loaders.js";
// ---------------------------------------------------------------------------
// Tool: create_calendar_event
// ---------------------------------------------------------------------------
server.registerTool(
"create_calendar_event",
{
description:
"Create a Google Calendar event. Use immediately after logging a " +
"recruiter call, company first interview, or company second interview " +
"to the spreadsheet. One calendar event per scheduling column populated.",
inputSchema: {
account: accountSchema,
title: z
.string()
.describe(
"Event title, e.g. '[Recruiter Call] Acme Corp - Sr Engineer' " +
"or '[Interview] Acme Corp - Sr Engineer'"
),
startDateTime: z
.string()
.describe("Event start in ISO 8601 format, e.g. 2026-02-20T14:00:00-06:00"),
durationMinutes: z
.number()
.min(5)
.max(480)
.optional()
.describe("Duration in minutes (default 60)"),
description: z
.string()
.optional()
.describe(
"Event description: recruiter/company contact info, notes, " +
"whether they have your cell number, etc."
),
location: z
.string()
.optional()
.describe("Video meeting link (Zoom/Teams URL) or phone number"),
},
},
async ({ account, title, startDateTime, durationMinutes, description, location }) => {
try {
const start = new Date(startDateTime);
if (start.getTime() < Date.now()) {
return {
content: [
{
type: "text" as const,
text:
`Skipped calendar event "${title}" — the proposed date ` +
`(${start.toISOString()}) is in the past.`,
},
],
};
}
const calendar = getCalendarClient(account);
const calendarId = getCalendarId(account);
const end = new Date(start.getTime() + (durationMinutes ?? 60) * 60_000);
const event = await calendar.events.insert({
calendarId,
requestBody: {
summary: title,
start: {
dateTime: start.toISOString(),
},
end: {
dateTime: end.toISOString(),
},
description: description ?? "",
location: location ?? "",
},
});
return {
content: [
{
type: "text" as const,
text:
`Created calendar event: "${title}"\n` +
`Start: ${start.toISOString()}\n` +
`End: ${end.toISOString()}\n` +
`Event ID: ${event.data.id}\n` +
`Link: ${event.data.htmlLink}`,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error creating calendar event: ${errMsg}`,
},
],
};
}
}
);

305
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import { z } from "zod";
import { gmail_v1 } from "googleapis";
import fs from "fs";
import { server } from "../McpServer.js";
import {
accountSchema,
getGmailClient,
getSummaryPath,
loadClassificationPrompt,
loadActionPrompt,
} from "../loaders/prompt-config-loaders.js";
// ---------------------------------------------------------------------------
// Email parsing helpers
// ---------------------------------------------------------------------------
const getHeader = (
headers: gmail_v1.Schema$MessagePartHeader[] | undefined,
name: string
): string => {
if (!headers) return "";
const header = headers.find(
(h) => h.name?.toLowerCase() === name.toLowerCase()
);
return header?.value ?? "";
};
const decodeBody = (message: gmail_v1.Schema$Message): string => {
const parts = message.payload?.parts;
let encoded = "";
if (parts) {
const textPart = parts.find((p) => p.mimeType === "text/plain");
encoded = textPart?.body?.data ?? "";
if (!encoded) {
const htmlPart = parts.find((p) => p.mimeType === "text/html");
encoded = htmlPart?.body?.data ?? "";
}
} else {
encoded = message.payload?.body?.data ?? "";
}
if (!encoded) {
return message.snippet ?? "";
}
return Buffer.from(encoded, "base64url").toString("utf-8");
};
// ---------------------------------------------------------------------------
// Tool: fetch_new_emails
// ---------------------------------------------------------------------------
server.registerTool(
"fetch_new_emails",
{
description:
"Fetch unread emails from a Gmail inbox. Returns sender, date, " +
"subject, message ID, and body text for each message. The message IDs " +
"can be passed to delete_emails later. Specify which account to fetch from.",
inputSchema: {
account: accountSchema,
maxResults: z
.number()
.min(1)
.max(100)
.describe("Maximum number of unread emails to fetch (1-100)"),
},
},
async ({ account, maxResults }) => {
try {
const gmail = getGmailClient(account);
const listResponse = await gmail.users.messages.list({
userId: "me",
q: "is:unread",
maxResults,
});
const messageIds = listResponse.data.messages ?? [];
if (messageIds.length === 0) {
return {
content: [{ type: "text" as const, text: "No unread emails found." }],
};
}
const emails: string[] = [];
for (const msg of messageIds) {
const detail = await gmail.users.messages.get({
userId: "me",
id: msg.id!,
format: "full",
});
const headers = detail.data.payload?.headers;
const from = getHeader(headers, "From");
const subject = getHeader(headers, "Subject");
const date = getHeader(headers, "Date");
const body = decodeBody(detail.data);
const truncatedBody =
body.length > 2000 ? body.substring(0, 2000) + "\n[...truncated]" : body;
emails.push(
[
`MESSAGE_ID: ${msg.id}`,
`FROM: ${from}`,
`DATE: ${date}`,
`SUBJECT: ${subject}`,
`BODY:\n${truncatedBody}`,
].join("\n")
);
}
const classificationInstructions = loadClassificationPrompt();
const actionInstructions = loadActionPrompt();
const instructionsBlock =
(classificationInstructions
? `\n\n${"=".repeat(60)}\nCLASSIFICATION INSTRUCTIONS (PHASE 1):\n${"=".repeat(60)}\n${classificationInstructions}`
: "") +
(actionInstructions
? `\n\n${"=".repeat(60)}\nACTION INSTRUCTIONS (PHASE 2):\n${"=".repeat(60)}\n${actionInstructions}`
: "");
return {
content: [
{
type: "text" as const,
text:
`Found ${emails.length} unread email(s):\n\n` +
`${"=".repeat(60)}\n${emails.join(`\n${"=".repeat(60)}\n`)}` +
instructionsBlock,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error fetching emails: ${errMsg}`,
},
],
};
}
}
);
// ---------------------------------------------------------------------------
// Tool: delete_emails
// ---------------------------------------------------------------------------
server.registerTool(
"delete_emails",
{
description:
"Move emails to trash by their Gmail message IDs. Use this for " +
"category A (acknowledgements) and category C (rejections) emails. " +
"Specify which account the emails belong to.",
inputSchema: {
account: accountSchema,
messageIds: z
.array(z.string())
.describe("Array of Gmail message IDs to move to trash"),
},
},
async ({ account, messageIds }) => {
try {
const gmail = getGmailClient(account);
const results: string[] = [];
for (const id of messageIds) {
try {
await gmail.users.messages.trash({
userId: "me",
id,
});
results.push(`Trashed: ${id}`);
} catch (err) {
const errMsg = err instanceof Error ? err.message : String(err);
results.push(`Failed to trash ${id}: ${errMsg}`);
}
}
return {
content: [
{
type: "text" as const,
text: `Delete results:\n${results.join("\n")}`,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error deleting emails: ${errMsg}`,
},
],
};
}
}
);
// ---------------------------------------------------------------------------
// Tool: append_to_summary
// ---------------------------------------------------------------------------
interface SummaryEntry {
senderName: string;
senderEmail: string;
dateReceived: string;
subject: string;
category: "B" | "D";
addedAt: string;
}
server.registerTool(
"append_to_summary",
{
description:
"Append classified email entries to the local summary file. Use this " +
"for category B (advancement to next step) and category D (other) emails. " +
"Each entry records the sender, date, subject, and category. " +
"Specify which account the emails belong to.",
inputSchema: {
account: accountSchema,
entries: z
.array(
z.object({
senderName: z.string().describe("Name of the sender"),
senderEmail: z.string().describe("Email address of the sender"),
dateReceived: z
.string()
.describe("Date and time the email was received"),
subject: z.string().describe("Email subject line"),
category: z
.enum(["B", "D"])
.describe(
"Category: B = advancement to next step, D = other/uncategorized"
),
})
)
.describe("Array of email summary entries to append"),
},
},
async ({ account, entries }) => {
try {
const summaryPath = getSummaryPath(account);
let summary: SummaryEntry[] = [];
if (fs.existsSync(summaryPath)) {
summary = JSON.parse(fs.readFileSync(summaryPath, "utf-8"));
}
const now = new Date();
const nowIso = now.toISOString();
const newEntries: SummaryEntry[] = entries.map((e) => ({
...e,
addedAt: nowIso,
}));
summary.push(...newEntries);
const RETENTION_MS = 30 * 24 * 60 * 60 * 1000;
const cutoff = now.getTime() - RETENTION_MS;
const beforePurge = summary.length;
summary = summary.filter(
(entry) => new Date(entry.addedAt).getTime() >= cutoff
);
const purged = beforePurge - summary.length;
fs.writeFileSync(summaryPath, JSON.stringify(summary, null, 2));
const purgeNote = purged > 0
? `\nPurged ${purged} entry/entries older than 30 days.`
: "";
return {
content: [
{
type: "text" as const,
text:
`Appended ${newEntries.length} entry/entries to summary.\n` +
`Total entries in summary: ${summary.length}\n` +
`Summary file: ${summaryPath}` +
purgeNote,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error appending to summary: ${errMsg}`,
},
],
};
}
}
);

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import { z } from "zod";
import { server } from "../McpServer.js";
import {
accountSchema,
getSheetsClient,
getSpreadsheetId,
} from "../loaders/prompt-config-loaders.js";
// ---------------------------------------------------------------------------
// Sheet column layout for "Recruiter Communication Log and Call Schedule"
// ---------------------------------------------------------------------------
const SHEET_COLUMNS = [
"Recruiter Name", // A
"Recruiter Email", // B
"Recruiter Tel", // C
"Company/Role", // D
"First Contact", // E
"Subsequent Contact(s)", // F
"Recruiter Call Scheduled", // G
"Company Contact Info", // H
"Company First Interview", // I
"Company Second Interview", // J
];
const SHEET_RANGE = "Sheet1";
// ---------------------------------------------------------------------------
// Tool: log_recruiter_contact
// ---------------------------------------------------------------------------
server.registerTool(
"log_recruiter_contact",
{
description:
"Log or update recruiter contact info in the tracking spreadsheet. " +
"If a row already exists for the same recruiterEmail + companyRole, it " +
"updates the existing row (merging non-empty fields). Otherwise appends " +
"a new row. Use for Category B emails after classification.",
inputSchema: {
account: accountSchema,
recruiterName: z.string().describe("Recruiter's full name"),
recruiterEmail: z.string().describe("Recruiter's email address"),
recruiterTel: z
.string()
.optional()
.describe("Recruiter's phone number, if mentioned in the email"),
companyRole: z
.string()
.describe("Company name and role the recruiter seeks to fill"),
firstContact: z
.string()
.describe("Date/time of first contact (from the email's Date header)"),
subsequentContacts: z
.string()
.optional()
.describe("Any follow-up contact context mentioned in the email"),
recruiterCallScheduled: z
.string()
.optional()
.describe(
"Scheduled call details: date, time, platform (Zoom/Teams), " +
"meeting link or phone, and whether they have your cell number"
),
companyContactInfo: z
.string()
.optional()
.describe("Company interviewer name/email/tel if advancing to company interview"),
companyFirstInterview: z
.string()
.optional()
.describe("Company first interview: date, time, platform, link/phone, cell number note"),
companySecondInterview: z
.string()
.optional()
.describe("Company second interview: date, time, platform, link/phone, cell number note"),
},
},
async ({
account,
recruiterName,
recruiterEmail,
recruiterTel,
companyRole,
firstContact,
subsequentContacts,
recruiterCallScheduled,
companyContactInfo,
companyFirstInterview,
companySecondInterview,
}) => {
try {
const sheets = getSheetsClient(account);
const spreadsheetId = getSpreadsheetId(account);
const incomingRow = [
recruiterName,
recruiterEmail,
recruiterTel ?? "",
companyRole,
firstContact,
subsequentContacts ?? "",
recruiterCallScheduled ?? "",
companyContactInfo ?? "",
companyFirstInterview ?? "",
companySecondInterview ?? "",
];
const existing = await sheets.spreadsheets.values.get({
spreadsheetId,
range: SHEET_RANGE,
});
const rows = existing.data.values ?? [];
const emailNorm = recruiterEmail.toLowerCase().trim();
const roleNorm = companyRole.toLowerCase().trim();
let matchIdx = -1;
for (let i = 0; i < rows.length; i++) {
const rowEmail = (rows[i][1] ?? "").toString().toLowerCase().trim();
const rowRole = (rows[i][3] ?? "").toString().toLowerCase().trim();
if (rowEmail === emailNorm && rowRole === roleNorm) {
matchIdx = i;
break;
}
}
if (matchIdx >= 0) {
const existingRow = rows[matchIdx];
const merged = incomingRow.map((val, col) => {
if (col === 5 && val && existingRow[col]) {
return `${existingRow[col]}; ${val}`;
}
return val || existingRow[col] || "";
});
const rowNum = matchIdx + 1;
await sheets.spreadsheets.values.update({
spreadsheetId,
range: `${SHEET_RANGE}!A${rowNum}:J${rowNum}`,
valueInputOption: "USER_ENTERED",
requestBody: { values: [merged] },
});
return {
content: [
{
type: "text" as const,
text: `Updated existing row ${rowNum} for ${recruiterName} / ${companyRole}.`,
},
],
};
}
await sheets.spreadsheets.values.append({
spreadsheetId,
range: SHEET_RANGE,
valueInputOption: "USER_ENTERED",
requestBody: { values: [incomingRow] },
});
return {
content: [
{
type: "text" as const,
text: `Appended new row for ${recruiterName} / ${companyRole}.`,
},
],
};
} catch (error) {
const errMsg = error instanceof Error ? error.message : String(error);
return {
content: [
{
type: "text" as const,
text: `Error logging recruiter contact: ${errMsg}`,
},
],
};
}
}
);