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7dc28be | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | import type { FastMCP } from 'fastmcp';
import { UserError } from 'fastmcp';
import { z } from 'zod';
import { getGmailClient } from '../../clients.js';
import { findHeaderValue } from './helpers.js';
export function register(server: FastMCP) {
server.addTool({
name: 'listDrafts',
description:
'Lists Gmail drafts for the authenticated user. Returns draft IDs along with the recipient, subject, snippet, and date for each. Use sendDraft, updateDraft, or deleteDraft to act on a returned draft.',
parameters: z.strictObject({
maxResults: z
.number()
.int()
.min(1)
.max(100)
.optional()
.default(25)
.describe('Maximum number of drafts to return (1-100). Defaults to 25.'),
q: z
.string()
.optional()
.describe('Optional Gmail search query to filter drafts (e.g. "subject:proposal").'),
}),
execute: async (args, { log }) => {
const gmail = await getGmailClient();
log.info(`Listing Gmail drafts (max=${args.maxResults})`);
try {
const listResponse = await gmail.users.drafts.list({
userId: 'me',
maxResults: args.maxResults,
q: args.q,
});
const draftRefs = listResponse.data.drafts ?? [];
if (draftRefs.length === 0) {
return JSON.stringify(
{
drafts: [],
resultSizeEstimate: listResponse.data.resultSizeEstimate ?? 0,
nextPageToken: listResponse.data.nextPageToken ?? null,
},
null,
2
);
}
const detailed = await Promise.all(
draftRefs.map((ref) =>
gmail.users.drafts.get({
userId: 'me',
id: ref.id!,
format: 'metadata',
})
)
);
const drafts = detailed.map((response) => {
const draft = response.data;
const msg = draft.message;
const headers = msg?.payload?.headers;
return {
draftId: draft.id,
messageId: msg?.id,
threadId: msg?.threadId,
snippet: msg?.snippet ?? '',
to: findHeaderValue(headers, 'To'),
cc: findHeaderValue(headers, 'Cc'),
subject: findHeaderValue(headers, 'Subject'),
date: findHeaderValue(headers, 'Date'),
};
});
return JSON.stringify(
{
drafts,
resultSizeEstimate: listResponse.data.resultSizeEstimate ?? drafts.length,
nextPageToken: listResponse.data.nextPageToken ?? null,
},
null,
2
);
} catch (error: any) {
log.error(`Error listing drafts: ${error.message || error}`);
if (error.code === 403)
throw new UserError('Permission denied. Confirm the gmail.modify scope was granted.');
throw new UserError(`Failed to list drafts: ${error.message || 'Unknown error'}`);
}
},
});
}
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