feat: /openapi-chatgpt.json — 29-op spec for ChatGPT Custom GPT limit

Drops obsidian (5 ops) and whatsapp/templates list (1 op) to stay
under ChatGPT's 30-operation cap. Served at /openapi-chatgpt.json.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

hermes-k8s.yaml

@@ -22,7 +22,7 @@ spec:
         fsGroup: 1000
       containers:
         - name: hermes-mcp
-          image: localhost:32000/hermes-mcp@sha256:4f91bf92c5498605a59d54b1a32789e9d125fcff0c0b1d00225fc2bae888f26d
+          image: localhost:32000/hermes-mcp@sha256:d98ef6d2fde25c11233f614f839b09958bfb772c9a5b26fe8374cf6ffd5417a2
           imagePullPolicy: Always
           securityContext:
             allowPrivilegeEscalation: false

src/index.ts

@@ -13,7 +13,7 @@ import {
   isInitializeRequest,
 } from '@modelcontextprotocol/sdk/types.js';
 import { tools, handleToolCall, stripAccountParam } from './tools.js';
-import { getManifest, getOpenApiSpec, getOpenApiSpecMail, getOpenApiSpecSocial } from './manifest.js';
+import { getManifest, getOpenApiSpec, getOpenApiSpecMail, getOpenApiSpecSocial, getOpenApiSpecChatGPT } from './manifest.js';
 import { routeWhatsAppWebhook, registerWhatsAppNumber, type RoutedWebhookEvent } from './multitenancy/webhook-router.js';
 import { storeCredential, type Platform } from './multitenancy/credential-store.js';
 import { meterMiddleware, resolveCustomerByApiKey, resolveCustomerById, type Customer } from './billing/middleware.js';
@@ -1114,6 +1114,10 @@ app.get('/openapi-social.json', (_req, res) => {
   res.json(getOpenApiSpecSocial(SERVER_URL));
 });
 
+app.get('/openapi-chatgpt.json', (_req, res) => {
+  res.json(getOpenApiSpecChatGPT(SERVER_URL));
+});
+
 // ── Obsidian REST API (ChatGPT Actions) ────────────────────────────────────
 
 function parseToolResult(result: { content: Array<{ type: string; text: string }> }): unknown {

src/manifest.ts

@@ -767,6 +767,60 @@ function filterPaths(fullSpec: Record<string, unknown>, allowed: Set<string>): R
   return filtered;
 }
 
+const CHATGPT_PATHS = new Set([
+  // Email
+  '/api/email/profile',
+  '/api/email/search',
+  '/api/email/read',
+  '/api/email/send',
+  // WhatsApp
+  '/api/whatsapp/send',
+  '/api/whatsapp/template',
+  // LinkedIn
+  '/api/linkedin/profile',
+  '/api/linkedin/post',
+  '/api/linkedin/video',
+  // Telegram
+  '/api/telegram/message',
+  '/api/telegram/updates',
+  // Discord
+  '/api/discord/guilds',
+  '/api/discord/message',
+  '/api/discord/messages',
+  // Instagram
+  '/api/instagram/profile',
+  '/api/instagram/media',
+  '/api/instagram/post',
+  '/api/instagram/reel',
+  // Facebook
+  '/api/facebook/page',
+  '/api/facebook/posts',
+  '/api/facebook/post',
+  '/api/facebook/photo',
+  '/api/facebook/video',
+  // Twitter/X
+  '/api/twitter/search',
+  '/api/twitter/user',
+  '/api/twitter/tweets',
+  '/api/twitter/video',
+  // TikTok
+  '/api/tiktok/profile',
+  '/api/tiktok/video',
+]);
+
+export function getOpenApiSpecChatGPT(serverUrl: string) {
+  const full = getOpenApiSpec(serverUrl);
+  return {
+    ...full,
+    info: {
+      ...full.info,
+      title: 'SquareMCP',
+      description: 'AI Social Media Gateway — send WhatsApp, email, LinkedIn, Instagram, Facebook, Twitter/X, TikTok, Telegram, and Discord messages from ChatGPT.',
+    },
+    paths: filterPaths(full, CHATGPT_PATHS),
+  };
+}
+
 export function getOpenApiSpecMail(serverUrl: string) {
   const full = getOpenApiSpec(serverUrl);
   return {