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CometChat MCP Server

Add real-time chat, voice, video, and moderation to your app through your AI coding agent.

Docs • CometChat • Get an account (free, 100 MAU)

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CometChat's first-party MCP server. Connect Claude, Cursor, Windsurf, VS Code Copilot, Codex, or any other Model Context Protocol–compatible agent and integrate CometChat into your app from natural-language prompts.

Ask the agent: "add a chat tab where users can DM each other" — it reads CometChat's documentation, picks the right components for your stack, and writes the integration code.

Read-only. No account, no API key, no authentication required.

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Demo

An AI agent reading CometChat's docs and writing a working chat integration from a single prompt.

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Quick install

Agent	How to add
Claude.ai / Claude Desktop	Settings → Connectors → Add custom connector → URL: https://mcp.cometchat.com/mcp
Cursor	Cmd+Shift+P → Open MCP settings → Add custom MCP → paste config below
Windsurf	Plugins (hammer icon) → Manage plugins → View raw config → paste config below
VS Code (Copilot Agent)	Cmd+Shift+P → MCP: Add MCP Server → URL: https://mcp.cometchat.com/mcp, Transport: SSE
Claude Code (CLI)	claude mcp add --transport http cometchat https://mcp.cometchat.com/mcp
Smithery	npx -y smithery mcp add cometchat/docs-mcp
Codex CLI	codex plugin marketplace add cometchat/docs-mcp

Config snippet (Cursor / Windsurf / generic MCP clients)

{
  "mcpServers": {
    "cometchat": {
      "url": "https://mcp.cometchat.com/mcp"
    }
  }
}

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Usage

After connecting, prompt your agent with any of these:

• "How do I install the React UI Kit in my Vite project?"
• "Walk me through multi-tenant chat for a Next.js SaaS where workspaces are isolated."
• "Show me how to add presence indicators and typing dots to my iOS conversation list."
• "Set up content moderation so banned words are blocked before delivery."
• "Build a no-code chat widget for my Webflow site."
• "What's the rate limit for sending messages, and what error code do I get when I hit it?"

The agent reads CometChat's documentation, pulls the relevant implementation bundle, and writes the integration code into your project.

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Tools

Name	Purpose
search_cometchat_docs	Search across SDK guides, UI Kit references, REST API documentation, and OpenAPI specs. Returns ranked snippets with titles + direct links. Optional version filter.
fetch_cometchat_doc_page	Fetch the full content of any documentation page as markdown by URL or relative path.
get_cometchat_implementation_bundle	Return a curated implementation bundle for a named scenario — prerequisites, install commands, configuration, working code.

All three carry readOnlyHint: true and a title annotation. Names are ≤ 64 characters. Descriptions describe contracts only — no behavioral instructions to the agent, no cross-tool routing, no marketing language.

Resources

URI	Purpose
cometchat://skills/overview	Agent orientation skill — Product summary, decision guidance, workflow, common gotchas, verification checklist
cometchat://bundles/react-uikit-quickstart	React UI Kit install + init + login + chat surface
cometchat://bundles/react-native-uikit-quickstart	React Native UI Kit with navigation and chat screen
cometchat://bundles/flutter-uikit-quickstart	Flutter UI Kit install + init + basic chat
cometchat://bundles/ios-uikit-quickstart	iOS UI Kit (SwiftUI) install + chat view
cometchat://bundles/android-uikit-quickstart	Android UI Kit (Jetpack Compose) install + chat screen
cometchat://bundles/js-sdk-messaging-basics	Vanilla JS SDK — send/receive text and media messages
cometchat://bundles/widget-embed	No-code widget embed for HTML, Squarespace, Webflow, Wix, WordPress, Shopify
cometchat://bundles/moderation-setup	AI moderation rules, image moderation, webhooks
cometchat://bundles/multi-tenant-chat	Multi-tenant SaaS chat — tenant isolation, server-issued Auth Tokens
cometchat://bundles/presence-and-typing	Online presence, typing indicators, read receipts

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How it works

1. You prompt your agent in natural language.
2. The agent reads the orientation skill (cometchat://skills/overview) to understand which tool/bundle fits your request.
3. For top scenarios, the agent pulls a curated implementation bundle — ready-to-run code with prerequisites, install commands, configuration, and working examples.
4. For long-tail questions, the agent searches CometChat's docs and reads specific reference pages.
5. The agent writes the code into your project, using the bundle as the source of truth and your project structure as the constraint.

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CometChat in 30 seconds

CometChat is a real-time communications platform for adding chat, voice, and video calling to web and mobile apps. Used in production across SaaS, marketplaces, gaming, healthcare, education, and creator platforms.

• Free tier: first 100 monthly active users, no credit card required.
• SDKs: JavaScript, React Native, iOS, Android, Flutter.
• UI Kits: React, React Native, iOS, Android, Flutter, Angular, Vue.
• No-code: chat widget for any HTML site.
• Sign up: app.cometchat.com — you'll need an App ID, Auth Key, and Region to build with the code the agent writes.

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Server identity

Field	Value
Display name	CometChat Docs
Version	0.1.5
Protocol	MCP 2025-06-18
Transport	Streamable HTTP (with SSE)
Authentication	None (public docs only)
Capabilities	tools, resources
Health endpoint	GET https://mcp.cometchat.com/health

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Architecture

Your agent (Claude / Cursor / Windsurf / …)
        ↓ MCP over Streamable HTTP
        ↓
  mcp.cometchat.com/mcp  (this server)
        ↓
  ├── search_cometchat_docs     → SQLite FTS5 index of cometchat/docs
  ├── fetch_cometchat_doc_page  → cometchat.com/docs/*.md (first-party)
  └── get_cometchat_implementation_bundle → bundled markdown recipes

• Stateless server, single universal endpoint, no user-specific state.
• Search index rebuilds from github.com/cometchat/docs on every push to that repo's main branch.
• Implementation bundles carry a last_verified date and are re-checked against live SDK versions quarterly.

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Local development

# Clone the docs repo (used to build the search index)
git clone --depth 1 https://github.com/cometchat/docs.git ../cometchat-docs-repo

# Install + build the FTS index + run the server
npm install
DOCS_REPO=../cometchat-docs-repo npm run build:index
npm run dev

# Run the test suite (36 tests across validation, truncation, bundles, tools, resources, fetch)
npm test

The server listens on http://0.0.0.0:3000 by default. Health probe at GET /health, MCP endpoint at POST /mcp.

Inspect with the MCP Inspector

npx @modelcontextprotocol/inspector
# add server: http://localhost:3000/mcp

You should see all 3 tools with readOnlyHint: true and all 11 resources.

Repo layout

docs-mcp/
├── src/
│   ├── server.ts                  # MCP server entry, transport, tool dispatch
│   ├── tools/{search,fetch,bundle}.ts
│   ├── search/sqlite.ts           # SQLite FTS5 client
│   ├── bundles/loader.ts          # markdown bundle store
│   ├── resources/registry.ts      # skill + bundle resources
│   └── lib/{errors,truncate,validation,logger}.ts
├── scripts/build-index.ts         # builds SQLite FTS5 index from cometchat/docs
├── bundles/                       # 10 curated implementation bundles
├── skills/overview.md             # agent orientation skill
├── tests/                         # vitest suite
├── .claude-plugin/
│   ├── plugin.json                # Claude Code plugin manifest
│   └── marketplace.json           # Claude Code marketplace manifest
├── .codex-plugin/plugin.json      # Codex plugin manifest
├── .cursor-plugin/plugin.json     # Cursor Marketplace manifest
├── .mcp.json                      # MCP config (Claude Code auto-discovery)
├── mcp.json                       # Open Plugins standard manifest
└── assets/logo.svg                # CometChat logo

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Configuration

Env var	Default	Notes
PORT	3000	HTTP port
HOST	0.0.0.0	Bind host
DOCS_BASE_URL	https://www.cometchat.com/docs	Used for URLs in responses + the .md fetch fallback
INDEX_PATH	./data/index.sqlite	SQLite FTS5 index location. Server still boots if missing; search returns backend_unavailable and /health is 503.
BUNDLES_DIR	./bundles	Markdown bundles directory
SKILLS_DIR	./skills	Orientation skill (overview.md) directory
FETCH_TIMEOUT_MS	5000	Per-fetch HTTP timeout
LOG_LEVEL	info	debug / info / warn / error
NODE_ENV	development	production makes bundle loading strict — a malformed bundle aborts boot instead of being skipped
ALLOWED_HOSTS	<HOST>:<PORT>,localhost:<PORT>,127.0.0.1:<PORT>	Comma-separated Host header allowlist for DNS-rebinding protection
ALLOWED_ORIGINS	unset	Comma-separated CORS origin allowlist
DNS_REBINDING_PROTECTION	true	Set false only if an upstream already validates Host
RATE_LIMIT_ENABLED	true	Set false to disable per-IP rate limiting on /mcp
RATE_LIMIT_MAX	120	Max requests per window per IP
RATE_LIMIT_WINDOW_MS	60000	Rate-limit window in ms

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Deployment

See DEPLOY.md for container build, environment, and platform notes.

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Marketplaces

The same server URL is listed across multiple agent marketplaces:

Marketplace	Listing
Smithery	smithery.ai/servers/cometchat/docs-mcp
Glama	glama.ai/mcp/servers/cometchat/docs-mcp
Cursor Marketplace	cursor.com/marketplace
Cursor Directory	cursor.directory
Anthropic Connector Directory	claude.com/connectors
Codex Marketplace	codex-marketplace.com

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Support

• Issues / feedback: open an issue in this repo.
• CometChat support: support@cometchat.com.
• Live MCP status: curl https://mcp.cometchat.com/health returns {"status":"ok"} when healthy.

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Contributing

PRs welcome — especially:

• New implementation bundles for under-served scenarios (drop a markdown file in bundles/ with the required frontmatter).
• Bundle refreshes when SDK versions change (last_verified date in the bundle's frontmatter triggers a CI warning if older than 6 months).
• Tool improvements behind the existing read-only contract.

Out of scope today:

• Tools that write to a customer's CometChat app (separate authenticated connector, on the roadmap).
• Mixed read/write tools (Anthropic auto-rejection rule).

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Privacy

The CometChat MCP server is read-only and requires no account, API key, or authentication. It serves only CometChat's public documentation and does not request, store, or transmit your code, prompts, or personal data. Standard request metadata (such as IP address) may be processed transiently for rate limiting and abuse prevention.

For full details, see CometChat's privacy policy: cometchat.com/legal-privacy-policy.

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License

Apache-2.0. See LICENSE.