1
Self-hosted gateway and registry that federates MCP servers, REST/gRPC APIs and A2A agents
★ 4.6k · +31 this week · Apache-2.0 · updated 2026-10-02
8.0/10
What it does ContextForge is IBM's open-source gateway and registry for MCP. You don't point every coding agent at a dozen separate MCP servers. Instead, you register those servers, plus REST or gRPC APIs and A2A agents, with the gateway once. Then you publish "virtual servers" that bundle only the tools a team or project should see. Clients connect to… Read more →
Pros
- One endpoint with auth, rate limits and tracing across many MCP servers
- Wraps REST and gRPC services as MCP tools
- Maintained by IBM with extensive docs and deployment guides
Cons
- Heavy setup for individuals; aimed at teams and platform operators
- Container image lacks production arm64 support
Pricing: Open source · mcp-gateway registry proxy auth observability
2
Hundreds of app integrations for agents through one MCP endpoint, with managed auth
★ 30k · +80 this week · MIT · updated 2026-10-02
7.9/10
What it does Composio is an integration platform that gives agents ready-made, authenticated tools for more than 1,000 apps, including GitHub, Slack, Gmail, Linear, Notion and Google Workspace. Composio handles OAuth, API keys and token refresh for you. Developers use the MIT-licensed TypeScript and Python SDKs to create per-user sessions in their own apps. Individuals can connect a coding agent… Read more →
Pros
- Huge integration catalogue
- Managed auth
Cons
- Another platform dependency
Pricing: Free plan, paid from $29/mo · integrations platform
3
Connect agents to 9,000+ apps and actions through Zapier
★ 423 · +6 this week · MIT · updated 2026-07-29
7.6/10
What it does Zapier MCP connects AI clients to Zapier's catalogue of more than 9,000 apps, so an agent can take real actions such as posting to Slack, adding a row to Google Sheets, creating a HubSpot contact or starting a workflow. You describe what you want in plain English, and there is no integration code to write. Zapier hosts… Read more →
Pros
- Thousands of apps
- No code needed
Pricing: Freemium · integrations automation
🔥 Deal: Save 33% with annual billing vs monthly
4
TypeScript framework for building MCP servers, ChatGPT Apps and Claude connectors
★ 11k · +38 this week · MIT · updated 2026-10-02
6.8/10
What it does mcp-use is a fullstack TypeScript framework for building Model Context Protocol servers and the interactive "apps" that go with them — the kind of tool-plus-UI experiences ChatGPT Apps and Claude connectors expect. Rather than hand-rolling a bare MCP server, you scaffold a project that wires tools, typed schemas and UI views together in one codebase. Tools it… Read more →
Pros
- Typed schemas plus native React Views make it easy to ship interactive tool UIs, not just text tools
- Built-in Inspector and screenshot verification speed up local debugging
- Actively maintained with a sizeable community (10.7k stars, 1,626 commits)
Cons
- Framework-shaped tool aimed at building new servers, not a drop-in server for an existing use case
- Deeper deployment story (Manufact) is tied to the maintainer's own hosting platform
Pricing: Open source · mcp-framework typescript mcp-server chatgpt-apps oauth