MCP Platforms & Gateways for Onlook
Hosted platforms that give an agent hundreds of integrations through one MCP endpoint. Every listing below works with Onlook. Free GitHub projects and paid options are ranked together.
Updated October 2026 · 4 listings · stars refreshed daily from GitHub
How to add MCP platforms & gateways to Onlook
Most apps accept the same mcpServers JSON block (command + args for local servers, a URL for remote ones). Check the app's MCP settings page for where the file lives.
IBM ContextForge 🔌 MCP serverOpen source
Self-hosted gateway and registry that federates MCP servers, REST/gRPC APIs and A2A agents
Composio 🔌 MCP serverFreemium
Hundreds of app integrations for agents through one MCP endpoint, with managed auth
Zapier MCP 🔌 MCP serverFreemium
Connect agents to 9,000+ apps and actions through Zapier
🔥 Save 33% with annual billing vs monthlymcp-use 🔌 MCP serverOpen source
TypeScript framework for building MCP servers, ChatGPT Apps and Claude connectors
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