The MCP Ecosystem Graph

Which AI assistants can reach which software? Search MCP servers and the open-source tools, packages, and data resources they wrap — aggregated across registries, deduplicated, and joined to the research graph.

Popular endpoints

Data resources and services the most MCP servers wrap.

PostgreSQL

PostgreSQL Global Development Group

databaseWrapped by 50+ servers

GitHub REST API

GitHub

dev-toolingWrapped by 5 servers

Stripe API

Stripe

paymentsWrapped by 50+ servers

NCBI E-utilities

NIH NCBI

scholarly-metadataWrapped by 50+ servers

Census Bureau APIs

U.S. Census Bureau

government-data

Top-reach servers

MCP servers listed in the most registries.

LinkedIn MCP Server

https://github.com/la-rebelion/hapimcp

6/7 registries

Lifestyle Medicine Knowledge

https://github.com/rabyavalla/bonsai-api

6/7 registries

io.github.kota1026/smartguard-mcp

https://github.com/kota1026/quantum-shield

6/7 registries

io.github.0xka13b/ms-sharepoint-mcp

https://github.com/0xka13b/microsoft-mcps

6/7 registries

io.github.Lykhoyda/ask-ollama

https://github.com/Lykhoyda/ask-llm

6/7 registries

🍋 LemonCake — Billing & budgets for AI agents

https://github.com/evidai/agent-payment-mcp

6/7 registries

NoonAI DIS Image/Video Anonymization MCP

https://github.com/MHNCity/noonai-dis-mcp-server

6/7 registries

Gate MCP

https://github.com/gate/gate-mcp

5/7 registries

Know a registry or source we’re missing?

Paste a URL to an MCP registry, directory, or list of servers. We review suggestions and add accepted sources to the crawl.