MCP Observatory
servers

Servers

Browse enriched MCP servers by capability — filter on inferred permissions (all-of), transport, verified status, and tool count. Only servers with a captured capability surface appear here.

4 servers
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npm agentmail-mcp
tanishq-atm

AgentMail MCP Server

http C 11t
npm pubmed-mcp-server
cyanheads

MCP server for the NCBI E-utilities API. Search PubMed, fetch article metadata and full text, generate citations, explore MeSH terms, and discover related research.

http ungraded 9t
npm @claude-flow/mcp
ruvnet

Standalone MCP (Model Context Protocol) server - stdio/http/websocket transports, connection pooling, tool registry

http B 0t
npm @mcpjam/sdk
mcpjam-founders

MCP server unit testing, end to end (e2e) testing, and server evals

http B 0t