MCP servers for Claude Code

Markdown-first MCP server for Notion API with 8 composite tools and 39 actions.

Compose BrandBrain asset flows, run mock/live generation, and fetch outputs

MCP server for broadcasting signed raw transactions to multiple blockchains via Crypto APIs

Real Linux and Windows desktop VMs for AI agents: exec, files, computer-use and snapshots via MCP.

Certificate transparency lookups from Cert Spotter. No key required.

Search EPO Open Patent Services: published-data search and family.

Build, run and live-test FiveM servers with AI agents: RCON, DevCon, window control, mcpb bridge.

Random music genres from Genrenator. No key required.

IP geolocation from GeoJS. No key required.

Graphlit MCP Server

Manage multiple Gmail accounts in Claude Desktop — search, send, reply, draft, and organize.

Keyless MCP server for Hex: Elixir and Erlang package versions, docs, downloads, releases.

Test-harness CLI that audits any MCP server for Claude Code v2.1.118 mcp_tool lifecycle-hook readiness (idempotency, latency, determinism

Crypto prices from Independent Reserve. No key required.

Single MCP hub: discover, add, audit, and govern MCP servers across every AI client.

MCP server for authoring Maltego graph files and running primitive OSINT lookups.

The grounded data layer for any LLM: governed SQL, metrics, lineage and catalog over your data.

Search the MDN web docs for HTML, CSS, and JavaScript. No key required.

FCC Census Block API: find census block, state, county and tract for coordinates.

MCP server for n8n workflow management -- view, create, sync and manage workflows via AI.

Render HTML or templates to a hosted PNG or PDF, in one response. Free previews need no API key.