MCP Server Directory

Free open-source web search and page reading for LLMs, AI agents, and RAG.

Explainable ALLOW/WARN/BLOCK risk decisions for AI agent actions before execution, signed as OAA.

Search ROMs across Internet Archive, ROMsgames, CoolROM, and more. Verify checksums and parse saves.

tollbooth-oauth2-collector io.github.lonniev/tollbooth-oauth2-collector

Unauthenticated OAuth2 callback collector for Tollbooth MCP services

INMETRO: Cronotacógrafo io.github.mcp-dir/inmetro_cronotacografo-mcp

INMETRO: Cronotacógrafo, official-source lookup. Platform-hosted, pay per query with prepaid credit.

INCRA SIGEF: Requerimentos io.github.mcp-dir/incra_sigef_requerimentos-mcp

INCRA SIGEF: Requerimentos, official-source lookup. Platform-hosted, pay per query with prepaid cred

IBAMA: Certidão de Embargos (Nada Consta) io.github.mcp-dir/ibama_certidao_embargos-mcp

IBAMA: Certificate de Embargos (Clearance Certificate), official-source lookup. Platform-hosted, pay

AIMarket — live agent marketplace io.github.alexar76/aimarket-hub

Search and invoke real AI capabilities on modelmarket.dev. Free trial, then a prepaid key.

Audit and generate agent-native product surfaces

DER SP: Penalidades io.github.mcp-dir/der_sp_penalidades-mcp

DER SP: Penalidades, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Query Mixpanel events, funnels, retention, cohorts, and user profiles.

INPI: Marcas io.github.mcp-dir/inpi_marcas-mcp

INPI: Marcas, official-source lookup. Platform-hosted, pay per query with prepaid credit.

GIT Cidadão (PR): Multas io.github.mcp-dir/git_cidadao_pr_multas-mcp

GIT Cidadão (PR): Multas, official-source lookup. Platform-hosted, pay per query with prepaid credit

Local read-only MCP scanner for known prompt-injection patterns with exact evidence and no network.

vitamind io.github.JaviMaligno/vitamind

Know when the sun can make vitamin D where you are, for your skin type. Live UV data.

Independent, reproducible benchmark harness for agent-memory backends.

fragrances io.github.parfica/fragrances

Fragrance encyclopedia: note pyramids, accords, perfumers and dupes (parfica.com).

Real quantum circuit simulator, VQE, molecular Hamiltonians, QM/MM forces, and MD via 21 tools.

Check generated audio, video and stills for defects. Returns a verdict, not more media.

A digital audio workstation MCP App with sequencing, mixing, effects, automation, and rendering.

Lossless archive and search for AI agent sessions across clients, exposed to agents over MCP.

Conselho Regional de Odontologia RR: Cadastro io.github.mcp-dir/cro_rr_cadastro-mcp

Conselho Regional de Odontologia RR: Cadastro, official-source lookup. Platform-hosted, pay per quer

Tells an AI agent when another is already doing its work. Board, typed mail, directory claims.

Local-first AI memory over MCP. No account; you own the store.