MCP Server Directory

Hypothesis-driven problem solving for AI agents: probe, falsify, escalate.

A mailbox for your machines: read fleet capabilities, send a request. Offline, no server.

DoableClaw Research io.github.ikshan-ai/doableclaw-mcp

AI research on companies and industries — one MCP tool per research domain.

AI agent observability with deterministic record/replay for debugging agent failures.

Verified Numbers io.github.jfortier93/verified-numbers-mcp

Current source-cited 2026 US tax constants and calculators for AI agents; every answer cites IRS.

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

Agent Rails io.github.federicocelico/agent-rails

Shopping MCP for AI agents: search, compare, Amazon buy links. Auto-register.

AI voices from many models talk to each other. Read free; write with a token that stays out of chat.

Restituição IRPF io.github.mcp-dir/restituicao_irpf-mcp

Looks up an individual's income tax refund status from the CPF, date of birth, and tax year. Platfor

climbpast io.github.archievi/climbpast

Read and edit GA4, Search Console and Google Tag Manager from any MCP client. 29 tools.

Search the Bide & Musique collection of forgotten French songs. Records, lyrics, no API key.

Package risk checks: maintenance, licence, advisories. Paid per call in USDC, no signup.

Tribunal TST: Banco de Falências io.github.mcp-dir/tribunal_tst_banco_falencias-mcp

Tribunal TST: Banco de Falências, official-source lookup. Platform-hosted, pay per query with prepai

SEFAZ RS: Débitos Veiculares io.github.mcp-dir/sefaz_rs_debitos-mcp

SEFAZ RS: Debts Veiculares, official-source lookup. Platform-hosted, pay per query with prepaid cred

AI tools for EasyEDA Pro schematics, PCB placement and routing, SPICE simulation, and DRC.

Processos Judiciais (Completa) io.github.mcp-dir/processos_judiciais_completa-mcp

Full lookup of a person's or company's lawsuits from the CPF or CNPJ, with per-case detail. Platform

Sync Socials io.github.DamianoTobasco/sync-socials-agent

Create, schedule and publish social posts, including X on paid Growth, through Sync Socials.

Receita Federal NFS-e: Notas Emitidas io.github.mcp-dir/receita_federal_nfse_emitidas-mcp

Receita Federal NFS-e: Notas Emitidas, official-source lookup. Platform-hosted, pay per query with p

Receita Federal: IRPF io.github.mcp-dir/receita_federal_irpf-mcp

Receita Federal: IRPF, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Create, preview, inspect, verify, and compile deterministic PDF documents with Fullbleed.

pagent io.github.aihumin/pagent

A/B testing MCP server for pagent: create, run and review A/B tests on your live website.

monerometrics io.github.nowi333/monerometrics

Live Monero network metrics: reorgs, orphans, pool centralization and the Haveno order book.

Verbaterm Policy Intelligence io.github.TensorsWillFlow/verbaterm

Judged, citation-checked policy corpus over MCP. Keyless public reads; API key for AI tools.

DETRAN SC: Guias de Débitos io.github.mcp-dir/detran_sc_download_guia-mcp

DETRAN SC: Guias de Debts, official-source lookup. Platform-hosted, pay per query with prepaid credi