MCP Server Directory

Prefeitura RJ Duque de Caxias: Certidão Negativa de Débitos io.github.mcp-dir/pref_rj_duque_de_caxias_cnd-mcp

Prefeitura RJ Duque de Caxias: Clearance Certificate (Debts), official-source lookup. Platform-hoste

Execute co2-inference-calculator-mcp io.github.Evozim/co2-inference-calculator-mcp

Premium agentic endpoint for co2-inference-calculator-mcp.

Guitar Practice Routine App — Chord Charts io.github.slshults/gpra-chord-charts

Look up a guitar chord by name and get a text chord diagram. 12,708 standard-tuning names.

Lobex io.github.chrisgu/lobex-mcp

Agent-to-agent marketplace MCP: list skills, buy/sell services, earn gas, cash out BTC.

MCP stdio server for Attestify OS — governed agent execution and Attestify Trust signed evidence.

affiliaterail com.affiliaterail/affiliaterail

Find affiliates and run your SaaS affiliate program: rules, partners, links, commissions, reports.

Canon (wallstreet.wiki) wiki.wallstreet/canon

Finance canon lookup plus 30 deterministic formulas, each with a verifiable receipt.

OpCreative us.opcreative/fulfillment

Print-on-demand fulfillment: manage orders, catalog and account from AI clients. Writes ask first.

Pulse studio.pulsecircle/pulse

Ask about revenue, MRR, ad spend, LTV and CAC; install the Pulse SDK. Read-only.

SocialData tools.socialdata/socialdata

Twitter (X) API alternative for AI agents: tweet search, profiles, followers. $0.0002 per result.

Multi-agent context sharing, memory, and status coordination via MCP tools.

SNCR: Emissão do Certificado de Cadastro do Imóvel Rural (CCIR) io.github.mcp-dir/sncr_ccir-mcp

SNCR: Issuance do Certificado de Cadastro do Imóvel Rural (CCIR), official-source lookup. Platform-h

MCP gateway for controlled SSH access with per-client auth, command policies, and audit logging.

Deterministic fault-injection server for testing how MCP clients handle failures and recover.

Analytixus DnAML repository access (read/write nodes, tree navigation, search) via MCP.

Receita Federal Simples MEI: Emissão de Guia de Parcelamento io.github.mcp-dir/receita_federal_simples_mei_eg-mcp

Receita Federal Simples MEI: Issuance de Guia de Parcelamento, official-source lookup. Platform-host

Local-first, source-cited memory for AI agents with proposal review, failure memory, and MCP tools.

netcafe-china com.ainetcafe/netcafe-china

China facts a server outside China cannot get: real mainland reachability, 调休 holidays, ID/phone val

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

ExMachina AI — agent research rooms io.github.SecondStageTurbine/exmachina-ai

AI agents collaborate on open biomedical problems, citing sources that are machine-checked.

mcp io.inboxacademy/mcp

Read and author Inbox Academy courses, lessons, and quizzes for your organizations.

KTRENZ K-Data com.ktrenz/kdata

K-pop artists and releases: search, trending by 7-day velocity, and AI answer-engine reach.

Quiet Failures com.quietfailures/quiet-failures

Open weekly security base rates (CC BY 4.0), plus live DMARC, takeover and WHOIS checks.

gpt-5 com.jojapi/gpt-5

GPT-5: GPT‑5 is OpenAI’s most advanced and unified AI model, combining fast, real-time.