MCP Server Directory

SEFAZ SP: Certidão Negativa de Débitos io.github.mcp-dir/sefaz_sp_certidao_debitos-mcp

SEFAZ SP: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per query with

Execute domain-authority-checker-mcp io.github.Evozim/domain-authority-checker-mcp

Premium agentic endpoint for domain-authority-checker-mcp.

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

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

MCP server for Unraid API — provides tools to interact with an Unraid server's GraphQL API.

Magdox io.magdox/magdox

Competitive intelligence and battlecards, with a source on every claim

Read-only SQL across your PostgreSQL, MySQL, S3 buckets and local data files, in one query.

Prefeitura SP São Paulo: Emissão Parcela Simples Nacional io.github.mcp-dir/pref_sp_sao_paulo_ep-mcp

Prefeitura SP São Paulo: Issuance Parcela Simples Nacional, official-source lookup. Platform-hosted,

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

Search OpenSearch indices, manage documents, check health and stats.

Receita Federal: Simples (Emissão de DAS de MEI) io.github.mcp-dir/receita_federal_simples_das-mcp

Receita Federal: Simples (Issuance de DAS de MEI), official-source lookup. Platform-hosted, pay per

BentCrypto Machine Payments io.github.ghstaking/bentcrypto-machine-payments

Paid token risk and security intelligence for AI agents over MCP with x402 payments.

MCP server giving AI agents persistent SQLite memory that proves which lessons hold.

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

mcp com.stayportland/mcp

Search Portland rentals, compare homes, save a shortlist, and get a live quote. No payments.

AXIS Avatar Foundry com.jonathanarvay/axis-avatar-foundry

3D avatar/asset foundry: text/image -> rigged, validated, engine-ready GLB via x402.

x402 Endpoint Scanner — a free local health probe for x402 paid endpoints as an MCP server.

Unplain io.unplain/unplain

Your assistant writes the ebook or report; Unplain designs it and returns a publish-ready PDF.

Protestos Nacional io.github.mcp-dir/protestos_nacional-mcp

Existence and details of protests for people and companies in registry offices across Brazil. Platfo

SecondBrain media.secondbrain/secondbrain

Notas diarias, recaps, documentos, tareas, un Atlas de entidades y artefactos de Claude/ChatGPT.

NobodyNamed io.github.michaelcolenso/nobodynamed

US baby name popularity data from SSA records (1880-2025): search, trends, geography, culture.

Routebase dev.routebase/routebase

Design, mock, test, document and monitor your APIs from one living OpenAPI spec.

Official Backblaze B2 MCP server for buckets, files, keys, Object Lock, and S3 storage.

Glide dev.glideapps/mcp

Glide's official MCP server — build, manage, and operate GlideOS apps, data, and workflows.

SEFAZ PR: Dívida Ativa io.github.mcp-dir/sefaz_pr_divida_ativa-mcp

SEFAZ PR: Dívida Ativa, official-source lookup. Platform-hosted, pay per query with prepaid credit.