MCP Server Directory

Proof Holdings holdings.proof/mcp-server

One API, all things verified — control, delegation, human approval, anti-impersonation.

Wrap any MCP server with enforced, bounded, revocable permissions — grant, narrow, check, revoke.

Animica chain data, free keyless AI inference, quantum randomness, x402 discovery, mining stats.

See a color or image as a colorblind person does; recolor images and make Ishihara plates.

Federal Register com.1102tools/federal-register-mcp

Federal Register proposed and final rules, notices, executive orders, and FAR cases. 8 tools.

steve-guard com.stevesignals.api/steve-guard

Solana + Robinhood-Chain token safety & net-USD accumulation intel for trading agents.

SEFAZ RO DEC: Caixa Postal io.github.mcp-dir/sefaz_ro_dec_caixa_postal-mcp

SEFAZ RO DEC: Caixa Postal, official-source lookup. Platform-hosted, pay per query with prepaid cred

Execute claim-denial-appeal-mcp io.github.Evozim/claim-denial-appeal-mcp

Premium agentic endpoint for claim-denial-appeal-mcp.

Agentic Commerce Tools io.github.f-tiger/agentic-commerce-tools

7 free tools: MCP health scans, AI-readiness scores, llms.txt generator, glossary, indexes.

s&box watch watch.sbox/sbox-watch

Live read-only discovery for public s&box packages, servers, and player activity.

Prefeitura MS Naviraí: Certidão Negativa de Débitos io.github.mcp-dir/pref_ms_navirai_cnd-mcp

Prefeitura MS Naviraí: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay p

Citation Check io.github.SecondStageTurbine/citation-check

Does a cited URL exist, and does the source name what your claim names? Two answers.

Prefeitura SP São Paulo: Certidão Tributária de IPTU io.github.mcp-dir/pref_sp_sao_paulo_iptu-mcp

Prefeitura SP São Paulo: Certificate Tributária de IPTU, official-source lookup. Platform-hosted, pa

Prefeitura SP São Paulo: Segunda via Simplificada de IPTU io.github.mcp-dir/pref_sp_sao_paulo_iptu2via-mcp

Prefeitura SP São Paulo: Segunda via Simplificada de IPTU, official-source lookup. Platform-hosted,

HasData TikTok com.hasdata/tiktok

Public TikTok profiles, videos, comments and keyword search as JSON. No developer account.

Prefeitura SP São Paulo: Multas (Antiga) io.github.mcp-dir/pref_sp_sao_paulo_multas-mcp

Prefeitura SP São Paulo: Multas (Antiga), official-source lookup. Platform-hosted, pay per query wit

Execute clause-risk-score-evaluator-mcp io.github.Evozim/clause-risk-score-evaluator-mcp

Premium agentic endpoint for clause-risk-score-evaluator-mcp.

MinuteMail io.github.minutemailco/mcp-server

Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools

MCP server for Paperless-ngx 3.x — full REST API coverage, schema-aware, token-frugal.

CARF: Processo io.github.mcp-dir/carf_processo-mcp

CARF: Court Case, official-source lookup. Platform-hosted, pay per query with prepaid credit.

SEFAZ MS: NFC-e io.github.mcp-dir/sefaz_ms_nfce-mcp

SEFAZ MS: NFC-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Misfit Machine Store io.github.MisfitMEdiAhouse/misfit-machine-store

UCP-compatible machine catalog for paid Misfit agent APIs and MCP services.

Prefeitura SC Blumenau: Certidão Negativa de Débitos io.github.mcp-dir/pref_sc_blumenau_cnd-mcp

Prefeitura SC Blumenau: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay

Deterministic payment policy guardrail for AI agents - budgets, allowlists, signed mandates.