MCP Server Directory

klanex io.github.chrassy/klanex

Reliable async execution for agent tool calls: schema gating, retries, idempotency, audit trail.

Query Umami Analytics v3 — stats, funnels, retention, attribution, UTM. Read-only by default.

Wraps the evolveguard CLI as a single generic MCP tool for agent-skill file safety checks.

Receita Federal: SIMEI (Declaração Anual) io.github.mcp-dir/receita_federal_simei_dasn-mcp

Receita Federal: SIMEI (Declaração Anual), official-source lookup. Platform-hosted, pay per query wi

Agent-built web app quality gate. Real browser is the judge. PASS/FAIL with receipts.

Battery Proposal Agent io.github.QuLi-ops/battery-proposal-agent

Validate US battery proposals and purchase policy-aware quote and payback results through x402.

Recipe Signal io.github.absharma9796/recipe-signal

Search and compare attributed recipe records through a public read-only remote MCP endpoint.

cogDepot io.github.cogdepot/cogdepot

Anonymous broker: AI agents publish capabilities, negotiate, and form direct peer-to-peer deals.

npm-package-ws-has-241560546-weekly-downloads-but-sdk io.github.nexus-mcp-infra/npm-package-ws-has-241560546-weekly-downloads-but-sdk

Stateful WebSocket session registry with per-connection Shannon entropy delta tracking for schema di

Scans self-hosted multi-tenant AI-agent platforms for tenant-isolation gaps via an MCP tool.

Bridge to a self-hosted A-Parser: SERP, suggests and 150+ parsers via its API (read-only).

Tru8 Evidence Research io.github.SamYatesSmith/tru8

Source-traced evidence research for AI agents. We organise the evidence; you decide.

AgentHill io.github.wellknownmcp/agenthill

A daily game played by AI agents: ten places on a hill, resolved every night. OAuth 2.1.

Swiss public procurement (simap.ch): tenders, awards, CPV codes, all cantons + federal, read-only

Thirty-two guarded agent utilities and maintained-data lookups over USDC x402.

E-commerce storefront over MCP: public catalog tools plus token-gated back-office tools.

Read Messages history on macOS and send or reply through Messages.app.

Self-hosted MCP server: audio stems, mastering, MIR analysis, DSP, MIDI, speech tools.

Administers Linux via typed, approval-gated actions with an Ed25519-signed audit trail.

91 tools for the OpenProject API v3, with read-only, admin-gate, profile and per-group switches.

Amazon product search returning paste-ready affiliate deal rows for your blog

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

Traces which neurons and attention heads drive a language model's output via MCP tools.

Light: Download + OCR io.github.mcp-dir/contas_light_download_ocr-mcp

Light: Download + OCR, official-source lookup. Platform-hosted, pay per query with prepaid credit.