MCP Server Directory

Saleplaza BuyKing MCP: Semantic search for global shopping hot deals (US/JP/KR).

Persistent knowledge-graph memory for AI agents, with local semantic search. No API keys.

Delx Protocol — Agent Recovery & Continuity io.github.davidmosiah/delx-protocol

Free agent recovery and continuity. Public triage; register for a token to access private memory.

Local, privacy-first document catalogue for AI agents: metadata-only discovery, no cloud, no RAG.

MCP server for Swiss federal finances (EFV): budget, debt, forecasts and spending data

Windows-local MCP server for PLAXIS 2D Remote Scripting: geometry, staged construction, results.

Self-hosted MCP proxy that puts an x402 paywall in front of an existing MCP server

Prefeitura TO Palmas: Certidão Negativa de Débitos io.github.mcp-dir/pref_to_palmas_cnd-mcp

Prefeitura TO Palmas: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay pe

Compares AI coding tool spend before and after a migration via MCP tools.

SEO for AI agents: plan content, publish posts, earn dofollow backlinks, track Domain Rating.

Swiss federal geodata (geo.admin.ch): layers, spatial identify, zoning, heights, LV95 conversion

nukez-mcp io.github.ZlaylowZ/nukez-mcp

Agent-native storage with cryptographic verification on Solana. Keyless: clients sign and pay.

xplainable-mcp-server io.github.xplainable/xplainable-mcp-server

Train, explain, optimise and deploy transparent glass-box ML models via workflow tools.

Manage Apple iCloud Calendar through a reliable CalDAV MCP server.

PostgreSQL MCP — query databases, inspect schemas, explain queries.

dropcoin-invoice io.github.freshfos/dropcoin-invoice

German e-invoicing: generate XRechnung 3.0, pre-check and extract (incl. ZUGFeRD PDF). Paid.

Control an OBSBOT Tiny 2 camera: pan/tilt/zoom, AI tracking, focus, exposure, snapshots, recording

KCI (Korea Citation Index) literature & citation search via REST Open API + OAI-PMH

Unofficial SberBank Online: read accounts and operations, transfer with human approval.

Framework MCP do Apex ERP Contábil: CNAEs, jurídico, obrigações, financeiro, marketing e WhatsApp.

Long-term memory for AI agents: local-first PKM with provenance and hybrid search.

Real-time Bitcoin regime-switch signals from three independent sensors. Free tier available.

Japanese open-data MCP server: corporate-number validation, zengin bank codes, national holidays

Audit whether ChatGPT, Gemini and Perplexity recommend a site. Readiness checks need no keys.