MCP Server Directory

MakStat — State Statistical Office of North Macedonia, PxWeb MCP.

MalwareBazaar MCP — abuse.ch malware sample database (free, key required)

Accountability for AI agent fleets: verify a signed, hash-chained ledger, check budgets, kill an agent, and issue passports and mandates, all through the local CLI.

Mapillary MCP — wraps the Mapillary Graph API (graph.mapillary.com)

MCP server for India maps - place search, nearby discovery, & directions powered by the Mappls API.

Marginalia MCP — independent web search over a non-commercial, non-SEO index.

Marine MCP — wraps marine-api.open-meteo.com (free, no auth)

Schedule, publish and measure posts on Facebook, Instagram, TikTok, LinkedIn, Threads, Pinterest and X for one brand or many, with analytics and Evergreen queues. Hosted server with OAuth sign-in, or the `@markaestro/mcp` npm package.

Convert Markdown to WhatsApp formatting so agent output shows bold, lists and quotes instead of raw asterisks, with tables rendered as monospace boxes.

Unofficial stdio MCP server for Market Fiyatı product search, depot prices and basket comparison in Türkiye

Market Recap MCP — a one-call 'what happened in markets' snapshot.

market-spread MCP — cross-venue prediction-market landscape scanner.

68k+ security-audited MCP skills + free agent trust layer: signed ATC cards, tool gating, audits.

Market Data App MCP — wraps the Market Data App API (marketdata.app)

Run a Shopstr or Nostr marketplace storefront: create and update stalls and products in both NIP-15 and Shopstr's NIP-99-based listing formats.

Maryland Code — state statutes by citation.

Massachusetts General Laws — state statutes by citation.

Mastodon MCP — public Mastodon data via mastodon.social (no auth required)

MCP server for MatchCV — ATS resume checking, job description analysis, and AI resume tailoring inside Claude, Cursor, and other MCP clients.

Materials MCP — computed (DFT) materials structures & thermodynamic properties.

Math.js MCP — wraps the mathjs.org API (free, no auth)

Maven Central MCP — Java/JVM artifact registry

MCP server for local email archives — search and read Google Takeout .mbox exports and .eml files entirely on your machine. No OAuth, no IMAP, no cloud.

MBTA MCP — Boston real-time transit via the MBTA v3 API (api-v3.mbta.com)

MCP server that manages your other MCP servers — wrap, restart, add, remove, and health check from within Claude Code.

Graded MCP registry: live-probes remote servers from the MCP Registry (initialization, tool listing, schema quality, latency, provenance) and publishes grades.

Maryland DMV MCP — monthly registered-vehicle counts and electric/plug-in hybrid

Model Context Protocol server for Markdown Tidy (mdtidy.com) — tidy, convert, save, and share Markdown from any AI agent.

MCP server for MediaEngine — AI image, audio, and video generation for Claude, Cursor, and other MCP clients

What does Medicare PAY — physician fee schedule, lab rates, and per-day unit

MedlinePlus MCP — NIH consumer health info

Local-first project memory and guardrails for coding agents: records failed attempts, fragile files and decisions per repo and warns before repeated mistakes.

Interactive flashcards, quizzes, and cloze cards with spaced repetition for Claude Desktop, as an MCP App (inline UI).

Persistent memory for AI coding tools. 11 tools for any MCP-compatible AI tool.

Seeds, governs and navigates a memory_bank knowledge base: gated writes, routing without reading, drift against the code

mempool.space MCP — Bitcoin block explorer + mempool/fee stats

Read-only, provenance-first repository navigation and progressive disclosure for agents — a locator with pre-registered evidence behind its defaults (BM25-primary per doi:10.5281/zenodo.21969901). CLI + MCP server.

MEPS — what Americans actually take, and what for.

Unofficial, read-only Mercury banking across multiple organizations: balances, transactions, statements, cards, invoices, treasury and 1099 pre-filing checks.

mercury-number MCP — wraps StupidAPIs (keyless — no credential needed)

Renders Mermaid diagram syntax to PNG or SVG images for LLM clients

Merriam-Webster MCP — wraps the Merriam-Webster Collegiate Dictionary and

Meser 10, the Israeli email and SMS marketing platform: tools generated from its live API, permission tiers starting read-only and a per-send recipient cap.

NLM MeSH (Medical Subject Headings) MCP.

Weather forecasts from MET Norway (Yr): geocoding plus hourly forecasts worldwide.

MET Norway (api.met.no) MCP — global weather, Nordics specials.

Meta Ads MCP server: 41 read tools, 23 opt-in preview-first writes.

MCP tools for code generation from compact JSON recipes, type graphs, and OpenAPI, GraphQL, Protobuf, or SQL schemas. Generate linked types and custom code with imports across 11 languages.