MCP Server Directory

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

Crimson Crawler com.crimsoncrawler/mcp-server

Enrich, search, assess, and manage threat intelligence through 80+ typed MCP tools.

Open-source AI context firewall for governed model, retrieval, memory, and tool access.

AskLoop app.askloop/askloop

Create and run surveys by chatting. Respondents just open a link — no AI, no account.

Local-first bridge: export your own Mi Fitness (Xiaomi) health data to SQLite/JSON/CSV and MCP.

micropay-test-suite app.netlify.micropay-test-suite/micropay-test-suite

Verify your agent's x402 payment flow for free on Base Sepolia testnet before real money moves.

Play 27-0 free in your browser. Spin all-time NRL clubs and eras, draft 13 rugby league legends

EngScript Engineering MCP com.engscript/mcp

Engineering calculation MCP server for oil and gas engineering applications.

GrantOps AI com.checkmycontractorquote/grantops-ai

Grant readiness and application checklist generator for schools/PTAs/nonprofits.

second-brain-bridge io.github.IsaiahDupree/second-brain-bridge

Search and reason over your Obsidian-style Markdown vault, right from ChatGPT.

CNAPS.ai MCP Server ai.cnaps/studio

Run 70+ AI models and 50+ tools on CNAPS Studio in natural language — Claude, n8n, or Zapier.

CoinPaprika com.coinpaprika/coinpaprika

Real-time crypto market data: prices, tickers, exchanges, OHLCV candles, and metadata.

Google Search Console for AI agents: search analytics, sitemaps, URL inspection.

Red by Big Red Cloud io.github.BigRedCloud/red-mcp-server

Secure MCP access to Big Red Cloud accounting data, workflows, help and training.

Mercantry Registry org.mercantry/registry

Agent-native registry: 168k+ real restaurants in LA, Hong Kong & Tokyo. Unranked, honest signals.

graded-x402 sh.graded/graded-x402

Discover and call 2,000+ x402 machine-payable services through one graded API key + gateway.

Query pre-computed SQL engine benchmarks. Runs standalone, no server setup required.

Sourcey com.sourcey/sourcey

Find startup credits and deals; check eligibility and read Agent Readiness reports with evidence.

AIURION Agentic 3D Printing — San Francisco com.aiurion/agentic-3d-printing

SF 3D printing + design workbenches (enclosures, grippers, fixtures, stamping). Quote and order.

Betterlytics io.betterlytics/mcp

Query your Betterlytics web analytics from AI agents: traffic, funnels, journeys, errors, uptime.

Semantic map of a .NET test-automation solution for AI agents — search, impact, endpoints

Uptimeify io.uptimeify/mcp-server

Free anonymous website, DNS, email and TLS checks, plus monitor read and opt-in write access.

RankWorker com.rankworker/mcp

Create and manage SEO content plans, articles, projects, and publishing integrations in RankWorker.

EchoLedger io.github.icmoore/echoledger-mcp

Live LP analytics — Uniswap V2/V3, Balancer, Curve stableswap: PnL, health, slippage, depeg risk.