MCP Server Directory

Riddle com.riddle/creator

Build, publish and analyze quizzes, polls, forms and personality tests. Riddle account required.

Inspect, audit and safely edit i18n locale JSON files from AI agents.

GridHub Electricity Market Data io.github.jalcodev/gridhub

Live and historical electricity prices and demand for 25 grids; carbon intensity for GB.

GS1 element strings, DataMatrix, eight keys, ITF-14 print specs and price-embedded in-store codes.

Sato Hub: Build Onchain & Crypto Agents ai.satohub/onchain-agents

Build any crypto agent: stack picks, x402 and ERC-8004 lookups, wallet-key checks, unsigned swaps.

Microsoft Windows Security Updates (MSRC CVRF) — buy per-query in-session (msrcwatch) com.a2awire/data-windows-security-update-microsoft-cvrf

MSRC Windows updates: CVE rollups, Patch Tuesday. Register in-session — free testnet funds.

HVAC Builder app.hvacbuilder/hvac-builder

Design, solve and simulate HVAC systems from real components, weather years and buildings.

Strix ai.strix/strix

AI pentesting: run scans, triage vulnerabilities, review PRs, manage schedules and assets.

Space Weather (Kp Index, Solar Flares) — buy per-query in-session (spaceweather) com.a2awire/data-space-weather-kp-index-solar-flare

Space weather: Kp index, solar flare flux, alerts. $0.01/query, free testnet funds.

AIS Gateway — the campus front desk for AIS MCP buildings ai.aislabs/gateway

Front desk for the AIS MCP campus: lists our buildings (CVE, Flight Recorder), prices, how to pay

Look up on-chain Attribution reputation scores for wallets and AI agents on Base.

Scans live pages with the AudioEye rules engine and maps accessibility issues to JSX source.

MCP server for Python, JavaScript, and TypeScript code analysis with Ruff, ty, Vulture, and Biome

Lazyweb com.lazyweb/lazyweb

Real product evidence: 281k+ real app screens and flows, 20k+ mobile A/B tests, growth reports.

Local code graph for TypeScript, Python and Swift: who calls this, what breaks if I change it.

inventory com.oceanbuilders/inventory

Search Ocean Builders' floating-home inventory, get unit specs and pricing, register buyer interest.

TestGraph io.github.BBCBasic/testgraph

Shared semantic graph for AI reviews, classification and structured memory across AI assistants.

Evidence-oriented code questions, diff review and test selection via a Jev endpoint.

Construct, inspect, visualize, and simulate evidence-backed ODE models with BioMASS

MCP server that lets image-only models look at video: timecoded frames, measurable properties.

Recallroll dev.workers.cybermax-tools.cybermax/recallroll-api

VIN recall API + MCP: VIN decode + every NHTSA recall, Do Not Drive first. $19/mo; 50 free/day.

mythex ai.mythex/mythex

Build and publish web apps from your AI client: live preview, Postgres, storage, public URL.

TheQRCode.io io.theqrcode/qr-code-generator

Free styled QR codes, no key: URL, WiFi, contact, text, email. API key adds saved codes + analytics.

Pin visual feedback on any live web page and send it to Claude Code, Cursor or your AI agent.