MCP Server Directory

Plan, validate, and build products and features with LaunchChair.

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.

F1-grade MCP certification. 52 tests, 9 tiers (49 scored + T9 Receipt validation). Ecosystem: #2759

MCPFax Vehicle Diagnostics com.mcpscores/vehicle-fault-codes

A fault code, a VIN, or a recall — answered from public NHTSA and standards data.

Polymarket trading, market discovery, copy trading and backtesting — 48 MCP tools.

TravelMind MCP online.trvaelmind/travelmind-mcp

TravelMind: 8 MCP tools for travel (12306 trains, flights, hotels, geocode, planning, policy).

whatif xyz.pflow.sim/whatif

Conversational what-if simulation: build, diagnose and compare Petri-net models; CC0 catalog.

kr-district-codes io.github.HyosikPark/kr-district-codes

Free lookup of Korean district codes (LAWD_CD) for kr-apt-trades — paid per call (x402/credits), 1 …

OpenQR uk.openqr/qr

Generate, edit and track dynamic (editable) QR codes with scan analytics. Hosted MCP and REST API.

Mida so.mida/ab-testing

Create, run and analyze A/B tests and personalizations on your site with Mida.

UpToCode io.github.DDYRich72/uptocode

Evidence-backed architecture-quality analysis for Python agent applications.

MCP server for controlling the Xojo IDE on macOS

FabTally Decode io.github.zvmzaretsky/onchain-decode

Decode EVM bytes to JSON: event-log decoder, calldata explainer, selector lookup, ABI fetch.

Keyless local MCP server for QA: standards retrieval, effort estimation, doc review, test analysis.

quantakrypto pqc-tools io.github.quantakrypto/pqc-tools

Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.

Static analysis scanner for MCP server code and multi-tenant SaaS applications.

Audit Make.com blueprints before importing: hardcoded secrets, dangling refs, risky settings.

Pay-per-call developer utilities and npm supply-chain security tools for coding agents, over x402.

Fantasy Tabletop Helper io.github.kushaim/ftthelper-mcp

Read-only access to your tabletop campaigns: codex, sessions, and session notes.

The Front Desk Review com.frontdeskreview/front-desk-review-data

4,764 products, 626 categories: sourced prices, dated price history, independent-test coverage.

An MCP server that provides AI travel recommendations from Asian expats.

Turn a screen recording into agent-readable annotated keyframes. MCP server + CLI on ffmpeg.

MCP Surface Lint io.github.DLeibner/mcp-surface-lint

Statically audits MCP tool surfaces for token cost, schema quality, and design issues.

Wraps the ContinuityGuard CLI as a single generic MCP tool for video-clip continuity scans.