MCP Server Directory

OpenQR uk.openqr/qr

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

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 …

Generate OpenAPI 3.1 specs, endpoint docs, TypeScript SDKs, and test suites from code

Mida so.mida/ab-testing

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

World's fastest domain check. Or the second — dispute it. 50+ TLDs, 6 registrars, no API key.

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

TravelMind MCP online.trvaelmind/travelmind-mcp

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

Whalesync com.whalesync/whalesync

Build and manage Whalesync syncs: connect apps, map tables and fields, monitor and fix issues.

AI-friendly, safety-first TestLink MCP server

TextToQuant Backtesting and Quant Research com.texttoquant/texttoquant

Backtest plain-English trading strategies on real market data: graded results, honesty flags.

Test whether AI agents retain critical instructions as conversations grow.

safe4 ai.safe4/safe4

Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.

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

constitution-lint dev.agentopskit/constitution-lint

Static linter for CLAUDE.md-style agent constitution files: 10 operational-guardrail checks.

MCP server for GroupDocs.Parser — extract text, images, metadata, tables, barcodes via AI.

AgentSEO dev.agentseo.www/agentseo-mcp

Live SEO workflow tools for Claude Code, Codex, and AI agents.

githunt-mcp io.github.githunt-agent/githunt-mcp

Search, rank, and analyze GitHub developers for tech recruiting via GitHunt's API.

AI visibility checker: does AI recommend your brand? GEO/AEO, runs locally, BYO keys. CLI + MCP.

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

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

R3 org.r3js/r3

Build 3D web apps: physics, audio, music, Blender import. Live edits, undo, versions, publishing.

version-truth ai.kaiv/version-truth

Latest versions, LTS windows, and EOL dates for 300+ products. Fresh ground truth for stale models.

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

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

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