MCP Server Directory

Punycode host check io.github.sadri-dridi/punycode-ok

Punycode host check

ScriptHaul com.scripthaul/transcripts

Free YouTube transcripts, no API key: videos, channel lists, latest uploads, bulk download links.

Open Agent Marketplace Lab site.chatgpt.werkruimte-v-0931.open-agent-marketplace-lab/marketplace-discovery

USDC/x402 agent marketplace. Verified Base mainnet pilot, testnet and public enrollment.

Zensei Index io.github.wegravel/zensei-mcp

Today's Zensei Index: a 0-100 US market risk score, its ten indicators and the latest summary.

Deployment-readiness checks for document-QA and extraction AI: grounding, extraction, CI gate.

Check, translate and fix app localization files — ARB, iOS strings, Android XML, i18next JSON.

Reads the licence field in the open manifest and names every deprecated SPDX id, invalid string, PEP

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

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

Clink Forge com.clinkforge/clink-forge

Pay-per-call government data over x402: provenance chains, Ed25519 attestations, no API keys.

Tessryx io.tessryx/tessryx

Your agent builds websites, APIs, automations and admin tools; Tessryx hosts them on your domain.

FDA Recall Alerts — Food & Product Safety (fdarecall) com.a2awire/data-fda-recall-alert-food-product-safety

FDA recalls: food, drugs, devices; safety alerts. Register in-session — free testnet funds.

MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors dev.workers.pathwren.www/mcp-endpoint-lint

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Context intelligence for AI coding agents: navigation, impact, memory, guarded edits.

SparkVibeAI Spec Committee com.sparkvibeai/spec-committee

Commission a multi-model AI spec committee from your agent; get rubric-scored, build-ready specs.

Native runtime debugging via DAP-to-MCP for crashes, hangs, dumps, symbols, and forensics.

MCP server for SalesBuildr — quoting and sales workflows for MSPs.

Python Package Runtime Test io.github.ligafew/python-package-runtime-test

Hosted Python sandbox for package runtime verification: pip install and usable-import evidence.

text-slugifier io.github.ryuamarines/text-slugifier

Converts text titles into URL-safe slugs and flags duplicates. x402 payment required (testnet USDC).

robots-txt-checker io.github.ryuamarines/robots-txt-checker

Checks if a URL path is allowed by robots.txt. x402 payment required (testnet USDC).

Strix ai.strix/strix

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

Bisque Presentations cloud.bisque/presentations

Create narrated presentations from HTML, poll build status, list them, read one back as text.

Prediction Market News — buy per-query in-session (pmnews) com.a2awire/data-prediction-market-news

Prediction-market news, $0.01/query. Register and buy inside this MCP session — free testnet funds.

x402 HTTP 402 + MCP paywall: charge USDC per agent call. Self-host via npx or Docker.

HVAC Builder app.hvacbuilder/hvac-builder

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