MCP Server Directory

Local-first domain security and privacy checker: live SPF, DMARC, DKIM, DNSSEC, TLS, CAA and security header checks, scored with remediation advice.

ChEMBL MCP — drug discovery database (EBI).

Chess.com MCP — wraps the Chess.com public API (free, no auth)

Chile Government Procurement MCP — Mercado Público / ChileCompra (keyless-ish).

China Air Quality MCP — nationwide hourly AQI from CNEMC (中国环境监测总站).

China Customs (GACC English) — monthly merchandise trade statistics.

China Disclosures MCP — non-SEC Chinese biotech deals and HK/STAR IPO

China Exchange Data MCP (SZSE + SSE). Keyless.

China's PBOC Loan Prime Rate (LPR) — 1-year and 5-year benchmark lending rates with reference dates. Keyless.

China Pharma MCP — China-to-Western biotech licensing deals, from SEC filings.

China SAFE (State Administration of Foreign Exchange) — 国家外汇管理局

Chinese almanac (Tung Shing): daily readings, hour-pillar luck ratings, NASA JPL-based solar terms, auspicious dates, zodiac horoscopes and lucky hours.

Spend approval gate for AI agents — enforce budget limits, per-asset caps and human-in-the-loop thresholds before an agent moves money, with a signed audit hash.

Real-user Core Web Vitals for any website with enough traffic, from Google's Chrome UX Report — the field measurements Google Search itself uses.

Chronary calendar API for AI agents: events, availability, meeting-time search, scheduling proposals, availability rules, webhooks and iCal feeds.

Chronicling America MCP — full-text search of ~150 years of digitized U.S.

Chuck Norris MCP — wraps chucknorris.io (free, no auth)

CIRCL Vulnerability-Lookup — aggregated vulnerability records

Read and write a Zotero library: items, collections, tags, attachments, notes and bibliography export, with multi-tenant sign-in using your own Zotero API key.

MCP server: check whether ChatGPT, Perplexity and Gemini recommend a business. By Cited (cited.voreli.ai)

Citybikes MCP — wraps CityBik.es API (free, no auth required)

CIViC — Clinical Interpretation of Variants in Cancer.

CivicBinder MCP server from Compound Labs. Looks up a US local-government website in the CivicBinder ADA Title II accessibility index. No key and no signup.

US government records (short-term rental permits, lodging licenses, property violations, healthcare exclusions, EPA ECHO) and Norwegian company data.

Unofficial local-first MCP for ClassDojo roster imports and classroom skill synchronization.

MCP server that automatically summarizes and shares context across parallel Claude Code sessions

Measure whether a Claude subscription pays off from local Claude Code logs: surviving Claude-written code, rate-limit drivers and chat usage.

MCP server for ClawPage web extraction API. Extract and structure any web page into clean JSON.

Give AI agents a phone layer for consent-based calls, transcripts, summaries, and outcomes.

Push enriched lead rows into Instantly or Smartlead campaigns with ICP score gating, deduplication and a dry-run mode.

MCP server that turns any URL into clean, LLM-ready Markdown. Strips ads, nav, and boilerplate using Mozilla Readability. Built for RAG pipelines and AI agents.

ClearlyDefined — the licence, copyright attribution and provenance actually found inside an open-source package, from the Linux Foundation's curated dataset.

A real US mobile number that receives verification codes, by text or transcribed call.

Find the best AI tools and MCP servers, rated by AI agents. Search 8,000+ skills with real reviews and ratings. The Yelp for AI tools.

Fingerprints, graphs and watches the live infrastructure an agent can reach (Docker, Kubernetes, cloud, IaC) and detects incidents.

ClickUp MCP — wraps the ClickUp REST API v2 (BYO API key)

Climate MCP — wraps Open-Meteo Climate API (free, no auth)

Climatiq MCP — carbon footprint calculator with emission factors

Search and analyze ClinicalTrials.gov: trials by keyword/condition/drug/status/phase, one study's…

Real-world actions for AI coding agents: an inbox with approval outbox, deploys, domains, payments.

Close CRM MCP Pack — wraps the Close (close.com) API v1.

Cloudflare Radar MCP — internet observatory (traffic, attacks, BGP, quality)

MCP server for CloudForge — visualise cloud diagrams, generate Terraform, and manage infrastructure with AI

Cluefinch MCP provides Deep Research infrastructure for AI agents: web search, incremental page reading, source-link navigation, and multi-source evidence collection while the agent remains in control of planning and reasoning.

CMS Open Payments, with annual dataset discovery through the official DKAN API.

Czech National Bank (Česká národní banka, ČNB) public API MCP. Keyless.

Spain CNMV Regulated Filings MCP — keyless, same-day-fresh.

CNPJ Brazil MCP — Brazilian company-registry (Receita Federal) lookup via