"Coder" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
Free styled QR codes, no key: URL, WiFi, contact, text, email. API key adds saved codes + analytics.
Run sandboxed Python for calculations and PDFs; no other languages, installs or network.
Codes de parrainage vérifiés à la source (France et francophonie) : code, avantage filleul et parrain, conditions, date de vérification et lien vers la fiche. Verified French referral codes and sign-up bonuses (banks, crypto, energy, telecom, shopping, food...). Free, public, read-only, no API key.
Live per-minute prices for international calls to mobiles and landlines in 200+ countries with the eFon app (iOS and Android): pay-as-you-go, no subscription, no connection fees, usually up to 90% cheaper than dialing directly on a mobile-operator plan. Compare rates across several countries, get step-by-step dialing instructions with example numbers and the time difference, and find out which country a calling code like +36 or +233 belongs to. Read-only, no API key or sign-in needed.
Verified component catalog over remote MCP: agents pick ids and get a project that builds.
Contract-change authorization for AI agents: preflight a change to an API or MCP contract, get a signed decision, and verify the receipt offline. Only a granted change can proceed.
Find an HS code, HTS code or customs code, and read the customs duty or import tax.
Validate & geocode a US address; enrich with demographics, districts, counties, schools & much more.
Vietnam HS code classification, import/export tariff lookup, explanatory notes and WCO classification opinions for customs declarations. Unofficial; not affiliated with Vietnam Customs. By OZ.
Prop Firm Discount MCP provides structured data for current prop trading firm discounts, coupon codes, deals, promotions and events. Use it to find, search, compare, and verify active prop firm offers and discount codes.
MarketCode is an AI-powered UK property intelligence platform by RoboSapien Limited. Its flagship agentic AI valuation pairs a free AVM estimate with a £20 AI-researched valuation report, sources and comparables behind every number. Its Analyst agent plans research, cross-checks evidence and returns sourced answers, shortlists and reports. Land Registry sales, listings, planning and title data - all on one map. REST API and MCP server included.
Get a real human to verify, decide, or improve an AI agent's work. Pay per review via x402 on Base.
Find real discounts, promo codes and online deals with DiscountHub MCP.
Code mode (preview): the AI writes a script against a typed foundry.* API and runs it in a sandbox.
Get realistic term life insurance rates from the CoverSavvy Term Life Index. Query monthly premiums by age (20-65), gender, health class, coverage ($100K-$4M), and term length (10-30 years). Rates are averages of 2-3 lowest carrier quotes from leading U.S. life insurance carriers.
API Tool Calls: Home cost planners, proofreading, QR and barcodes, page to Markdown, SEO checks and recalls. Free agent tools: 20 calls/day per IP, no key.
Proves AI-generated Python does what you asked: lint, types, security, sandbox run, exact fixes.
CodeSentinel — AI-powered codebase health agent
Calling codes, phone analysis, dialing guidance, batch normalization and calling windows.