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Court Listener
CourtListener MCP — Free Law Project's CourtListener API (free, no auth required for basic access)

Data Issy
Issy-les-Moulineaux Open Data (data.issy.com) — OpenDataSoft MCP.

Datos Ar
Argentina 'Series de Tiempo' MCP — national time-series API (apis.datos.gob.ar).
CostBench
Verified pricing, hidden costs, negotiation data, price changes & TCO for 3,390+ software products.

Prefeitura CE Jaguaretama: Certidão Negativa de Débitos
Prefeitura CE Jaguaretama: Clearance Certificate (Debts), official-source lookup.
Recharge
Read subscriptions, customers, charges, orders; skip charges, cancel or activate subscriptions.

Weather
Real-time weather conditions and multi-day forecasts via Open-Meteo — free, no API key required

Australia Tenders
Australia Government Procurement MCP — AusTender OCDS (keyless).
Argentina Invoices (factura electrónica CAE via WSFE)
Argentina AFIP/ARCA electronic invoices for AI agents - issue & query facturas, get CAE via WSFE.

archive
Archive MCP — wraps the Internet Archive APIs (free, no auth)

Paid MCP Metering
Metered MCP tools: free discovery over MCP; per-call execution settled in USDC via x402 v2.

Benji Pays
Sits between accounting and payment rails for reminders, Pay Now, autopay, portal, and book sync.

Changegamer
Agent-first resource directory for AI agents: protocols, security, RAG, memory, evals, and more.

Openaire
OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)
Kifly — Agentic Commerce & Payments
Multi-seller shopping for AI agents.

Mission — Trust Graduation Gate
Trust Graduation gate: Claude can do real work once Mission decides what it is allowed to do.
Heart Routes
Heart-shaped GPS running routes in 200+ cities — charity, gift, memorial, anniversary.

FabTally Utility Belt
13 deterministic agent utilities: timezone, cron, RRULE, currency, regex, diff, hashing & more.
Arithym
Precision math engine for AI agents.

worlduank
World Bank MCP — wraps the World Bank Data API v2 (free, no auth)
Just Domain
Search domain availability and pricing, straight from chat, then open a link to register.
Transcript Magic
Generate transcripts from YouTube, TikTok, Instagram, and Facebook videos.