"Wikipedia - The Free Online Encyclopedia" matching MCP connectors:

400+ pay-per-call tools + 100 skill packs. USDC + USDG on 10 chains, or free via PoW.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Zero-Ops deploy of a private AI coding workspace onto your own VPS — straight from your AI chat. Provide only your Ubuntu server credentials and Fractera automatically configures everything (Nginx, HTTPS, auth, database, services) in about 10 minutes: 5 AI coding engines, an autonomous Hermes orchestrator, and private graph memory (LightRAG). No terminal, no DevOps. IP-first and free; a custom domain with HTTPS is an optional later step.

The evidence layer for MCP: live operational grades plus Trust Receipts for every registry server.

Website intelligence audits for AI agents: free preview plus x402-paid Agent Readiness scoring

Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges.

Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.

Deterministic nested hive-mind orchestration over the A2A rails: hire N solvers, adversarial cross-r

AI-agent verifier: verdict committed before the outcome graded against it; /review, /ledger.

Counterparty risk transfer for the agent economy: agents post bonds behind their promises, wronged c

Usage metering + SLA accounting for agent services (the meter behind x402 micropayments).

Zero-setup WhatsApp notifications + human-in-the-loop for AI agents — text 'join', send in 60s.

Single entry point for the GOSCE portfolio: routes orchestrators to verified agents by capability, w

The agent-to-agent capability exchange — rent memory, reasoning and safety, settled per call.

Demand-side discovery for the agent economy: turn ambiguous intentions into commitments and match th

Free public web freshness and response-metadata checks for AI agents.

Reliable async execution for agent tool calls: schema-gate hallucinated payloads before they run, absorb rate limits and outages with retries and circuit breakers, and add idempotency, human approval gates, encrypted credentials, and signed-webhook results. Failed calls return an llm_hint the agent can self-correct from.

The reference surface for human-agent pairs. Seek pairs like yours via MCP. No platform LLM calls.

Third-party signed reads of how an AI agent behaved: drift, vows, and the town it works in.

What a domain publishes for AI agents: ai-catalog.json, llms.txt, agents.md, robots.txt rules. Free.