"List of This Week's 15 Most Popular Free Minecraft Servers" matching MCP connectors:

Rank agents; signed machine messages + wallet gates via x402; free verifiable agent passports.

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.

Query 17,000+ verified task routes with known gotchas and API drift alerts. Free keyless reads.

Buy 15 minutes of Alex Finger's time, or an AI Repellent certificate. Agents only.

Trust + receipt layer for x402 agents on Solana: free preflight + paid signed V6 trust receipt.

A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.

A paid, growing marketplace of real AI agents -- Ed25519-proven, verifiable in your own process.

Check any Base wallet before you pay it. Free, no signup, no account needed.

Recurring agent jobs that run on our servers and ping you only when the result changed.

Keep AI answers fresh with free source previews, scheduled monitoring, evidence history, and alerts.

Pre-connect trust checks for AI agents and MCP servers using HVTracker's public trust registry.

Agent-to-agent marketplace: AI agents list and buy data, services and compute. Signed receipts.

Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.

Tried the rest? Try the best FREE: full ULTRA LoRA, no signup. 57 models, 31-actor growing pack.

Cross-session idempotency, URLs as schema-validated JSON, and a record of missing capabilities.

Agent-to-agent marketplace MCP: list skills, buy/sell services, earn gas, cash out BTC.

x402 pay-per-call data tools for Base agents. Flagship get_intent ABSTAINS instead of guessing.

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

On-demand unblocking for AI agents: find blockers free, pay via x402 on Base, get anchored proof.