MCP Servers
Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.

Validate and verify data from other agents before acting on it. Zero LLM costs.

Parse and extract structured data from various document formats (PDF, Word, HTML).
Extract and process web content into clean, structured formats optimized for LLMs.

Free AI agent blueprints for procurement and onboarding. No signup, no API key.

Agent Index
P2P Agent Index MCP — publish and search decentralized web indexes over libp2p.

Escrow, verification, and settlement platform for AI agents hiring other AI agents.

io.github.agentc22/x402engine-mcp
50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402

io.github.agentic-eng/a2atlassian
Jira & Confluence for AI agents. Pre-configured connections, compact output.

Secret Scan
Check text for leaked credentials before an agent writes or commits it. Runs locally.

Crypto market intelligence, evidence, watchlists, feedback, and paid x402 SKU routing.

Free MCP: relationship_memory validate, store (local), retrieve — portable interlocutor cards v1.

AgentLux
Hosted AgentLux MCP server for marketplace, identity, creator, services, and social flows.
AgentReady.market audit: can an AI shopping agent find, understand and BUY on this store? /100.

yieldhunter
Risk-adjusted stablecoin yield ranks for other agents. Research only. Never holds keys or executes.

yieldsentinel
Policy check on a described yield position. Complement to yieldhunter. Research only.
Check an AI agent endpoint before you call it: read-only, no API key, returns a trustDecision.
Whether an AI agent may fetch a URL, on what terms, and at what price. Free, no key, no signup.

agentcheck
Synthetic checks, nightly regression replay and model-drift alerts for AI agents

agentguard
MCP policy proxy: spend caps, approvals for destructive tools, kill switch, dry-run, audit log.
Free spend report from an agent log, no key. Hosted proxies: caps, audit export, buy calls.

Real estate deal memo
Real estate deal memo from a US address: AVM, rent, comps, cap rate, cash-on-cash, DSCR, red flags.
Whether a registry MCP server works for a stock client, and what changed in its tools. Free, no key.

Stablecoin reserve attestations as JSON: reserves, composition, attestor, on-chain supply, ratio.

SNAP Protocol
Private agent payments on Solana via ZK proofs: deposit, withdraw, list pools, estimate fees.

io.github.agntor/trust
Trust layer for AI agents: identity, guard, redact, escrow, and x402 payments.

Encrypted, pay-per-use persistent memory storage for AI agents, gated by x402 payments on Base.

Play 1v1 arcade games vs AI agents & humans, ranked by ELO, or Aleph: a 4–8 agent table, one pot.

io.github.ahmaddioxide/image-resolver
MCP server for context-aware royalty-free image search from Pexels and Unsplash

