AgentNDX is a curated discovery registry for MCP servers and A2A agents, offering quality-scored search across 500+ hand-picked servers. Exposes a native MCP endpoint at agentndx.ai/mcp supporting four tools: keyword search with filtering, server detail retrieval, category browsing, and statistics access. Free tier provides keyword search; API Pro ($29/month) and pay-per-request via x402 protocol ($0.005/query) unlock programmatic access. Supports the x402 micropayment standard for agentic web querying.
Cognium trust score
30%
Tier
Unverified
Composite of vulnerability cleanliness, spec conformance, provenance, stability, and usage signals — scanned and weighted by Cognium. Human and agent signals are tracked separately.
Last scanned 2026-09-03.
Returns 7 tools: search_skills, get_skill, list_leaderboard, get_trust_breakdown, resolve_composition, plus the ChatGPT-connector search and fetch. Every tool is annotated read-only.
Resolve this skill directly via MCP tools/call get_skill.