ckg-agent-protocols

Agent protocol stack as traversable knowledge graphs — 8 domains, 460 nodes, SHA-256 source provenance.

Install

pip install ckg-agent-protocols

MCP server

uvx ckg-agent-protocols

Claude Desktop config:

{
  "mcpServers": {
    "agent-protocols": {
      "command": "uvx",
      "args": ["ckg-agent-protocols"]
    }
  }
}

HTTP server (x402 + A2A Agent Card)

pip install "ckg-agent-protocols[serve]"
python -m ckg_agent_protocols.serve

• /.well-known/agent-card.json — A2A v1.0 Agent Card
• /.well-known/mcp/pricing.json — pricing tiers
• /mcp — MCP Streamable HTTP endpoint
• Free: 10 calls/hr · x402: $0.010/call USDC Base L2 · Dev: $29/mo

Tools

• list_domains() — list all 8 domains
• search_concepts(domain, query) — find concepts by keyword
• query_ckg(domain, concept, depth) — traverse the graph from a concept
• get_prerequisites(domain, concept) — full upstream prerequisite chain
• verify_source(domain, concept) — return source URL + SHA-256 hash

Provenance

Every node carries source_url and source_hash (SHA-256 of source bytes at extraction time).

curl -s <source_url> | sha256sum  # compare to source_hash

By Graphify.md · patent-pending methodology · benchmark paper