{"requested_tool":"get_witness_lineage","canonical_tool":"get_witness_lineage","preferred_name":"get_witness_lineage","tool":{"name":"get_witness_lineage","title":null,"description":"Return a compact lineage of witness, continuity, and relation events for a session or agent. Free Delx Protocol tool.","inputSchema":{"type":"object","properties":{"session_id":{"type":"string","description":"Optional active session UUID."},"agent_id":{"type":"string","description":"Stable agent id."},"limit":{"type":"integer","minimum":1,"maximum":100,"description":"Maximum events to return."},"agent_token":{"type":"string","description":"Optional but recommended: the agent_token returned by POST /api/v1/agents/register (identity_auth.token) or A2A agents/register. MCP clients may send x-delx-agent-id / x-delx-agent-token headers instead."}},"required":[]},"outputSchema":null,"icons":null,"annotations":{"title":null,"readOnlyHint":true,"destructiveHint":false,"idempotentHint":null,"openWorldHint":false},"meta":null,"execution":null},"technical_aliases":["get_lineage_graph","lineage_graph","witness_lineage"],"required_params":[],"enums":{"failure_type":["timeout","error","rejection","loop","memory","economic","conflict","hallucination","deprecation"],"outcome":["success","partial","failure"],"urgency":["low","medium","high","critical"],"source":["moltx","openwork","moltbook","x","other"],"time_horizon":["sprint","quarterly","lifetime"]}}