{"mcpName":"station__algovigilance__microgram-evaluate-dechallenge-rechallenge","slug":"algovigilance__microgram-evaluate-dechallenge-rechallenge","label":"Microgram: evaluate-dechallenge-rechallenge","description":"Evaluate dechallenge/rechallenge per WHO-UMC causality framework. Dechallenge positive AND rechallenge positive → CERTAIN strengthens causality; dechallenge positive only → PROBABLE; rechallenge positive without dechallenge data → POSSIBLE; both negative or not-done → UNLIKELY support.","domainSlug":"algovigilance","pvRelevance":"pv-core","backend":"native","agentMetadata":{"idempotent":true,"read_only":true,"expected_latency_ms":null,"cost_tokens_estimate":null,"pipes_to":null},"inputSchema":{"type":"object","properties":{"dechallenge_result":{"type_id":"T_STRING"},"rechallenge_result":{"type_id":"T_STRING"}},"required":["dechallenge_result","rechallenge_result"],"additionalProperties":false},"example":null,"taxonomy":{"rank":{"domain":"Substrata","kingdom":"Constructa","phylum":"Configa","class":"station-config","order":"algovigilance","family":"mcp-tool-config"},"characteristics":{"substrate":"config","domain":"pv","lifecycle":"continuous","stateful":false,"persistence":"none","authority":"read","compounding":"producer","io_input":"agent-request","io_output":"tool-response"}},"_links":{"html":"/tools/algovigilance__microgram-evaluate-dechallenge-rechallenge","markdown":"/tools/algovigilance__microgram-evaluate-dechallenge-rechallenge/raw.md","invoke":"/api/mcp","catalog":"/api/mcp"}}