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assess-who-umc-causality

station__calculate__assess-who-umc-causality external (needs EXECUTION_BACKEND_URL) calculate non-pv Constructa Configa

Assess drug-event causality using the WHO-UMC system. Categories: Certain, Probable/Likely, Possible, Unlikely, Conditional/Unclassified, Unassessable/Unclassifiable.

Taxonomy

Linnaean classification joined from the algovigilance taxonomy index via the parent config's rank.

Rank	Value
domain	`Substrata`
kingdom	`Constructa`
phylum	`Configa`
class	`station-config`
order	`calculation`
family	`mcp-tool-config`

Characteristics:

substrate: config
domain: pv
lifecycle: continuous
authority: read
compounding: producer
io: agent-request → tool-response

Input schema

temporal_relationship booleanrequired — Is there a reasonable temporal relationship between drug and event?
known_response booleanrequired — Is this a known response pattern to the drug?
dechallenge_positive stringrequired — Did the event improve on drug withdrawal? (yes/no/not_done)
rechallenge_positive stringrequired — Did the event recur on re-exposure? (yes/no/not_done)
alternative_explanation booleanrequired — Could the event be explained by disease or other drugs?
sufficient_information booleanrequired — Is there sufficient information to assess?

Example call

POST /api/mcp
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__calculate__assess-who-umc-causality",
    "arguments": {
      "temporal_relationship": false,
      "known_response": false,
      "dechallenge_positive": "",
      "rechallenge_positive": "",
      "alternative_explanation": false,
      "sufficient_information": false
    }
  }
}

How to invoke from a client

From any MCP-aware client, add https://algovigilance.com/api/mcp as an MCP server, then call this tool by name. From a raw HTTP client, send the JSON-RPC body above to /api/mcp.

Agent-friendly formats

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