# Microgram: triangulate-triangulate-signal

`station__algovigilance__microgram-triangulate-triangulate-signal` · native (always callable) · domain `algovigilance` · pv-relevance `pv-core`

Full cross-database signal triangulation. Queries FAERS + EudraVigilance + VigiAccess + DailyMed + PubMed + ClinicalTrials.gov for a drug-event pair. Returns disproportionality scores, case counts from each database, label status, literature count, causality assessment, concordance score, and verdict. The only PV signal tool that cross-references US + EU + WHO databases in one call.

## Agent metadata

- `idempotent`: true
- `read_only`: true
- `expected_latency_ms`: unknown (not yet contract-tested)
- `cost_tokens_estimate`: unknown

## Input schema

- `drug` *string* (required) — Drug name (generic preferred, e.g., 'metformin', 'semaglutide')
- `event` *string* (required) — Adverse event MedDRA preferred term (e.g., 'lactic acidosis', 'thyroid cancer')

## Example call

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__algovigilance__microgram-triangulate-triangulate-signal",
    "arguments": {
      "drug": "",
      "event": ""
    }
  }
}
```

## Related

- [/tools](/tools) — all 7718 tools
- [/tools/algovigilance__microgram-triangulate-triangulate-signal](/tools/algovigilance__microgram-triangulate-triangulate-signal) — HTML page
- [/tools/algovigilance__microgram-triangulate-triangulate-signal/json](/tools/algovigilance__microgram-triangulate-triangulate-signal/json) — JSON form (agent-friendly)
- [/api/mcp](/api/mcp) — endpoint
- [/AGENTS.md](/AGENTS.md) — agent guide