# Microgram: ml-pipeline-ml-feature-extract

`station__algovigilance__microgram-ml-pipeline-ml-feature-extract` · native (always callable) · domain `algovigilance` · pv-relevance `pv-core`

Extract 12-element PV feature vector from FAERS 2x2 contingency table: PRR, ROR, IC, EBGM, log(cases), HCP ratio, consumer ratio, serious ratio, death ratio, hospitalization ratio, median time-to-onset, reporting velocity

## Agent metadata

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

## Input schema

- `a` *number* (required) — Contingency table cell: cases with both drug and event.
- `b` *number* (required) — Contingency table cell: cases with drug but not event.
- `c` *number* (required) — Contingency table cell: cases with event but not drug.
- `consumer_reports` *number* — Input parameter consumer_reports.
- `d` *number* (required) — Contingency table cell: cases with neither.
- `death_count` *number* — Input parameter death_count.
- `drug` *string* (required) — Drug name (generic).
- `event` *string* (required) — Event name (MedDRA preferred term).
- `hcp_reports` *number* — Input parameter hcp_reports.
- `hospitalization_count` *number* — Input parameter hospitalization_count.
- `median_tto_days` *number* — Input parameter median_tto_days.
- `serious_count` *number* — Input parameter serious_count.
- `velocity` *number* — Input parameter velocity.

## Example call

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__algovigilance__microgram-ml-pipeline-ml-feature-extract",
    "arguments": {
      "a": 0,
      "b": 0,
      "c": 0,
      "d": 0,
      "drug": "",
      "event": ""
    }
  }
}
```

## Related

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