# Microgram: delta-classifier

`station__algovigilance__microgram-delta-classifier` · native (always callable) · domain `algovigilance` · pv-relevance `pv-core`

Classify flywheel score delta between sessions: SURGE (>+10), GROWTH (+3..+10), STABLE (-2..+2), DECLINE (-10..-3), CRASH (<-10)

## Agent metadata

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

## Input schema

- `delta` *number* — Input variable delta

## Example call

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__algovigilance__microgram-delta-classifier",
    "arguments": {}
  }
}
```

## Related

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