# Microgram: external-interface-schema

`station__algovigilance__microgram-external-interface-schema` · native (always callable) · domain `algovigilance` · pv-relevance `pv-core`

Component: Shaft (External API) — Spec §2.4. Schema validator for external interface data completeness. Validates that API health, auth, and rate limit metrics exist before attempting classification.

## Agent metadata

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

## Input schema

- `rate_limit_hits_30d` *number* — Input variable rate_limit_hits_30d
- `auth_success_rate_pct` *number* — Input variable auth_success_rate_pct
- `api_endpoints_active` *number* — Input variable api_endpoints_active
- `requests_30d` *number* — Input variable requests_30d
- `error_rate_pct` *number* — Input variable error_rate_pct

## Example call

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__algovigilance__microgram-external-interface-schema",
    "arguments": {}
  }
}
```

## Related

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