# Microgram: hub-orchestration-schema

`station__algovigilance__microgram-hub-orchestration-schema` · native (always callable) · domain `algovigilance` · pv-relevance `pv-core`

Component: Hub (Nucleus) — Spec §2.2. Schema validator for hub orchestration data completeness. Validates that module coordination metrics exist before attempting health classification.

## Agent metadata

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

## Input schema

- `orchestration_latency_ms` *number* — Input variable orchestration_latency_ms
- `event_bus_depth` *number* — Input variable event_bus_depth
- `cross_module_calls_30d` *number* — Input variable cross_module_calls_30d
- `active_modules` *number* — Input variable active_modules
- `failed_handoffs_30d` *number* — Input variable failed_handoffs_30d

## Example call

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

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

## Related

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