# Microgram: circles-circle-gate

`station__algovigilance__microgram-circles-circle-gate` · native (always callable) · domain `algovigilance` · pv-relevance `pv-core`

Entry gate — enforce 5W1H question form, map to T1 primitive (ψ/ς/∂/ν/→/μ), route to SMM Phase I-III.

## Agent metadata

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

## Input schema

- `w_word` *string* (required) — First word of the post: who | what | where | when | why | how

## Example call

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__algovigilance__microgram-circles-circle-gate",
    "arguments": {
      "w_word": ""
    }
  }
}
```

## Related

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