# crate-dev-scaffold

`station__devtools__crate-dev-scaffold` · external (needs EXECUTION_BACKEND_URL configured) · domain `devtools` · pv-relevance `non-pv`

Scaffold a new nexcore crate.

> **Note:** This tool routes through an external execution backend. If `EXECUTION_BACKEND_URL` is unset on the server, calls return JSON-RPC error `-32603 "Tool execution backend not configured"`. Tools with `backend: native` execute in-process and are always callable.

## Agent metadata

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

## Input schema

- `description` *string*
- `domain` *string* (required) — Domain description for doc comments (e.g. "supply-chain", "cloud infrastructure")
- `name` *string* (required) — Crate name without "nexcore-" prefix (e.g. "logistics", "genomics")
- `type_count` *integer*

## Example call

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__devtools__crate-dev-scaffold",
    "arguments": {
      "domain": "",
      "name": ""
    }
  }
}
```

## Related

- [/tools](/tools) — all 3062 tools
- [/tools/devtools__crate-dev-scaffold](/tools/devtools__crate-dev-scaffold) — HTML page
- [/tools/devtools__crate-dev-scaffold/json](/tools/devtools__crate-dev-scaffold/json) — JSON form (agent-friendly)
- [/api/mcp](/api/mcp) — endpoint
- [/AGENTS.md](/AGENTS.md) — agent guide
