# retrieval-ingest

`station__retrieval__retrieval-ingest` · external (needs EXECUTION_BACKEND_URL configured) · domain `retrieval` · pv-relevance `non-pv`

Deduplicates by source_id (updates existing entries).

> **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

- `content` *string* (required) — Content to index
- `source_id` *string* (required) — Source identifier (e.g., file path, URL, session ID)
- `tags` *array* (required)
- `title` *string*
- `ttl_hours` *integer*

## Example call

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__retrieval__retrieval-ingest",
    "arguments": {
      "content": "",
      "source_id": "",
      "tags": []
    }
  }
}
```

## Related

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