{
  "id": "tool-descriptor:postgres.query",
  "_kind": "ToolDescriptor",
  "_file": "extensions/tool-descriptors/postgres-mcp-tools.yaml",
  "_cluster": "extensions",
  "attributes": {
    "schema": "{}",
    "displayName": "Postgres: Query (read-only)",
    "description": "Execute a read-only SQL query against the connected database.",
    "inputSchema": {
      "type": "object",
      "required": [
        "sql"
      ],
      "properties": {
        "sql": {
          "type": "string"
        }
      }
    },
    "outputSchema": {
      "type": "object",
      "properties": {
        "rows": {
          "type": "array"
        }
      }
    },
    "mode": "normal",
    "streamable": false,
    "timeoutMs": 30000
  },
  "outgoingEdges": [
    {
      "from": "tool-descriptor:postgres.query",
      "to": "tool-server:postgres-mcp",
      "kind": "contained_in_plugin",
      "attributes": {}
    }
  ],
  "incomingEdges": [
    {
      "from": "claim:source-provenance-run3-extensions-tool-descriptors-postgres-mcp-tools-yaml",
      "to": "tool-descriptor:postgres.query",
      "kind": "about_subject"
    },
    {
      "from": "tool-server:postgres-mcp",
      "to": "tool-descriptor:postgres.query",
      "kind": "contains_tool_descriptor",
      "attributes": {}
    }
  ]
}