---
title: "List built-in tools"
method: GET
path: "/api/v0/agent/tools/builtin"
tags: ["Agent Tools"]
---

# List built-in tools

`GET /api/v0/agent/tools/builtin`

Returns metadata for all built-in agent tools.

## Response `200`

Successful Response

- BuiltinToolResponse[]
  - `id` string, required — Tool identifier (snake_case).
  - `name` string, required — Human-readable tool name.
  - `description` string, required — Short description of the tool.
  - `category` string, required — Tool category (execution, search, analysis, schematics, data, filesystem).
  - `icon` string, required — Lucide icon name.
  - `long_description` string, required — Detailed description of the tool.
  - `parameters` BuiltinToolParameterResponse[], required — Tool parameters.
    - `name` string, required — Parameter name.
    - `type` string, required — Parameter type (string, number, etc.).
    - `description` string, required — Parameter description.
    - `required` boolean, required — Whether the parameter is required.
  - `output_format` string, required — Description of the output format.
  - `example` BuiltinToolExampleResponse, required — Example input/output for a built-in tool.
    - `input` string, required — Example input.
    - `output` string, required — Example output.
  - `capabilities` string[], required — What the tool can do.
  - `limitations` string[], required — What the tool cannot do.

---

[API](https://skmtc.dev/outerport/apis/outerport-api.md) · [All operations](https://skmtc.dev/outerport/apis/outerport-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/outerport/outerport-api/revisions/f565b46daaea/schema)