---
title: "Changes to Run Tool From Source"
method: POST
path: "/v1/tools/run"
---

# Changes to Run Tool From Source

`POST /v1/tools/run`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 36 revisions.

- **2025-10-08** `1bed3816dfe2`: 6 info

## Changes

- **2025-10-08** `1bed3816dfe2`: 6 info
  - added the optional property `tool_returns` to the response with the `200` status
  - response property `status` deprecated
  - response property `stderr` deprecated
  - response property `stdout` deprecated
  - response property `tool_call_id` deprecated
  - response property `tool_return` deprecated

---

[Operation](https://skmtc.dev/yu-code666/apis/letta-api/docs/v1/tools/run/post.md) - [API](https://skmtc.dev/yu-code666/apis/letta-api.md) - [Page](https://skmtc.dev/yu-code666/apis/letta-api/changes/v1/tools/run/post)