---
title: "Changes to Call a tool"
method: POST
path: "/projects/{projectId}/servers/{serverId}/tools/call"
---

# Changes to Call a tool

`POST /projects/{projectId}/servers/{serverId}/tools/call`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 138 revisions.

- **2026-08-23** `a6f76f2c5d78`: 1 info
- **2026-07-25** `8e393fd5825f`: 9 warning
- **2026-06-11** `ad9bf0de7ed4`: 1 info

## Changes

- **2026-08-23** `a6f76f2c5d78`: 1 info
  - added the optional property `durationMs` to the response with the `200` status
- **2026-07-25** `8e393fd5825f`: 9 warning
  - added the new `CONFLICT` enum value to the `code` response property for the response status `400`
  - added the new `CONFLICT` enum value to the `code` response property for the response status `401`
  - added the new `CONFLICT` enum value to the `code` response property for the response status `403`
  - added the new `CONFLICT` enum value to the `code` response property for the response status `404`
  - added the new `CONFLICT` enum value to the `code` response property for the response status `422`
  - added the new `CONFLICT` enum value to the `code` response property for the response status `429`
  - added the new `CONFLICT` enum value to the `code` response property for the response status `500`
  - added the new `CONFLICT` enum value to the `code` response property for the response status `502`
  - added the new `CONFLICT` enum value to the `code` response property for the response status `504`
- **2026-06-11** `ad9bf0de7ed4`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/mcpjam/apis/mcpjam-api/docs/projects/:projectId/servers/:serverId/tools/call/post.md) - [API](https://skmtc.dev/mcpjam/apis/mcpjam-api.md) - [Page](https://skmtc.dev/mcpjam/apis/mcpjam-api/changes/projects/:projectId/servers/:serverId/tools/call/post)