---
title: "Partially update MCP server"
method: PATCH
path: "/v1/mcp_server/{mcp_server_id}"
tags: ["McpServers"]
---

# Partially update MCP server

`PATCH /v1/mcp_server/{mcp_server_id}`

## Request

- Base URL: `https://api.braintrust.dev`
- URL: `https://api.braintrust.dev/v1/mcp_server/{mcp_server_id}`
- Auth: one of:
  - HTTP bearer
  - none

Partially update an MCP server object. Specify the fields to update in the payload. Any object-type fields will be deep-merged with existing content. Currently we do not support removing fields or setting them to null.

## Path parameters

- `mcp_server_id` string, uuid, required: McpServer id

## Request body

- PatchMCPServer
  - `name` string, nullable: Name of the MCP server. Within a project, MCP server names are unique
  - `url` string, nullable: URL of the MCP server endpoint
  - `description` string, nullable: Textual description of the MCP server

## Response `200`

Returns the MCP server object

- MCPServer
  - `id` string, uuid, required: Unique identifier for the MCP server
  - `project_id` string, uuid, required: Unique identifier for the project that the MCP server belongs under
  - `user_id` string, uuid, nullable: Identifies the user who created the MCP server
  - `created` string, date-time, nullable: Date of MCP server creation
  - `deleted_at` string, date-time, nullable: Date of MCP server deletion, or null if the MCP server is still active
  - `name` string, required: Name of the MCP server. Within a project, MCP server names are unique
  - `description` string, nullable: Textual description of the MCP server
  - `url` string, required: URL of the MCP server endpoint

## Other responses

- `400`: The request was unacceptable, often due to missing a required parameter
- `401`: No valid API key provided
- `403`: The API key doesn’t have permissions to perform the request
- `429`: Too many requests hit the API too quickly. We recommend an exponential backoff of your requests
- `500`: Something went wrong on Braintrust's end. (These are rare.)

## Changes

- **2026-10-30** `8f5039399f77`: 3 breaking
  - the request property `description` became not nullable
  - the request property `name` became not nullable
  - the request property `url` became not nullable
- **2025-12-04** `b6967d956e2f`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/braintrustdata/apis/braintrust-api/changes/v1/mcp_server/:mcp_server_id/patch.md)

---

[API](https://skmtc.dev/braintrustdata/apis/braintrust-api.md) - [All operations](https://skmtc.dev/braintrustdata/apis/braintrust-api/llms.txt) - [OpenAPI document](https://skmtc.dev/braintrustdata/apis/braintrust-api/revisions/19184ec94018?raw)