---
title: "Attach client MCP server"
method: GET
path: "/api/experimental/client-mcp"
tags: ["mcp"]
---

# Attach client MCP server

`GET /api/experimental/client-mcp`

## Request

- Base URL: `https://opencode.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://opencode.ai/api/experimental/client-mcp`
- Auth: none required

Upgrade to a WebSocket over which the client hosts an MCP server named after `name`; its tools stay available while the socket is open. One JSON-RPC message per text frame. Experimental: may change without compatibility guarantees.

## Query parameters

- `location` object, nullable
  - `directory` string, nullable
- `name` string, required
- `ticket` string, nullable

## Response `200`

Success

- boolean

## Other responses

- `400`: InvalidRequestError
- `401`: UnauthorizedError
- `403`: ForbiddenError
- `404`: LocationNotFoundError

## Changes

> 50 revisions in range; 1 not diffed.

- **2026-10-23** `f52efc43928f`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/kaaass/apis/opencode/changes/api/experimental/client-mcp/get.md)

---

[API](https://skmtc.dev/kaaass/apis/opencode.md) - [All operations](https://skmtc.dev/kaaass/apis/opencode/llms.txt) - [OpenAPI document](https://skmtc.dev/kaaass/apis/opencode/revisions/4e083d954707?raw)