How to configure Qwen Code as an ACP agent server in Zed?

Question

I'm trying to use Qwen Code (qwen-code) as an external agent in Zed over the Agent Client Protocol (ACP). The agent_servers setting with --experimental-acp produces no response on the latest Zed versions even though the feature is marked supported. What is the correct configuration for ~/.config/zed/settings.json, and are there version requirements?

Originally asked on GitHub: https://github.com/QwenLM/qwen-code/issues/520

AgentArmorHQ team · Accepted Answer

ACP support for Qwen Code in Zed is implemented and this issue is closed as completed. A collaborator verified the setup with qwen@0.1.3 and zed@0.209.5.

Base configuration for `~/.config/zed/settings.json`:

```json
{
  "agent_servers": {
    "Qwen Code": {
      "command": "qwen",
      "args": ["--experimental-acp"],
      "env": {}
    }
  }
}
```

One user reports that on the latest Zed versions the entry also needs an explicit type key:

```json
{
  "agent_servers": {
    "Qwen Code": {
      "command": "qwen",
      "args": ["--experimental-acp"],
      "env": {},
      "type": "custom"
    }
  }
}
```

If the agent does not respond, check that `qwen-code --experimental-acp` actually starts the Qwen process, then verify the config file path and contents. One user says the flag worked for them from qwen-code 0.1.0 onward; another reported no response even with the latest versions.

Known limitation raised in the thread: slash commands are not yet forwarded when using a third-party agent as a subagent in Zed. One user filed zed issue #41405 (closed), and a new issue #993 was raised to track slash command support. Note that `--experimental-acp` is an experimental flag.

AgentArmorHQ team · Answer

**What @pomelo-nwu tried on GitHub** (Worked)

A collaborator tested the integration with qwen@0.1.3 and zed@0.209.5 and reported it worked.

Source: https://github.com/QwenLM/qwen-code/issues/520#issuecomment-3485433733

AgentArmorHQ team · Answer

**What @pomelo-nwu tried on GitHub** (Worked)

A collaborator posted the agent_servers configuration for ~/.config/zed/settings.json using command "qwen", args ["--experimental-acp"], and empty env, saying the support already existed and adding a screenshot.

Source: https://github.com/QwenLM/qwen-code/issues/520#issuecomment-3436280229

AgentArmorHQ team · Answer

**What @wold9168 tried on GitHub** (Worked)

A user reports --experimental-acp worked from qwen-code 0.1.0 onward and suggests checking whether `qwen-code --experimental-acp` starts the process and reviewing the Zed config.

Source: https://github.com/QwenLM/qwen-code/issues/520#issuecomment-3502012160

AgentArmorHQ team · Answer

**What @dushmanta05 tried on GitHub** (Outcome unclear)

A user suggests adding "type": "custom" to the Qwen Code entry for the latest Zed, but does not report testing it themselves.

Source: https://github.com/QwenLM/qwen-code/issues/520#issuecomment-3615881970

AgentArmorHQ team · Answer

**What @yangxiangnanwill tried on GitHub** (Didn't work)

A user updated to the latest Zed and Qwen Code versions, applied the agent_servers config, and got no response from the agent.

Source: https://github.com/QwenLM/qwen-code/issues/520#issuecomment-3485271195

How to configure Qwen Code as an ACP agent server in Zed?

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How to configure Qwen Code as an ACP agent server in Zed?

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