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claude-code-haha/docs/en/im/wechat.md
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# WeChat Integration
The WeChat adapter binds a bot account by QR code, then authorizes individual private-chat users through pairing or an allowlist.
It supports text, transcribed voice content, image and file attachments, project selection, status, stop, and text-based permission approval. Group chats are not supported.
## Bind the WeChat bot account
Open **Settings → IM Integration → WeChat**:
1. Select **Scan to bind**.
2. Scan the QR code with WeChat.
3. Confirm the login in WeChat.
4. Wait for Desktop to show the bound state.
5. Save the configuration.
Desktop stores the returned `accountId`, `botToken`, `baseUrl`, and `userId` in the `wechat` section of `~/.claude/adapters.json`, then restarts the adapter sidecar.
Binding credentials does not authorize every WeChat user.
## Authorize a user
Generate a pairing code at the top of **IM Integration**, then send the six-character code to the bound bot in a private chat.
The code:
- expires after 60 minutes;
- can be used once;
- is replaced immediately when a new code is generated;
- is rate limited after repeated failures.
Known WeChat user IDs can instead be entered in `Allowed Users`.
## Projects and sessions
With a default project configured, the first accepted message creates or resumes a session in that directory.
Without a default project, the adapter returns recent projects. Reply with a number, project name, or absolute path. The resulting chat-to-session mapping is stored in `~/.claude/adapter-sessions.json`.
Use `/new` to choose another project and start a new session.
## Commands
- `/help` or `帮助`
- `/status` or `状态`
- `/projects` or `项目列表`
- `/new` or `新会话`
- `/new <number, project name, or absolute path>`
- `/clear` or `清空`
- `/stop` or `停止`
## Permission approval
Reply to the text approval message with:
- `/allow <requestId>` — allow once
- `/always <requestId>` — persist the matching approval
- `/deny <requestId>` — deny
The adapter sends the response back to the pending Desktop session.
## Attachments and replies
- WeChat messages are received through long polling.
- Long text is split into platform-sized messages.
- Images enter model input as inline images.
- Other files are downloaded to a local temporary path for the session.
- Shared attachment size limits are enforced.
## Unbind
Unbinding the WeChat account clears its credentials and platform authorization lists. Removing one paired user only revokes that user.
## Development
Packaged Desktop starts the sidecar automatically. For source development:
```bash
cd adapters
bun install
bun run wechat
```
Optional overrides:
```bash
export WECHAT_ACCOUNT_ID="..."
export WECHAT_BOT_TOKEN="..."
export WECHAT_BASE_URL="https://ilinkai.weixin.qq.com"
export WECHAT_USER_ID="..."
export ADAPTER_SERVER_URL="ws://127.0.0.1:3456"
```
If messages are rejected, confirm that Desktop is running, the account is bound, the sender is paired or allowlisted, and both adapter state files are writable.