Wechat Decrypt

Read, search, summarize, export, and transcribe a user's own local WeChat 4.x history on macOS or Windows; diagnose setup and re-extract the device key after a WeChat update. Use for WeChat messages, chats, contacts, and local archives. Do not use for remote accounts or devices the user is not authorized to access.

81 stars 42 forksImages, Video & Audio

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add freanocank/wechat-decrypt --skill wechat-decrypt

Manual install

git clone --depth 1 https://github.com/freanocank/wechat-decrypt.git /tmp/wechat-decrypt
mkdir -p ~/.claude/skills
cp -r /tmp/wechat-decrypt/. ~/.claude/skills/wechat-decrypt

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# WeChat local history

Operate only on local WeChat data the user is authorized to access. Keep keys, decrypted databases, voice caches, and exports local. Never print a raw key or include one in chat, logs, commands, or reports.

## Resolve the runtime

Use the directory containing this `SKILL.md` as `SKILL_DIR`; never assume a fixed installation path.

- macOS: prefer `$SKILL_DIR/.venv/bin/python`, otherwise `python3`.
- Windows: prefer `$SKILL_DIR\.venv\Scripts\python.exe`, otherwise `python`.

Before reading chat data, run the read-only diagnostic:

```bash
"$SKILL_DIR/.venv/bin/python" "$SKILL_DIR/scripts/common/doctor.py" --json
```

On Windows, use the equivalent venv Python path. Interpret `fail` as blocking and `warn` as optional/degraded:

- `key` or `database` failure: read the matching platform reference below.
- `mcp` warning: use the CLI fallback now; run platform setup only when MCP registration is needed.
- `voice-backend` warning: ordinary export works; install the optional platform voice stack only for transcription.
- `voice-model` warning: ordinary export still works. Do not download the model without user approval.

## Route the request

| Intent | Preferred action |
|---|---|
| List chats or groups | `wechat_list_chats` |
| Read one chat | `wechat_read_chat` |
| Search all chats | `wechat_search_messages` |
| Review recent activity | `wechat_recent_messages` |
| Summarize recent chats and action items | `wechat_chat_summary` |

Read the full skill on GitHub

Details

Skill name: wechat-decrypt
Repository: freanocank/wechat-decrypt
License: MIT
Repo updated: 14 October 2026
Copies: Found in 2 GitHub repos

FAQ

What does the Wechat Decrypt skill do?

How do I install the Wechat Decrypt skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add freanocank/wechat-decrypt --skill wechat-decrypt. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Wechat Decrypt popular?

It lives in freanocank/wechat-decrypt, which has 81 GitHub stars and 42 forks.

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