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在 OpenClaw 中安装
/install cross-post
功能描述
Cross-post content to Twitter/X, Reddit, and LinkedIn from one prompt. Use when user wants to publish the same content to multiple social platforms, schedule...
使用说明 (SKILL.md)
Cross-Post
Post content to Twitter/X, Reddit, and LinkedIn via official APIs.
Setup
First time use:
python3 scripts/cross_post.py init-config
Config stored at ~/.config/cross-post/config.json.
Usage
# Post to all platforms
python3 scripts/cross_post.py post "Your content here"
# Post to specific platform
python3 scripts/cross_post.py post "Content" -p twitter
# Post as Twitter thread
python3 scripts/cross_post.py post "Long content..." -p twitter --thread
# Post to Reddit with title
python3 scripts/cross_post.py post "Body text" -p reddit -t "Title" -s python
# Read from file
python3 scripts/cross_post.py post -f draft.txt
# Preview formatting
python3 scripts/cross_post.py preview "Content" -p twitter
python3 scripts/cross_post.py preview "Content" -p reddit
python3 scripts/cross_post.py preview "Content" -p linkedin
Platform Requirements
Twitter/X
- Bearer Token (API v2)
- User ID
- Setup: developer.twitter.com
- Client ID, Client Secret, Username
- Password via REDDIT_PASSWORD env var
- Setup: reddit.com/prefs/apps
- Access Token
- Person URN
- Setup: developers.linkedin.com
Tips
- Use
--threadfor long Twitter content (auto-splits at 280 chars) - Use
--fileto post from files - Use
previewbefore posting to check formatting - Each platform has different length limits:
- Twitter: 280 chars per tweet
- Reddit: 100 char title, unlimited body
- LinkedIn: 3000 chars
Security
Config file is chmod 600. Never commit config.json.
安全使用建议
This skill appears to do what it says: it needs API credentials for the three social platforms and will store those credentials in ~/.config/cross-post/config.json (file mode 600). Before installing or running: 1) Confirm you are comfortable providing the listed tokens/credentials; provide REDDIT_PASSWORD via the REDDIT_PASSWORD env var rather than typing it into files. 2) Review and, if you prefer, create the config file yourself instead of using interactive setup so you control what is written. 3) Consider running the script in a limited environment (non-root user) and inspect the rest of the (truncated) script if you can — part of the main function was truncated in the review bundle so ensure there are no unexpected network calls in the remainder. 4) Keep backups and do not commit the config file to version control. If you want higher assurance, verify the script's network calls and OAuth endpoints on a test account before using with your primary accounts.
功能分析
Type: OpenClaw Skill
Name: cross-post
Version: 1.0.0
The 'cross-post' skill is a functional utility for publishing content to Twitter/X, Reddit, and LinkedIn. The script (scripts/cross_post.py) uses standard Python libraries to interact with official APIs and stores credentials locally in a configuration file with restricted permissions (chmod 600). No evidence of data exfiltration, malicious execution, or prompt injection was found.
能力标签
能力评估
Purpose & Capability
The skill's name and description (cross-posting to Twitter/X, Reddit, LinkedIn) match the code and runtime instructions. The script interacts with the expected official API endpoints and asks for the expected credentials (Twitter bearer token & user id, Reddit client id/secret/username + REDDIT_PASSWORD env var, LinkedIn access token + person URN). One minor inconsistency: the registry metadata reports no required environment variables while the SKILL.md and the code rely on REDDIT_PASSWORD for Reddit OAuth.
Instruction Scope
SKILL.md instructs the agent/user to run the included Python script and to initialize a config at ~/.config/cross-post/config.json. The script's operations (reading config, optionally reading REDDIT_PASSWORD from env, calling official API endpoints, writing the config file) are all within the stated scope. The script will verify Twitter credentials by calling the API and may update the config with the resolved user id.
Install Mechanism
This is an instruction-only skill with a bundled Python script; there is no install spec or external download. Nothing is fetched from arbitrary URLs or installed automatically.
Credentials
The credentials the skill requires (API tokens/IDs for Twitter/Reddit/LinkedIn) are appropriate for cross-posting. The code expects REDDIT_PASSWORD to be provided via the REDDIT_PASSWORD environment variable (documented in SKILL.md) even though registry metadata lists no required env vars — this mismatch is notable. The script persists tokens and IDs into a JSON config file in the user's home directory (config is chmod 600), which is convenient but means secrets are stored on disk in plaintext; the SKILL.md warns not to commit the file.
Persistence & Privilege
The skill does not request system-wide privileges or 'always' installation. It creates and writes its own config at ~/.config/cross-post/config.json and sets restrictive permissions (600), which is expected behavior for storing service credentials.
如何使用
- 确保已安装 OpenClaw（本地或 Docker 部署）
- 在对话框中输入安装命令：
/install cross-post - 安装完成后，直接呼叫该 Skill 的名称或使用
/cross-post触发 - 根据 Skill 的参数说明提供必要输入，即可获得结构化输出
版本历史
v1.0.0
Initial release: cross-post to Twitter/X, Reddit, and LinkedIn from one command. Supports threads, previews, and per-platform formatting.
元数据
常见问题
Cross-Post 是什么？
Cross-post content to Twitter/X, Reddit, and LinkedIn from one prompt. Use when user wants to publish the same content to multiple social platforms, schedule... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 75 次。
如何安装 Cross-Post？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install cross-post」即可一键安装，无需额外配置。
Cross-Post 是免费的吗？
是的，Cross-Post 完全免费，采用 MIT-0 许可证，可自由下载、安装和使用。
Cross-Post 支持哪些平台？
Cross-Post 跨平台运行，可在任意部署了 OpenClaw / Claude Code 的环境中使用（cross-platform）。
谁开发了 Cross-Post？
由 drspx（@drspx）开发并维护，当前版本 v1.0.0。
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