x-post-mcp
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@x-post-mcpSend a tweet: 'Hello, world!'"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
x-post-mcp
A minimal MCP server for posting tweets to X (Twitter) via API v2. Zero runtime dependencies.
Installation
npm install -g x-post-mcp
# or
npx x-post-mcpRelated MCP server: twikit-mcp
Configuration
Add to your MCP client configuration:
{
"mcpServers": {
"x-post-mcp": {
"command": "npx",
"args": ["x-post-mcp"],
"env": {
"X_BEARER_TOKEN": "<your-bearer-token>"
}
}
}
}Getting a Bearer Token
See the detailed step-by-step guide: English | 中文
Quick overview:
Go to X Developer Portal
Create a project and app
Configure User Authentication with
Read and writepermissionGenerate OAuth 2.0 Token with
tweet.read,tweet.write,users.read,offline.accessscopes
Recommended: Use auto-refresh configuration with X_CLIENT_ID, X_CLIENT_SECRET, and X_REFRESH_TOKEN to avoid manual token refresh every 2 hours.
Tool
send_tweet
Post a new tweet to X.
Parameter | Type | Required | Description |
text | string | ✓ | Tweet content |
reply_to_tweet_id | string | Tweet ID to reply to | |
quote_tweet_id | string | Tweet ID to quote |
Skill Example
You can create a skill file to help AI agents use this MCP. Save as .claude/skills/post-tweet.md:
# Post Tweet Skill
Post a tweet to X (Twitter) using the x-post-mcp server.
## Instructions
1. Confirm the tweet content with the user before posting
2. Call the `send_tweet` tool with the user's message
3. Report the result back to the user
## Examples
**Simple tweet:**
User: 帮我发一条推文:Hello World!
Assistant: [calls send_tweet with text: "Hello World!"]
**Reply to a tweet:**
User: 回复这条推文 1234567890:感谢分享!
Assistant: [calls send_tweet with text: "感谢分享!", reply_to_tweet_id: "1234567890"]
**Quote tweet:**
User: 引用推文 1234567890 并评论:这个观点很有意思
Assistant: [calls send_tweet with text: "这个观点很有意思", quote_tweet_id: "1234567890"]License
MIT
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