Connect Claude to X (Twitter) with an MCP Server

Can Claude post tweets? Yes, once you give it a way to reach X (formerly Twitter). A Claude Twitter MCP setup does that: you add an MCP server that holds your X connection, and Claude calls its tools from the chat.

What a Claude Twitter MCP Connection Actually Does

MCP (Model Context Protocol) lets Claude call outside tools. With Postory's MCP server, Claude connects to your Postory account, not to X directly. Postory holds your X connection and posts through X's official API, so Claude never sees your X password or tokens.

• Read. Claude can read and search your own X posts, replies, following and followers, once imported into Postory.
• Write. Claude can create and edit drafts and threads in your Postory workspace.
• Deliver. Claude can publish or schedule a draft to your X account after a preflight check. It's told to ask you first.
• Review. Claude can summarize how your posts did: engagement rate, top and bottom posts, best hours.
• Reply. Claude can answer replies left on your own posts, up to 10 at a time, approved like a publish.
• Check. Claude can run a shadowban check or Profile Audit on your own account, on your yes.

No API keys and no X developer account: you sign in to Postory through OAuth, after connecting your X account on its Accounts page.

Connect X to Claude on the Web and Desktop (Custom Connector)

Claude custom connectors reach a remote MCP server. Postory's URL is https://postory.io/mcp.

On claude.ai

1. Open Customize → Connectors.
2. Click "+", then "Add custom connector".
3. Paste https://postory.io/mcp as the remote MCP server URL. Leave OAuth Client ID and Secret blank.
4. Click "Add", then sign in to Postory and approve access.
5. In a chat, open "+" → "Connectors" and enable Postory.

If Claude's menus change, the Claude web section has the current steps.

On Claude Desktop

The desktop app uses the same connectors as claude.ai. If you already added Postory on the web, enable it per conversation from "+" → "Connectors". Otherwise, run the claude.ai steps in the desktop app and approve access on the Postory consent screen. Details: Claude Desktop section.

Plan notes from Anthropic's custom connector guide: custom connectors work on Free, Pro, Max, Team and Enterprise, but Free accounts can add one custom connector. On Team and Enterprise, an owner must first add Postory under Organization settings → Connectors before members can connect.

Connect X to Claude Code from the Terminal

In Claude Code, setup is two commands:

claude mcp add --transport http --scope user postory https://postory.io/mcp
claude mcp login postory

--scope user makes Postory available in every project. The second command opens the Postory consent screen in your browser (or run /mcp and choose Authenticate). Back in /mcp, Postory should read ✔ Connected. The Claude Code section also has a .mcp.json version you can commit to a repo.

Anthropic's overview of claude mcp add and its scopes:

What You Can Ask Claude to Do With Your X Account

Start with a ready-made prompt: on claude.ai or Desktop, open the "+" menu in the chat box and pick one of Postory's five, such as Weekly performance review. In Claude Code, type / and pick one, or run /mcp__postory__weekly_review (Anthropic's Claude Code docs).

Or ask in your own words:

• "Answer my new replies on X in my voice."
• "How did my X posts do this week, and what worked?"
• "Draft next week's X posts in my voice."

Claude can also:

• Search your posts by meaning, not exact words.
• Draft threads of up to 25 parts, with images or a video from a public URL.
• Schedule a post 2 minutes to 30 days ahead.

Imports and credits

Claude only reads data Postory has imported; for a full import it shows what it fetches and the cost, then waits for your yes, because imports spend credits. Stale data gets a small refresh without asking; Claude says the credits used.

Drafts, planning, reviews and reads are free. Re-reading recent posts' latest counts costs 0.05 credits a post (1 to 10 credits per refresh); publishing or scheduling, 3 credits per account. Shadowban checks: 3 basic ones a day free, then 7 credits. A Profile Audit: 150 credits.

How Approval Works

Every publish and schedule starts with a preflight (or, for several posts, a batch preview). It checks the draft, shows the preview and the cost, and returns a single-use confirmation that expires in 10 minutes.

• By default, Claude is told to show you the post and ask in the chat before it publishes or schedules. Postory can't check your reply.
• With "Manually approve publishing & scheduling in Postory" turned on in Postory's MCP settings, every publish or schedule waits for your approval on a Postory page, a step Claude can't skip. A yes in the chat doesn't count.

What It Cannot Do (and Why That Is On Purpose)

• No engagement actions. No likes, follows, DMs or replies to other people's posts. It answers only replies on your own posts.
• X only. The MCP tools support X (Twitter) and nothing else.
• Your account only. It can't fetch an arbitrary X account's history.
• A hard posting pace. Per X account: at least 10 minutes between posts, at most 30 in any 24 hours, no identical text within 24 hours. Replies: at least 1 minute apart, at most 50 in 24 hours.

What you post through it still has to follow X's automation rules (as of September 2026), including its limits on spam and duplicate posts.

Postory's MCP Server vs X's Own XMCP Server

X runs its own MCP server for developers. Per X's MCP documentation, it calls X API endpoints, and you bring credentials from an app in the X Developer Portal: an OAuth 2.0 Client ID and Secret for full access, or a bearer token for read-only access. For every X MCP option side by side, see X (Twitter) MCP explained.

	Postory's MCP server	X's MCP server
Sign-in	OAuth sign-in to Postory	Your X developer app credentials
Developer account	Not needed	Required
Built around	Your drafts, imported data, preflight-checked publishing	X API endpoints
Paid with	Postory credits	Your X developer app's API access

Want X API endpoints on your own developer app? Use X's server. Want Claude to handle your posts with a preflight check and no developer setup? Use Postory's.

Start Using Claude With Your X Account

Connect your X account to Claude and let it review your posts, and reply and post on your yes. Postory's X (Twitter) MCP server guide keeps the steps for every Claude surface.

Start with Postory: 100 welcome credits, no card required.