Pith — Instagram publishing MCP server

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Pith — the Instagram MCP server

Publish to Instagram from the chat you are already in. A hosted remote MCP server for Instagram Business and Creator accounts. Your assistant posts your photo with your caption, on your say-so, through the official Instagram Graph API. Nothing to install, no API key to paste, no password to hand over.

Connect Pith →

Add it

Your client will ask for a remote MCP server URL. This is it:

https://pith.day/api/mcp

Streamable HTTP. Sign-in happens in your browser over OAuth 2.1 — the server issues the token, the client never sees a password of yours.

Claude (web, desktop, mobile)

1. Settings → Connectors → Add custom connector.
2. Paste the address above and connect.
3. Sign in with email or Google when Claude opens pith.day, and approve what it asks for.

Claude Code

1. Add it once, then /mcp to sign in.

claude mcp add --transport http pith https://pith.day/api/mcp

Cursor, VS Code, and other config-file clients

1. Add the server to your MCP config:

{
  "mcpServers": {
    "pith": {
      "type": "http",
      "url": "https://pith.day/api/mcp"
    }
  }
}

Anything else

1. Wherever the app asks for a remote MCP server, paste the address.
2. Transport: streamable HTTP. Auth: OAuth — Dynamic Client Registration and Client ID Metadata Documents both work, so most clients need no manual setup at all.

First run

1. whoami — shows nothing is connected yet.
2. connect my instagram — the server hands back a single-use link into Instagram's official login. Approve there, and you land back on a done page.
3. whoami again — your account, with canPublish: true.
4. post this photo with this caption — it is live on Instagram. The reply tells you the exact caption that was posted and links the post.

An Instagram Business or Creator account is required — that is Meta's rule for API publishing, not ours. Switching a personal account over is free and takes a minute in the Instagram app.

What it does

What you actually say

Real sentences, from the mornings this was built for.

Shortened. The full README is on GitHub.