LinkedIn Post MCP
An MCP server that lets you publish posts to your LinkedIn profile using the official LinkedIn API, with support for markdown formatting and OAuth authentication.
README
LinkedIn Post MCP
An MCP (Model Context Protocol) server that lets an MCP client (e.g. Claude) publish posts to a LinkedIn profile via the official LinkedIn API.
How it works
- 3-legged OAuth (member token) against LinkedIn (
openid profile w_member_social) — the member authorizes once, the resulting access/refresh token is persisted locally and refreshed automatically. - FastMCP server, HTTP transport on
/sse. Authentication towards the MCP client is expected to be handled upstream (e.g. by an MCP gateway); here OAuth is only towards LinkedIn. - Tools: import an existing token, run the interactive OAuth flow, post a text post (supports markdown formatting → LinkedIn richtext), inspect token state.
Setup
See SETUP.md for the full LinkedIn app configuration (credentials, redirect URI, scopes) and server deployment.
Quick start
python -m venv .venv && source .venv/bin/activate
pip install -r requirements.txt
cp .env.example .env # then fill in LINKEDIN_CLIENT_ID / LINKEDIN_CLIENT_SECRET
python oauth_cli.py auth # interactive 3-legged OAuth
python server.py # start the MCP server
Configuration
All settings come from environment variables (see .env.example):
| Variable | Description |
|---|---|
LINKEDIN_CLIENT_ID / LINKEDIN_CLIENT_SECRET |
LinkedIn app credentials |
LINKEDIN_REDIRECT_URI |
Must match an authorized redirect URL in the LinkedIn app |
LINKEDIN_SCOPES |
openid profile w_member_social |
LINKEDIN_VERSION |
LinkedIn API version (YYYYMM) |
BASE_URL / PORT |
Where the server listens |
TOKEN_PATH |
Where the persisted member token is stored (perm 600) |
License
MIT
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