Claude Cowork Gets a LinkedIn MCP Connector. It Can Delete Your Last Post. Naturally, Nobody Warned the Interns.
Composio provides a LinkedIn toolkit that connects Claude Cowork to LinkedIn's Marketing API through a Model Context Protocol server. Once linked, Claude agents can publish new posts, delete previously published posts, and retrieve ad targeting facets, all through natural language commands. The integration also extends to marketing automation platforms like ActiveCampaign and ActiveTrail, though the standalone LinkedIn MCP server only exposes a fixed set of LinkedIn tools.
This demonstrates what I would call tool-mediated agency. The LLM does not itself understand LinkedIn. It receives a constrained vocabulary of available actions through the MCP protocol and operates within those boundaries. The mental model you need is simple: the agent is a capable but literal-minded assistant who can only touch the dials you wired up. Wire the wrong dials and you get a deleted post instead of a scheduled one. The protocol is the safety rail, not the intelligence.
Composio, the platform behind the toolkit, built the connector for Claude Cowork using a standalone LinkedIn MCP server that interfaces with LinkedIn's Marketing API.
- Open composio.dev/toolkits/linkedin/framework/claude-cowork in your browser and read the authentication setup instructions.
- Create a free Composio account and follow the LinkedIn OAuth flow to connect your LinkedIn account to the MCP server.
- Open Claude and test the connection by asking it to retrieve your last published LinkedIn post. Expect Claude to return the post text and timestamp, confirming the integration is live. Do not ask it to delete anything until you are absolutely certain you mean it.