How to connect Linkedin to Muse

Connect Muse to Linkedin MCP. Share a new post about our product launch, delete your last published linkedin post, and more using natural language, with authentication handled for you.

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LinkedIn is a professional networking platform for connecting, sharing content, and engaging with business opportunities. It's the go-to place for building your professional brand and unlocking new career connections.

22 Tools

Introduction

Muse is Meta's AI assistant. It can connect to outside tools through custom connectors, which use the Model Context Protocol (MCP).

This guide explains how to connect Linkedin to Muse using Composio Connect, which handles OAuth, token refresh, and reliability so you do not have to. You add Composio as a custom connector once, then ask Muse to work with Linkedin in plain language.

Also integrate Linkedin with

Why use Composio?

  • Cross-app workflows across 1,500+ apps from a single plugin layer.
  • On-demand tool loading so Muse only loads the tools needed for the current task.
  • Programmatic tool calling through a remote workbench for complex, multi-step workflows.
  • Multi-account support so users can connect and switch between multiple accounts for the same app.
  • Shared account access so teams or agents can work through common business accounts and service connections.
  • Managed authentication with OAuth handling, credential storage, and token refresh managed by Composio.
  • Safer credential handling so app credentials stay outside the model context and tool responses.
  • User-level account isolation so actions run against the correct connected account instead of mixing user access.

Connecting Linkedin to Muse

You add Composio to Muse once as a custom connector, then connect Linkedin from the chat.

1. Ask Muse to connect to Composio

Start a new Muse chat and send this message. Muse builds the connector and shows a button to add your API key.

bash
Create a Custom Connector for the Composio remote MCP server and connect to it:
- Name: Composio
- Transport: remote streamable HTTP
- URL: https://connect.composio.dev/mcp
- Auth: API key sent in the x-consumer-api-key header
Open the secure credentials store so I can enter the API key there, not in this chat. Then list its tools to confirm the connection works.

2. Copy your API key

Open the Muse page in your Composio dashboard and copy your API key. It starts with ck_.

Don't paste it into the chat. It goes in Muse's secure credentials store in the next step.

3. Add your API key in the secure credentials store

Tap the button Muse shows to open Add custom connector, paste your API key, then tap Add. Muse lists the Composio tools once it connects.

Muse secure credentials store with the connect.composio.dev URL, an API Key field, and the Add button

4. Connect your Linkedin account

Back in the chat, ask Muse to connect to Linkedin or give it any Linkedin task.

For example, ask it to:

  • "Share a new post about our product launch"
  • "Delete your last published LinkedIn post"
  • "Fetch company pages I can manage"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Muse, and your Linkedin account is ready to use.

What is the Linkedin MCP server, and what's possible with it?

The LinkedIn MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your LinkedIn account. It provides structured and secure access to profiles, posts, article and URL sharing, and image upload preparation, so your agent can verify your identity, retrieve member profiles, inspect post content, publish shares, and prepare images for feed posts on your behalf.

  • Connected account details: Have your agent confirm the name and email associated with your connected LinkedIn account.
  • Member profile retrieval: Direct your agent to retrieve available profile information for a specific LinkedIn member.
  • Post content review: Let the agent retrieve a LinkedIn post and review its text, images, videos, and related details.
  • Article and link sharing: Instruct your agent to publish an article or URL share to your LinkedIn feed.
  • Image upload preparation: Have your agent prepare an image for use in a native LinkedIn feed share.

Way Forward

Now that Linkedin is connected, extend your setup by connecting the other apps you already use every day, so Muse can run true cross-app workflows end to end.

  • Connect Calendar to turn threads into scheduled meetings automatically.
  • Connect Slack or Teams to post summaries, approvals, and alerts where your team works.
  • Connect Notion, Linear, Jira, or Asana to convert requests into tickets, tasks, and docs.
  • Connect Drive, Dropbox, or OneDrive to fetch, file, and share attachments without manual steps.

Start with one workflow you do repeatedly, then keep adding apps as you find new handoffs. With everything behind a single connection, Muse can coordinate multiple tools safely and reliably in one conversation.

Troubleshooting

1. Why doesn't Muse show a button to add my API key?

Muse shows the button only when you ask it to open the secure credentials store.

  • Start a new chat.
  • Send the message from step 1 exactly as written.
  • If Muse asks for the key in the chat, do not paste it. Ask Muse to open the secure credentials store.

2. Why does the Composio connection fail after I add my API key?

The key or the connector settings are not correct.

  • Copy the full key from the Composio dashboard. It starts with ck_.
  • Make sure the URL is https://connect.composio.dev/mcp and the header is x-consumer-api-key.
  • Remove the Composio connector in Muse settings, then do steps 1 to 3 again.

3. Why doesn't Muse use the Composio tools for Linkedin?

Muse may not pick the Composio connector for the request.

  • Ask Muse to list its Composio tools.
  • Name Composio and Linkedin in your request, for example: Use Composio to connect to Linkedin.
  • If it still does not work, start a new chat and try again.

4. Why does Muse ask me to connect Linkedin again?

Your Linkedin connection expired or was removed.

  • Open the link Muse gives you and sign in to Linkedin again.
  • Check that the Linkedin connection shows as ACTIVE in the Composio dashboard.

5. What do I do if I pasted my API key into the chat?

Treat the key as exposed.

  • Create a new API key in the Composio dashboard and delete the old one.
  • Add the new key in Muse's secure credentials store, not in the chat.
TOOLS

Supported Tools

Every Linkedin action and event your agent gets out of the box.

Create article or URL share

Tool to create an article or URL share on LinkedIn using the UGC Posts API.

Create comment on LinkedIn post

Tool to create a first-level or nested comment on a LinkedIn share, UGC post, or parent comment via the Social Actions Comments API.

Create a LinkedIn post

Creates a new post on LinkedIn for the authenticated user or an organization they manage.

Delete LinkedIn Post

Deletes a specific LinkedIn post (share) by its unique `share_id`, which must correspond to an existing share.

Delete Post

Delete a LinkedIn post using the Posts API REST endpoint.

Delete UGC Post (Legacy)

Delete a UGC post using the legacy UGC Post API endpoint.

Get ad targeting facets

Tool to retrieve available ad targeting facets from LinkedIn Marketing API.

Get audience counts

Retrieves audience size counts for specified targeting criteria.

Get company info

Retrieves organizations where the authenticated user has specific roles (ACLs), to determine their management or content posting capabilities for LinkedIn company pages.

Get image details

Tool to retrieve details of a LinkedIn image using its URN.

Get images

Tool to retrieve image metadata including download URLs, status, and dimensions from LinkedIn's Images API.

Get my info

Fetches the authenticated LinkedIn user's profile information including name, headline, profile picture, and other profile details.

Get network size

Tool to retrieve the follower count for a LinkedIn organization.

Get organization page statistics

Tool to retrieve page statistics for a LinkedIn organization page.

Get person profile

Retrieves a LinkedIn member's profile information by their person ID.

Get post content

Tool to retrieve detailed post content including text, images, videos, and metadata from LinkedIn by post URN.

Get share statistics

Retrieves share statistics for a LinkedIn organization, including impressions, clicks, likes, comments, and shares.

Get videos

Retrieves video metadata from LinkedIn Marketing API.

Initialize image upload

Tool to initialize an image upload to LinkedIn and return a presigned upload URL plus the resulting image URN.

List reactions on entity

Retrieves reactions (likes, celebrations, etc.

Register image upload

Tool to initialize a native LinkedIn image upload for feed shares and return a presigned upload URL plus the resulting digital media asset URN.

Search ad targeting entities

Search for ad targeting entities using typeahead search.

FAQ

Frequently asked questions

Yes. Muse supports custom connectors that use the Model Context Protocol (MCP). Composio connects as one custom connector over remote streamable HTTP at https://connect.composio.dev/mcp, and gives Muse access to Linkedin and 1,500+ other apps.

Copy it from the Composio dashboard. It starts with ck_. Enter it only in Muse's secure credentials store, never in the chat.

Yes. Composio supports multiple connected accounts for the same app. Give each Linkedin connection a name, such as work or personal, and tell Muse which one to use.

Tokens, keys, and configuration are encrypted at rest and in transit. Your Composio API key stays in Muse's secure credentials store, not in the chat or the model context. Composio is SOC 2 Type 2 compliant.

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