## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.SIGN UP
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.LOG IN
Connect Muse to Youtube MCP. List your most recent uploaded videos, get subscriber count for your channel, and more using natural language, with authentication handled for you.
YouTube is a leading video-sharing platform for uploading, streaming, and discovering content. It empowers creators and businesses to reach global audiences and monetize their work.
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 Youtube 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 Youtube in plain language.
You add Composio to Muse once as a custom connector, then connect Youtube from the chat.
Start a new Muse chat and send this message. Muse builds the connector and shows a button to add your API key.
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.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.
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.
Back in the chat, ask Muse to connect to Youtube or give it any Youtube task.
For example, ask it to:
It will prompt you to authenticate and authorize access.
That's it. Composio's tools are now available in Muse, and your Youtube account is ready to use.
The YouTube MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your YouTube account. It provides structured and secure access to your channel, videos, playlists, comments, captions, and channel details, so your agent can upload videos, manage playlists, moderate comments, update thumbnails, and review channel information on your behalf.
Now that Youtube 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.
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.
Muse shows the button only when you ask it to open the secure credentials store.
The key or the connector settings are not correct.
ck_.https://connect.composio.dev/mcp and the header is x-consumer-api-key.Muse may not pick the Composio connector for the request.
Your Youtube connection expired or was removed.
Treat the key as exposed.
Every Youtube action and event your agent gets out of the box.
Use Youtube MCP with Claude Code
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AllTrails MCP is a trail discovery service for hiking, biking, and running routes. Use it to find reviewed trails, photos, maps, difficulty info, and route details fast.
Amara is a collaborative platform for creating and managing subtitles and captions for videos. It helps make content accessible and multilingual for global audiences.
Captions provides the Mirage API for generating videos, speech, and styled captions. Use it to automate polished video creation, voiceovers, and captioning from one API.
Cats is an API with a huge library of cat images, breed data, and cat facts. It makes finding adorable cat photos and trivia effortless for your apps and users.
Managed auth, hosted MCP servers, and every Youtube tool your agent needs.Free to start.
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.Start building