With this server, you can interact with Mastodon by creating and managing toots with various customizable options:
Create and publish text content as toots
Customize visibility (public, unlisted, private, or direct)
Mark content as sensitive with a boolean parameter
Add spoiler warnings/text before toot content
Attach media files (images, videos, audio)
Provide alt text for media attachments
Schedule toots for future posting using ISO 8601 datetime format
Used for secure credential management to store and retrieve Mastodon API tokens, ensuring secure access to Mastodon accounts without hardcoding credentials.
Provides tools for posting content to Mastodon, including creating toots with customizable visibility and content warnings, uploading and attaching media files (images, videos, audio), and adding alt text to media attachments.
Mastodon MCP
A Model Context Protocol server that provides tools for interacting with Mastodon. Currently supports creating toots with optional media attachments.
Features
- Create toots with customizable visibility and content warnings
- Upload and attach media files (images, videos, audio)
- Add alt text/descriptions to media attachments
- Schedule toots for a future time
- Secure credential management using environment variables or 1Password CLI
Prerequisites
- Node.js 18+
- pnpm
- A Mastodon account and API access token
- Optionally, 1Password CLI (
op
) installed and configured if using 1Password for credential management.
Installation
Configuration
The tool requires a Mastodon API token. You can provide this token in one of the following ways:
- Environment Variable (Recommended for simplicity):
Set the
MASTODON_ACCESS_TOKEN
environment variable: - 1Password: Store your token at:
op://Personal/Floss.Social Key/notesPlain
You can optionally set the Mastodon instance URL via environment variable:
If not set, it defaults to https://floss.social
.
Usage
Start the MCP server:
The server exposes a single tool mastodon_create_toot
with the following parameters:
content
(required): The text content of your tootvisibility
: One of "public", "unlisted", "private", or "direct" (default: "public")sensitive
: Boolean flag for sensitive content (default: false)spoiler_text
: Warning text shown before the content (default: "")media_file
: Path to a media file to attachmedia_description
: Alt text/description for the attached mediascheduled_at
: Optional ISO 8601 datetime to schedule the toot for a future time (e.g., "2024-07-04T10:00:00-07:00")
Example Usage with MCP Inspector
- Start the inspector:
- Open http://localhost:5173 in your browser
- Use the tool with parameters like:
Development
Security
- No credentials are hardcoded in the codebase
- API tokens can be securely managed via environment variables or retrieved from 1Password.
- API responses are git-ignored to prevent accidental credential leaks
License
ISC
remote-capable server
The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.
Tools
A Model Context Protocol server that provides tools for interacting with Mastodon, enabling users to create toots with customizable visibility and attach media files with descriptions.
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