Mastodon vs Uluesky — MCP Server Comparison | AllMCPs
Side-by-Side Model Context Protocol Comparison
Mastodon vs Uluesky
In-depth architectural comparison of the Mastodon and Uluesky MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Mastodon
Social Media · Local stdio
Quality: 53/100 (Good) | Auth: No auth required
Uluesky
Social Media · Local stdio
Quality: 53/100 (Good) | Auth: No auth required
Verdict Summary: Choose Mastodon if you need specialized Social Media tools running via a local process. Choose Uluesky if your workspace requires Social Media integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Mastodon when:
You need dedicated capabilities in the Social Media domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Search Mastodon for accounts, statuses, or hashtags. Returns matching profiles, posts, and tags with follower counts and engagement metrics.
get_trending
Get currently trending posts on Mastodon. Returns popular statuses with engagement counts, authors, and trending tags.
get_account
Get a Mastodon account profile by ID (e.g., '109382839472938472'). Returns bio, follower/following counts, post history, and verification status.
get_timeline
Get recent posts from the public Mastodon timeline. Returns statuses with authors, timestamps, engagement counts, and content.
Uluesky Tools (8)
get_profile
Look up a Bluesky user's profile by handle (e.g., "alice.bsky.social"). Returns display name, bio, follower/following counts, avatar, and verification status.
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Mastodon is categorized under Social Media and uses a local stdio subprocess. In contrast, Uluesky belongs to Social Media using local stdio subprocess. Select Mastodon when you need capabilities focused on social media and Uluesky when you require tools for social media.
Fetch recent posts from a Bluesky user's timeline. Returns post text, timestamps, likes, reposts, reply counts, and threaded replies.
search_posts
Search Bluesky posts by keyword or phrase. Returns matching posts with author handles, timestamps, engagement metrics, and content.Requires bsky_handle and bsky_app_password in the gateway URL query params.
get_feed
Get posts from a Bluesky feed (e.g., "discover", "what's-hot"). Returns recent posts with authors, timestamps, and engagement counts.
get_followers
Get a user's followers on Bluesky by handle. Returns follower profiles including handles, display names, bios, and follower counts.
get_follows
Get accounts a Bluesky user follows by handle. Returns followed profiles with handles, display names, bios, and descriptions.
get_thread
Fetch a post thread by URI. Returns the parent post and all replies in conversation order with timestamps, authors, and engagement data.
resolve_handle
Convert a Bluesky handle to its DID (decentralized identifier). Returns the DID for programmatic account lookups.