Find and retrieve the profile of any fediverse user or account (called an 'actor' in ActivityPub). Returns display name, bio, follower/following URLs, and inbox/outbox endpoints. Pass a handle like '@alice@mastodon.social' or 'alice@mastodon.social'.

Discover fediverse instances in real-time using the instances.social API with advanced filtering

Fetch recent posts (the outbox) from any fediverse actor — a user or account — with cursor- and ID-based pagination. Pass a handle like 'alice@mastodon.social'.

Fetch a post and its full conversation thread including replies and parent posts

Unified search across the fediverse - find accounts, posts, or hashtags on any instance

Get currently trending hashtags on a fediverse instance (Mastodon-compatible instances that expose a trends API).

Get currently trending posts on a fediverse instance (Mastodon-compatible instances that expose a trends API).

Fetch an instance's public timeline. scope 'federated' (default) shows posts the instance has seen from across the fediverse; 'local' shows only posts authored on that instance.

Get detailed information about a fediverse instance: software and version, description, registration policy, supported languages, user/post/domain counts, and contact account.

List all configured authenticated accounts for write operations

Switch the active account used for write operations

Verify that the account credentials are valid and get account information

Get your personalized home timeline (posts from accounts you follow)

Get your notifications (mentions, follows, boosts, favourites)

Get your bookmarked posts

Get posts you have favourited

Check your relationship status with another account (following, followed by, blocking, muting, etc.). Pass a single acct like 'username@instance'. To check multiple accounts, call this tool once per account.

List your scheduled posts that haven't been published yet