Add a SINGLE task to OmniFocus. IMPORTANT: For adding 2+ tasks, use batch_add_items instead (9x faster, single API call).

Add a SINGLE project to OmniFocus. For adding multiple projects, use batch_add_items instead.

Add a new folder to OmniFocus

Remove a SINGLE task or project from OmniFocus. For removing 2+ items, use batch_remove_items instead (9x faster).

Edit a SINGLE task or project in OmniFocus. For editing 2+ items, use batch_edit_items instead (12x faster).

PREFERRED: Add multiple tasks/projects in ONE call. 9x faster than individual add_omnifocus_task calls. Always use this for 2+ items.

PREFERRED: Remove multiple tasks/projects in ONE call. 9x faster than individual remove_item calls. Always use this for 2+ items.

PREFERRED: Edit multiple tasks/projects in ONE call. 12x faster than individual edit_item calls. Always use this for 2+ items.

Get information about a specific task by ID or name

Get information about a specific project by ID or name

Get information about a specific folder by ID or name

Get tasks completed today - view today's accomplishments

Get tasks from OmniFocus inbox perspective

Get flagged tasks from OmniFocus with optional project filtering

Get tasks from OmniFocus forecast perspective (due/deferred tasks in date range)

Get tasks filtered by OmniFocus tags (labels like @home, @work, @urgent). Use this for tag-based filtering, NOT for custom perspective names. Tags are labels assigned to individual tasks.

List all tags defined in OmniFocus with task counts and hierarchy

Advanced task filtering for ONE project. For filtering across 2+ projects, use batch_filter_tasks instead (single API call). Supports status, dates, tags, search, and more.

PREFERRED: Filter tasks across multiple projects in ONE call. Always use this instead of multiple filter_tasks calls when querying 2+ projects.

List all custom perspectives defined in OmniFocus

Get tasks from a specific OmniFocus custom perspective by name. Use this when user refers to perspective names like 'Today', 'Daily Review', 'This Week' etc. - these are custom views created in OmniFocus, NOT tags. Supports hierarchical tree display of task relationships.

Get projects that are due for review (next review date is in the past or today)

Mark multiple projects as reviewed in a single operation (advances their next review dates)

List projects with optional folder and status filtering - the targeted way to discover projects and their IDs

Get OmniFocus MCP server version and build information

Check OmniFocus connectivity, permissions, and server status. Run this first if experiencing issues.

Full-text search across task names and notes. Simpler than filter_tasks for finding tasks by text. Supports match modes: contains, anyWord, allWords, exact.

Create a copy of a project including all its tasks. Useful for templates and recurring workflows. Supports date shifting and hierarchy preservation.

Edit a tag's properties: rename, change status (active/onHold/dropped), move to different parent, or set allowsNextAction. Use to reactivate dropped tags or reorganize tag hierarchy.

Get all OmniFocus health metrics in a single call. Returns counts for inbox, projects (by status), tasks (by status), tags, flagged tasks, and untagged tasks. Includes health indicators (🟢/🟡/🔴) and percentages. Much faster than multiple filter_tasks calls for dashboards.

Get task completion counts grouped by project, tag, or folder for a date range. Returns sorted list with counts and percentages. Much faster than multiple filter_tasks calls for analytics.