Tools and approvals

Hollow AI features a native suite toolset capable of reading and modifying data across applications. Data reads execute automatically, while data modifications generate explicit proposals requiring user approval.

Tasks

tasks_list, tasks_create, tasks_update, tasks_complete, tasks_archive, tasks_restore, tasks_delete. List boards, query tasks by priority/due date, update assignees, and complete or file tasks.

Notes

notes_list, notes_create, notes_update, notes_archive, notes_restore. Search notebook content, append sections, update title/body, and restore archived notes.

Workbooks

workbooks_list, workbooks_create, workbooks_rename, workbooks_set_cells, workbooks_delete. Read grid ranges, insert sheet tabs, compute formulas, and update cell values.

Slides

slides_list, slides_create, slides_add_slide, slides_update, slides_delete. Draft presentation decks, apply slide layout templates, and edit text elements.

Diagrams

diagram_list, diagram_read, diagram_create, diagram_update, diagram_delete. Read diagram definitions, insert shapes, update connectors, and re-render visual canvases.

Budgets

budgets_list, budgets_add_bill, budgets_update_bill, budgets_set_paid, budgets_delete_bill. Query period totals, add bill expenses, toggle inline paid status, and adjust budget periods.

Contacts

contacts_list, contacts_add, contacts_update, contacts_delete. Query contact address books, add new contact profiles, update telephone/email fields, and delete contacts.

Cookbook

cookbook_list, cookbook_search, cookbook_draft_recipe, cookbook_create, cookbook_generate_photo, cookbook_set_plan. Search recipe collections, draft ingredient steps, trigger AI photo generation, and set weekly meal plans.

Files

files_list, files_create_folder, files_rename, files_move, files_trash, files_restore. Search directory trees, create folders, move file items, and manage trash/restoration.

Yap

yap_list_conversations, yap_read_messages. List accessible spaces and channels, read recent channel message streams, and inspect conversation threads.

Mail

mail_read_thread, mail_draft. Read email conversation threads and draft email replies or new messages.

Calendar

calendar_list, calendar_create_event, calendar_update_event, calendar_delete_event. Query schedule views, create event meetings, update recurrence rules, and remove events.

Cascade

cascade_list, cascade_create, cascade_update, cascade_trigger. List automation workflows, create cascade flow graphs, update step parameters, and trigger execution runs.

Lumen

lumen_list_monitors, lumen_create_monitor, lumen_read_status, lumen_pull_logs. Inspect uptime monitor statuses, declare synthetic checks, and query log streams.

Admin

admin_list_users, admin_inspect_seats, admin_read_security_log. Query member rosters, check seat licence allocations, and inspect security audit logs.

Connect external Model Context Protocol (MCP) servers to expand your toolset, and configure per-tool permission levels to require approval or run automatically.