Hjarni for AI agents

Agents read Hjarni at once. Changes and sends are held for a person's approval by default.

About Hjarni

Hjarni is a personal knowledge management platform for organizing, searching, linking, and maintaining notes, containers, and tags.

What an agent can do in Hjarni

Every Hjarni action is classed by the platform as a read, a change or a send. Reads run at once. Changes and sends are held for a person by default.

Runs at once (reads)

Looks things up in Hjarni without asking first. 6 actions.

  • Get Account StatusReturn the connected Hjarni identity, token scope, plan, teams, and current resource usage and quotas. Use this before creating many notes or attachments; Free accounts allow 25 notes, 5 attachments,
  • Get NoteGet one Hjarni note by ID with its Markdown body, tags, container, attachments, links, and optimistic-lock version.
  • List ContainersList Hjarni containers as active roots, archived roots, or all active containers in a flat view. Use next_cursor to page through results.
  • List NotesList and filter personal Hjarni notes, including active, inbox, archived, or favorited notes. Use next_cursor to page through results; use query for simple personal-note filtering.
  • List TagsList all Hjarni tags and their note counts. Use next_cursor to page through results.
  • List Trashed NotesList recoverable trashed Hjarni notes with their deletion and scheduled purge times. Use next_cursor to page through results.

Held for approval by default (changes and sends)

Held for a person's approval by default. The approval is recorded and the action is sent once, never twice, with 10 seconds to undo. 9 actions.

  • Create ContainerCreate a root or nested Hjarni container for organizing notes.
  • Create NoteCreate a Markdown note in the inbox or a container. Tags named in tag_names are applied as part of creation. Free accounts are limited to 25 notes, so check account status if quota pressure is possibl
  • Create NotesCreate 1-25 Markdown notes in order and return one result per input. This batch is non-atomic: successful notes remain created if another item fails.
  • Create TagCreate a Hjarni tag for organizing notes.
  • Rename TagRename an existing Hjarni tag without changing its note associations.
  • Restore NoteRestore a note from Trash before its scheduled purge and return the active note.
  • Move Note to TrashMove a note to recoverable Trash. This is not immediate permanent deletion: Hjarni retains the note for about 30 days, and RESTORE_NOTE can recover it before purge.
  • Update ContainerUpdate a Hjarni container's name, description, parent, position, or container-specific AI instructions.
  • Update NoteUpdate note metadata, placement, tags, or body. body replaces the entire Markdown body; append_body safely appends text. Provide expected_lock_version from GET_NOTE to prevent overwriting concurrent e

Changes wait in Needs you

Changes and sends in Hjarni are held for a person's approval by default. The approval is recorded, and the action is sent once, never twice, with 10 seconds to undo.

How approvals work

Hjarni questions

Can an agent change data in Hjarni on its own?

Not by default. Changes and sends in Hjarni are held for a person's approval. The approval is recorded, and the action is sent once, never twice, with 10 seconds to undo.

What can an agent read in Hjarni?

This connector lists 6 read actions. Reads run at once, without waiting for approval.

How does Hjarni connect?

It connects with API key. Connectors are built and maintained by third-party developers; availability is confirmed during scoping.

Bring Hjarni to your agents.