The Desktop Agent

Composer lets you work alongside agents that can
edit your documents, fill PDF forms, and much more.

PDF Forms

Fill PDF forms instantly with Composer. Works with interactive forms and non-interactive forms.

Word Documents

Tracked changes, formatting, embedded images, and more. A fully featured Word editor with AI built in.

Markdown

Accept granular edits and find new connections. A local, rich text markdown editor.

Pricing

Hobby

Free

Includes:

  • No credit card required
  • Limited Agent requests
  • Limited Tab completions
Download

Pro

20 $/mo.

Everything in Hobby, plus:

  • Extended limits on Agent
  • Access to frontier models
  • MCPs, skills, and hooks
Download

Pro +

Contact us

Everything in Pro, plus:

  • 3x usage on all OpenAI, Claude, Gemini models

FAQ

A desktop agent that can read, edit, and create documents on your computer. It includes full editors for Word, PDF, and Markdown. Describe what you need and the agent handles it, or open any document and edit it yourself.
  • Ask questions across folders of PDFs to surface patterns and evidence
  • Fill PDF forms from other files or images
  • Edit Word (DOCX) and Markdown with structure-aware AI assistance
  • Turn receipts into formatted expense reports
  • Turn transcripts into notes, action items, or outlines
  • Outline, rewrite, or translate long documents without losing formatting
  • Organize files, batch rename, connect to integrations
The Hobby plan includes limited Agent and Tab completion usage with no credit card required. Pro includes managed models with no setup required.
Local model usage stays on your device. If you use hosted models, your requests are routed through our servers and logged for up to 30 days; see our Privacy Policy.