Agent field guideCoding harness

Cursor
shipAnysphere · stable · proprietary
AI-first editor (VS Code fork) with agent mode, tab completions, and a headless CLI.
Visit cursor.com →Open in NoemiumCatalog cardSource verified 2026-08-26
ledger entry · observed by @whysanesanders
Still the default AI editor. Pro token limits throttle heavy agent months, and you cannot audit or self-host the editor.
layer
Coding harness
maturity
stable
deployment
local · managed
evidence
Source verified
Install
download · macOS, Windows, Linux
official install source →Best for
- Daily product coding in a VS Code layout
- Multi-file agent runs when you can sit with the diff
Requirements
- A Cursor account (Hobby free, Pro $20/mo and up)
- A project folder the editor is allowed to index
Real cost scenarios
Hobby
$0/mo
Free Hobby limits. Agent work hits the ceiling fast.
Pro
$20/mo
Pro list. Heavy agent months still throttle.
Ultra
$200/mo
Ultra 20× agent limits.
Models and providers
Cursor bundled modelsoptional API keys where the product allows
Channels and surfaces
desktop editorheadless CLI
Security boundary
high privilegeSource is indexed locally and sent to Cursor/model providers. Trains-on-inputs is yes on the catalog card.
- Closed source; no self-host.
- Privacy mode is a setting, not a proof.
Known limitations
- Pro plan token limits throttle heavy agent sessions mid-month.
- Closed source; no way to self-host or audit data handling.
- Black-box model routing.
Typed evidence
- 1Availabilitycursor.com/docschecked 2026-08-26
- 2Installcursor.com/docschecked 2026-08-26
- 3Requirementscursor.com/docschecked 2026-08-26
- 4Pricingcursor.com/docschecked 2026-08-26
- 5Security / threat modelcursor.com/docschecked 2026-08-26