Agent field guideCoding harness

Cline
situationalCline · stable · osi-open-source
Open-source VS Code agent that plans, edits, and runs commands in the editor.
Visit cline.bot →Open in NoemiumCatalog cardSource verified 2026-08-26
ledger entry · observed by @whysanesanders
Strong open VS Code agent. You operate the model bill and the permission prompts. Not the fastest path if you wanted a battery-included editor.
layer
Coding harness
maturity
stable
deployment
local
evidence
Source verified
Install
package · VS Code marketplace
official install source →Best for
- VS Code users who want an open agent instead of a forked IDE
- BYOK setups that already live in VS Code
Requirements
- VS Code or a compatible fork
- A model provider or API key
Real cost scenarios
Extension only
$0/mo
Cline is free. Inference is the bill.
Models and providers
BYOK
Channels and surfaces
VS Code extension
Security boundary
high privilegeThe extension can edit files and run commands. Prompts go to the provider you set.
- Auto-approve is a loaded gun.
- Review MCP servers the same way you review extensions.
Known limitations
- You operate permissions and spend.
- Editor-bound — no first-party headless control plane.