Everything Claude Code (ECC) / Agent Harness OS. Imposes a disciplined, multi-step engineering pipeline (plan, test, implement, review, verify, remember) with strict verification gates, memory persistence, and anti-slop rules.
Harness²: Recursive Agent Harnessing (Google Research / arXiv:2610.14224). Dynamically adapts and self-improves the agent execution harness on-the-fly using dual-level recursion (Propose-Probe-Compose and Harnessing Recursion).
A Cursor Canvas is a live React app that the user can open beside the chat. You MUST use a canvas when the agent produces a standalone analytical artifact — quantitative analyses, billing investigations, security audits, architecture reviews, data-heavy…
Explain, inspect, configure, and troubleshoot Cloud Agent development environments. Use when the user asks about environment setup, changing/improving the environment, or triggering/testing a build.
Test that a Cloud Agent environment will work with prebuilt environment builds and recommend any required changes. Use when the user wants to migrate to builds, test build compatibility, or follow the Builds page setup-agent flow.
Create a Cursor-hosted repo for the current project and push it. Use when a project has no git remote yet and the user asks to create a repo on Cursor, push the project to Cursor, or set up a Cursor-hosted remote; installs and signs in the origin CLI when…
Install, sign in, update, or repair the origin CLI for repos hosted on Cursor (origin.cursor.com). Use when the CLI is missing or outdated, git push/pull fails to authenticate against origin.cursor.com, or the user asks to set up, clone, or configure…
Rename the current chat to match its focus. Use only when the user invokes /rename-chat. Optional text after the command steers the title.