Groundrule vs OctoPunk

Groundrule keeps a team's coding standards in one place, writes them into agent instruction files such as CLAUDE.md and Cursor rules, and checks each change against them.

We've been living inside a browser tab for ten years.

About Groundrule

Groundrule is a developer tool for engineering teams whose code is increasingly written by agents like Claude Code, Cursor, GitHub Copilot and OpenAI Codex. It stores team conventions in a single rulebook, then syncs those rules into the instruction files each agent reads, including AGENTS.md and CLAUDE.md, and runs deterministic checks in CI. Teams can begin from 179 maintained standards across 14 open packs, import rules from an existing wiki, or write a fresh rule from a single sentence. Each rule gets an owner and a staged rollout. A CLI, an MCP server and an open source kernel under the Apache 2.0 license are available. Pricing is per active contributor, with a free workspace that does not expire.

About OctoPunk

We've been living inside a browser tab for ten years. GitHub is where the work happens, so the work has been stuck in Chrome, Firefox, or ( shivers ) Internet Explorer. Tab 14 is a pull request, tab 22 is an issue we meant to triage three days ago, the notifications bell is red and that means absolutely nothing. OctoPunk is what we built when we couldn't take it anymore. Not a git GUI with a "Create PR" button bolted on, a real client for the GitHub platform.