Groundrule
One rulebook of engineering standards for coding agents
Free featured launchLaunched November 14, 2026 on the Week 46, 2026 board
Quick answer
What is Groundrule?
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.
Key features
- 179 maintained standards grouped into 14 open packs
- Syncs rules into AGENTS.md, CLAUDE.md, Cursor and Copilot files
- Deterministic checks on every change in CI
- Imports standards from an existing handbook or wiki
- CLI and MCP server for agent workflows
- Open source kernel that works offline
Pricing details
Billing is per active contributor, with a free workspace that has no expiry date and Team and Business tiers listed on the official site.
Groundrule at a glance
AI generated reviewBased on what the product's site says, Groundrule addresses a specific pain: coding conventions scattered across reviewers' memories, wikis and inconsistent agent files. It centralizes them, distributes them to several agents and enforces them with checks.
- Best for
- Engineering teams running multiple coding agents across many repositories.
- Not ideal for
- Solo developers with one repository and a short CLAUDE.md file.
Pros
- Single source of truth for several agent file formats
- Starter library of maintained standards
- Open source kernel and offline capable CLI
Cons
- Paid tier prices are not listed in the homepage text
- Value grows with team size, so small projects benefit less
- Enforcement benefits depend on CI being set up
Verdict
Groundrule is a focused answer to keeping agent written code consistent across a team. Small projects may find a hand maintained instructions file enough.
AI generated from Groundrule’s own public pages on November 13, 2026, not yet checked by an editor. It is not a Techavy rating and carries no score. How we review
User reviews
No user reviews yet. Used Groundrule? Upvote it above and check back as reviews open.
Groundrule FAQ
What is 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.
How much does Groundrule cost?
Groundrule uses a freemium pricing model. A free tier is available. Check the official site for current prices.
Alternatives to Groundrule
All Groundrule alternativesTechavy is reader and maker supported. Some links are affiliate or sponsored and are labelled as such. This never changes a rating or an editorial ranking. See our methodology.