# CommonRig

An agent operating kit for Claude Code, Codex and opencode: single-sourced rules, enforcement hooks, a file-based work ledger, protocols, generic skills, a setup prompt and rig doctor.
Status: live.
Card payments are processed by Link (Stripe) as merchant of record. Seller details: https://commonrig.com/terms.

## Tiers (AUD)
- FREE: one protocol and rig doctor --lite footprint score. https://github.com/commonrig/commonrig-sample
- KIT: A$10 one-off, including 3 months of updates. x402: US$6.98 in USDC.
- UPDATES: A$3/month or A$30/year for monthly rule packs and hosted doctor for CI with a licence key.
- PAY-PER-CHECK: A$0.50 per hosted footprint score, x402 USDC or card (x402: US$0.35 in USDC).
x402 USDC prices are the AUD price at a fixed rate of 0.6977 US$ per A$.
Requirements: Claude Code, Codex or opencode (any mix), Python 3.9+, Node 18+.

## Endpoints
- https://commonrig.com/v1 - API index
- https://commonrig.com/v1/kit - product JSON
- https://commonrig.com/v1/sample - orchestration protocol
- https://commonrig.com/.well-known/agent-card.json - A2A agent card (also /.well-known/agent.json); A2A JSON-RPC message/send at https://commonrig.com/a2a
- https://commonrig.com/v1/score - free footprint score: POST {"claude_md": "...", "agents_md": "..."}, same scoring as rig doctor --lite, text not stored. Humans paste at https://commonrig.com/score
- https://commonrig.com/product.jsonld - schema.org Product
- https://commonrig.com/openapi.json - API definition
- https://commonrig.com/skill.md - agent skill file: free score, free plugin, when to buy
- https://commonrig.com/auth.md - no registration or account exists; licence key is the bearer
- https://commonrig.com/checkout - Stripe card (prices include any tax), x402 USDC and BTCPay bitcoin (on-chain; Lightning later) rails
- https://commonrig.com/v1/buy/x402 and https://commonrig.com/v1/check - x402 USDC on Base
MCP Streamable HTTP POST: https://commonrig.com/mcp
Directory MCP POST: https://commonrig.com/mcp/directory (kit_describe, kit_sample, kit_quote; no purchase or payment tools).
Full MCP also lists kit_buy_x402 and doctor_check_x402; both return REST payment resources; MCP does not settle payments.

## Guides
- https://commonrig.com/guides/claude-md-best-practices - CLAUDE.md best practices and a template
- https://commonrig.com/guides/agents-md-vs-claude-md - AGENTS.md example, and AGENTS.md vs CLAUDE.md
- https://commonrig.com/guides/claude-code-hooks-examples - Claude Code hooks examples: block dangerous git, enforce rules
- https://commonrig.com/guides/share-rules-claude-code-codex - One rule set for Claude Code and Codex
- https://commonrig.com/guides/briefing-subagents - Briefing subagents: an orchestration template
- https://commonrig.com/guides/claude-md-too-long - Agent ignores CLAUDE.md? Your file may be too long
- https://commonrig.com/guides/claude-code-settings-permissions - Claude Code settings.json permissions explained
- https://commonrig.com/guides/codex-agents-md-hierarchy - Codex AGENTS.md hierarchy, overrides and size cap
- https://commonrig.com/guides/claude-code-skills-vs-rules - Claude Code skills vs rules: when a skill wins
- https://commonrig.com/guides/parallel-agents-git-worktrees - Parallel agents with git worktrees, safely
- https://commonrig.com/guides/block-destructive-git-agents - Stop AI agents running destructive git commands
- https://commonrig.com/guides/measure-agent-context-cost - Measure and cut agent context cost (token footprint)

## What's new in each rule pack
- https://commonrig.com/updates/2026.11.3 - What's new in rule pack 2026.11.3 (2026-10-30)
- https://commonrig.com/updates/2026.11.2 - What's new in rule pack 2026.11.2 (2026-10-29)
- https://commonrig.com/updates/2026.11.1 - What's new in rule pack 2026.11.1 (2026-10-29)

## Research disclosure
Events record discovery, engagement and transactions. Fields: id, ts, env, day, kind, path, visitor, actor, actor_conf, actor_family, signals, channel, ref_host, ref_class, utm_source, utm_medium, utm_campaign, country, tool, product, rail, amount_minor, currency, order_ref.
Visitor hashes use random weekly salts rotated on Monday UTC. Old salt is deleted; events expire after 400 days. No raw IP, raw UA, email, buyer wallet or query string is stored. Own traffic is flagged. A same-origin beacon sends one interaction and webdriver flag without cookies. Details: https://commonrig.com/privacy

## Refunds and contact
https://commonrig.com/refunds
Terms: https://commonrig.com/terms
Contact: hello@commonrig.com