CommonRig
Read-only catalogue for an agent operating kit for Claude Code and Codex: kit contents, free sample, price quotes and x402 payment terms. No auth.
Hosted MCP Server
npx add-mcp 'https://commonrig.com/mcp'Installs into Claude Code, Codex, Cursor and more
Documentation
CommonRig
An agent operating kit for Claude Code and Codex: 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 and/or Codex, 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
What's new in each rule pack
- 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