convention.sh
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Stop your AI agents from writing sloppy TypeScript.
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Same task. Half the cost. Less than half the time.
Building the same TypeScript module with and without convention.sh, on the same agent and model. Conventions land in context just-in-time, so the agent doesn't thrash.
Each metric, normalized so the baseline run is 100%. Shorter is better.
Start free for personal projects. Upgrade when you ship commercial work.
For personal, non-commercial projects. No credit card required.
- Hosted MCP endpoint
- All built-in conventions
- Personal, non-commercial use only
- Free tier rate limits apply
- Commercial useStart free
Commercial use, billed annually. One developer.
- Commercial use, 1 developer
- No rate limits
- Custom convention packs
- Priority support
Commercial use, billed annually. Unlimited developers at one organization.
- Commercial use, unlimited developers
- Single organization
- No rate limits
- Org-scoped tokens
- Priority support
convention.sh runs as a hosted MCP server. Your agent asks for the convention it needs, when it needs it.
Instead of stuffing a wall of rules into every prompt, agents pull one snippet from our library of 27 only when they need it — so you pay for the tokens you actually use, not the ones you might.
Strict typing, no any, validate untrusted input with Zod, prefer discriminated unions over optional fields. The rules that used to live in a wiki nobody reads.
Standard Model Context Protocol — drop it into Claude Code, Codex, Cursor, Amp, or anything else that speaks MCP.
Conventions live on our hosted MCP server. We ship a new rule, your agents pick it up on the next request — no PRs, no redeploys, no stale copies across machines.
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