Claude Code Limiter: Self-Hosted Rate Limiter for Shared Claude Code Subscriptions
What It Solves
When multiple developers share one Claude Code Max subscription without usage controls, a single user can exhaust Anthropic's rate limits by sending too many prompts (like 50 prompts in an hour), locking everyone else out for the day. There's no built-in way to prevent this.
Features
- Per-model quotas — e.g., opus: 5/day, sonnet: 25/day, haiku: 50/day per user
- Credit budgets — single daily budget across all models (opus = 10 credits, sonnet = 3, haiku = 1). Users decide how to spend it.
- Sliding 24h windows — no midnight reset gaming
- Time-of-day rules — restrict expensive models to work hours
- Real-time dashboard — live usage feed, per-user breakdowns, usage charts
- Kill switch — instantly revoke a user's access and force logout, remotely
- Tamper-proof — 6 security layers including managed-settings.json enforcement, file permissions, integrity-checking watchdog, and server-side tracking
How It Works
Setup:
- Self-host the server — single Docker command on any VPS, cloud, or your network
- Add users in the dashboard — set their name, limits, credit budget → get an install code
- Install on each machine —
sudo npx @howincodes/claude-code-limiter setup --code CLM-xxx --server https://your-server - Done — the hook checks limits on every prompt via Claude Code's managed-settings.json (highest-priority config, can't be overridden by users)
User experience: When a user exceeds their limit, they see: "Daily opus limit reached. Used 5/5 prompts today. All usage today: opus: 5/5 (0 left) sonnet: 12/25 (13 left) haiku: 3/50 (47 left) Credit balance: 15/100 Switch to another model or try again later."
Technical Details
- Client hook: zero npm dependencies, Node.js built-ins only. Installs into managed-settings.json with
allowManagedHooksOnly: trueso users can't add bypass hooks. - Server: Express + SQLite + vanilla JS dashboard. Single Docker container, single volume mount.
- Offline-capable: hook caches limits locally, works when server is unreachable, syncs when back online.
- Fail-closed: if someone deletes the config files, all prompts are blocked (not allowed).
Links
- GitHub: github.com/howincodes/claude-code-limiter
- npm (client): @howincodes/claude-code-limiter
- npm (server): @howincodes/claude-code-limiter-server
- Docker: ghcr.io/howincodes/claude-code-limiter:latest
Open source. Self-hostable. MIT licensed.
📖 Read the full source: r/ClaudeAI
👀 See Also
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