● Covered by 1 source · 1 reportLow impact1 neutral
Cursor Bridge enables free Claude Code usage for Cursor subscribers
Key points
- Cursor Bridge routes Claude Code CLI requests through Cursor's backend.
- Eliminates separate Anthropic API costs for Cursor subscribers.
- Provides Claude Code's agent features like file editing and tool use.
- Operates as a single binary with no daemon or manual configuration.
Free Claude Code Access for Cursor Subscribers
Cursor Bridge is a new Rust binary that enables users with a Cursor subscription to run Claude Code (the CLI) without incurring separate costs for Anthropic API credits or a Claude Pro plan. It leverages Cursor's included 'Auto model' which is free and unlimited with a subscription, effectively making Claude Code usage free for these users.
Simplified Integration and Functionality
The tool operates by starting a local HTTP proxy, reading the Cursor authentication token, and then spawning the `claude` CLI with environment variables pointing to this proxy. The proxy translates Anthropic API calls to the Cursor agent CLI, and cleans up automatically upon exit. This design eliminates the need for manual proxy management, environment variables, or background servers.
Use Cases and Benefits
Key use cases include allowing existing Cursor subscribers to access Claude Code's agent capabilities, such as file editing, shell commands, and tool use, without additional billing from Anthropic. The Cursor Bridge binary replaces the `claude` command entirely, managing the proxy lifecycle internally and cleaning up after the session.
Prerequisites and Installation
To use Cursor Bridge, users need Cursor installed with the `agent` CLI authenticated, and the Claude Code CLI (`claude`) installed. Installation involves running `cargo install cursor-bridge` or downloading a binary release. On macOS, the Cursor auth token is read from the keychain, while on Linux, the `CURSOR_TOKEN` environment variable must be set.
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Primary sources
GitHub cmc_internal/api GitHub github/collect GitHub hkc5/cursor-bridge GitHub _private/browser GitHub get-started/accessibility GitHub open-source/sponsorsReporting from
Cursor Bridge, a new Rust binary, allows Cursor subscribers to use Claude Code's CLI without additional Anthropic API costs by routing requests through their existing Cursor subscription. This tool simplifies access to Claude Code's agent capabilities, such as file editing and shell commands, for Cursor users.