langfuse — Environment Profile

Generated: 2026-05-22

OS

• Platform: darwin
• Version: macOS host, shell zsh

Runtime

• Language: Node.js
• Version: v25.9.0
• Toolchain: npm 11.12.1

Binary

• Entry point: ./node_modules/.bin/langfuse
• Version: langfuse-cli 0.0.10
• Resolved path: /Users/roman/Documents/Languse/node_modules/.bin/langfuse

Non-Interactive Flags

• --curl: previews the curl command without executing API calls.

Output Format Flags

• --json: outputs API command results as JSON.
• --curl: outputs a curl preview instead of executing the API request.

Config

• LANGFUSE_PUBLIC_KEY: Langfuse public key for API authentication.
• LANGFUSE_SECRET_KEY: Langfuse secret key for API authentication.
• LANGFUSE_HOST: Langfuse host URL. Defaults to https://cloud.langfuse.com.
• LANGFUSE_BASE_URL: alternate host environment variable supported by the docs.
• --public-key <key>: inline public key.
• --secret-key <key>: inline secret key.
• --host <url>: inline host URL.
• --env <path>: load environment variables from a file.

Timeout Method

• subprocess.run(timeout=N) or shell-managed process timeout; GNU timeout is not assumed on macOS.

Source

• Langfuse docs page: https://langfuse.com/docs/api-and-data-platform/features/cli
• GitHub README: https://github.com/langfuse/langfuse-cli
• Local package manifest: /Users/roman/Documents/Languse/node_modules/langfuse-cli/package.json
• Local package README: /Users/roman/Documents/Languse/node_modules/langfuse-cli/README.md
• CLI help output from ./node_modules/.bin/langfuse --help and ./node_modules/.bin/langfuse api --help