{"data":{"slug":"langfuse-langfuse","name":"langfuse","tagline":"Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.","github_url":"https://github.com/langfuse/langfuse","owner":"langfuse","repo":"langfuse","owner_avatar_url":"https://avatars.githubusercontent.com/u/134601687?v=4","primary_language":"TypeScript","stars":34763,"forks":3793,"topics":["analytics","autogen","evaluation","langchain","large-language-models","llama-index","llm","llm-evaluation","llm-observability","llmops","monitoring","observability","open-source","openai","playground","prompt-engineering","prompt-management","self-hosted","ycombinator"],"archived":false,"github_pushed_at":"2026-09-18T08:08:19+00:00","maintenance_label":"Very active","stars_delta_30d":2492,"url":"https://www.graphcanon.com/tools/langfuse-langfuse","markdown_url":"https://www.graphcanon.com/tools/langfuse-langfuse.md","api_url":"https://www.graphcanon.com/api/graphcanon/tools/langfuse-langfuse","graph_url":"https://www.graphcanon.com/api/graphcanon/graph?tool=langfuse-langfuse","description":"🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.","homepage_url":"https://langfuse.com","license":"Other","open_issues":906,"watchers":113,"ai_summary":"Langfuse is an open-source platform for evaluating and monitoring large language model applications, offering self-hosting options for local, VM, and Kubernetes environments.","readme_excerpt":"### Self-Host Langfuse\n\nRun Langfuse on your own infrastructure:\n\n- [Local (docker compose)](https://langfuse.com/self-hosting/local): Run Langfuse on your own machine in 5 minutes using Docker Compose.\n\n  ```bash\n  # Get a copy of the latest Langfuse repository\n  git clone --depth=1 https://github.com/langfuse/langfuse.git\n  cd langfuse\n\n  # Run the langfuse docker compose\n  docker compose up\n  ```\n\n- [VM](https://langfuse.com/self-hosting/docker-compose): Run Langfuse on a single Virtual Machine using Docker Compose.\n- [Kubernetes (Helm)](https://langfuse.com/self-hosting/kubernetes-helm): Run Langfuse on a Kubernetes cluster using Helm. This is the preferred production deployment.\n- Terraform Templates: [AWS](https://langfuse.com/self-hosting/aws), [Azure](https://langfuse.com/self-hosting/azure), [GCP](https://langfuse.com/self-hosting/gcp)\n\nSee [self-hosting documentation](https://langfuse.com/self-hosting) to learn more about architecture and configuration options.\n\n> [!TIP]\n> **Self-hosting Langfuse?** Subscribe to the [self-hosting update list](https://langfuse.com/self-hosting#subscribe) to get an email about important features and new releases for open source Langfuse — self-hosting updates only, no marketing.\n\n---\n\n## 🥇 License\n\nThis repository is MIT licensed, except for the `ee` folders. See [LICENSE](LICENSE) and [docs](https://langfuse.com/docs/open-source) for more details.","github_created_at":"2023-05-18T17:47:09+00:00","created_at":"2026-07-07T15:08:47.157938+00:00","updated_at":"2026-09-20T04:28:38.483197+00:00","categories":[{"slug":"evaluation-observability","name":"Evaluation & Observability","url":"https://www.graphcanon.com/categories/evaluation-observability","markdown_url":"https://www.graphcanon.com/categories/evaluation-observability.md","api_url":"https://www.graphcanon.com/api/graphcanon/categories/evaluation-observability"}],"tags":[{"slug":"analytics","name":"analytics"},{"slug":"evaluation","name":"evaluation"},{"slug":"llm-observability","name":"llm-observability"},{"slug":"monitoring","name":"monitoring"},{"slug":"open-source","name":"open-source"},{"slug":"prompt-engineering","name":"prompt-engineering"},{"slug":"prompt-management","name":"prompt-management"},{"slug":"self-hosted","name":"self-hosted"}],"trust":{"provenance":{"is_fork":false,"github_id":642497346,"owner_type":"Organization","methodology":"github_public_v1","parent_repo":null,"near_duplicate_slugs":[]},"computed_at":"2026-09-18T08:08:47.012Z","maintenance":{"label":"Very active","score":96,"methodology":"github_public_v1","releases_90d":30,"days_since_push":0,"last_release_at":"2026-09-17T15:26:11Z","stars_delta_30d":2492,"open_issues_delta_30d":197},"security_summary":{"status":"no_lockfile","scanner":null,"low_count":0,"high_count":0,"last_scan_at":"2026-09-18T08:08:48.851Z","medium_count":0,"scan_profile":"none","critical_count":0}},"capability_facts":{"mcp":{"source":"repo_scan","observed_at":"2026-09-18T08:08:45.776Z","server_manifest":false},"scan":{"source":"repo_scan","observed_at":"2026-09-18T08:08:45.776Z"},"deploy":{"source":"dockerfile:docker-compose.yml","self_host":true,"observed_at":"2026-09-18T08:08:45.776Z","managed_saas":false},"has_cli":{"value":true,"source":"package.json:bin|scripts","observed_at":"2026-09-18T08:08:45.776Z"},"languages":{"value":["typescript","javascript"],"source":"github.language+package.json","observed_at":"2026-09-18T08:08:45.776Z"},"has_docker":{"value":true,"source":"dockerfile:docker-compose.yml","observed_at":"2026-09-18T08:08:45.776Z"},"license_spdx":{"value":"Other","source":"github.license","observed_at":"2026-09-18T08:08:45.776Z"}},"decision_facts":{"hosting":null,"pricing":null,"requirements":null,"constraints":null,"when_to_use":["When you need a self-hosted solution for evaluating and monitoring large language model applications, as Langfuse supports local, VM, and Kubernetes environments.","If you prefer an open-source platform with MIT licensing, except for the `ee` folders, which allows for greater flexibility and customization.","When you require comprehensive observability and evaluation features for LLM applications, including analytics, prompt engineering, and management."],"when_not_to_use":["If you are looking for a fully managed service without the need for self-hosting, as Langfuse requires setting up and maintaining the infrastructure yourself.","When you need enterprise features that are not covered by the open-source version, as the `ee` folders are not open-source and may require additional licensing or services."],"source":"enrich:decision_facts","observed_at":"2026-09-18T12:03:12.816Z"},"constraint_facets":null,"decision_summary":[{"label":"Adopt for","value":"Langfuse is an open-source platform for evaluating and monitoring large language model applications, offering self-hosting options for local, VM, and Kubernetes environments."}]}}