Langfuse

# Langfuse

> Langfuse is an **open-source LLM engineering platform** ([GitHub](https://github.com/langfuse/langfuse)) that helps teams collaboratively debug, analyze, and iterate on their LLM applications. All platform features are natively integrated to accelerate the development workflow.

## Langfuse Docs MCP Server

Connect to the Langfuse Docs MCP server to access documentation directly in your AI editor:

- **Endpoint**: `https://langfuse.com/api/mcp`
- **Transport**: `streamableHttp`
- **Documentation**: [Langfuse Docs MCP Server](https://langfuse.com/docs/docs-mcp)

The MCP server provides tools to search Langfuse documentation, GitHub issues, and discussions. See the [installation guide](https://langfuse.com/docs/docs-mcp) for setup instructions in Cursor, VS Code, Claude Desktop, and other MCP clients.

## Docs

- [Docs](https://langfuse.com/docs)
- [Audit Logs](https://langfuse.com/docs/administration/audit-logs)
- [Authentication And Sso](https://langfuse.com/docs/administration/authentication-and-sso)
- [Data Deletion](https://langfuse.com/docs/administration/data-deletion)
- [Data Retention](https://langfuse.com/docs/administration/data-retention)
- [Llm Connection](https://langfuse.com/docs/administration/llm-connection)
- [Rbac](https://langfuse.com/docs/administration/rbac)
- [Scim And Org Api](https://langfuse.com/docs/administration/scim-and-org-api)
- [Troubleshooting And Faq](https://langfuse.com/docs/administration/troubleshooting-and-faq)
- [Usage Alerts](https://langfuse.com/docs/administration/usage-alerts)
- [Export From Ui](https://langfuse.com/docs/api-and-data-platform/features/export-from-ui)
- [Export To Blob Storage](https://langfuse.com/docs/api-and-data-platform/features/export-to-blob-storage)
- [Fine Tuning](https://langfuse.com/docs/api-and-data-platform/features/fine-tuning)
- [Public Api](https://langfuse.com/docs/api-and-data-platform/features/public-api)
- [Query Via Sdk](https://langfuse.com/docs/api-and-data-platform/features/query-via-sdk)
- [Overview](https://langfuse.com/docs/api-and-data-platform/overview)
- [Ask Ai](https://langfuse.com/docs/ask-ai)
- [Demo](https://langfuse.com/docs/demo)
- [Docs Mcp](https://langfuse.com/docs/docs-mcp)
- [Annotation](https://langfuse.com/docs/evaluation/evaluation-methods/annotation)
- [Custom Scores](https://langfuse.com/docs/evaluation/evaluation-methods/custom-scores)
- [Data Model](https://langfuse.com/docs/evaluation/evaluation-methods/data-model)
- [Llm As A Judge](https://langfuse.com/docs/evaluation/evaluation-methods/llm-as-a-judge)
- [Data Model](https://langfuse.com/docs/evaluation/experiments/data-model)
- [Datasets](https://langfuse.com/docs/evaluation/experiments/datasets)
- [Experiments Via Sdk](https://langfuse.com/docs/evaluation/experiments/experiments-via-sdk)
- [Experiments Via Ui](https://langfuse.com/docs/evaluation/experiments/experiments-via-ui)
- [Overview](https://langfuse.com/docs/evaluation/experiments/overview)
- [Overview](https://langfuse.com/docs/evaluation/overview)
- [Troubleshooting And Faq](https://langfuse.com/docs/evaluation/troubleshooting-and-faq)
- [Custom Dashboards](https://langfuse.com/docs/metrics/features/custom-dashboards)
- [Metrics Api](https://langfuse.com/docs/metrics/features/metrics-api)
- [Overview](https://langfuse.com/docs/metrics/overview)
- [Data Model](https://langfuse.com/docs/observability/data-model)
- [Agent Graphs](https://langfuse.com/docs/observability/features/agent-graphs)
- [Comments](https://langfuse.com/docs/observability/features/comments)
- [Environments](https://langfuse.com/docs/observability/features/environments)
- [Log Levels](https://langfuse.com/docs/observability/features/log-levels)
- [Masking](https://langfuse.com/docs/observability/features/masking)
- [Metadata](https://langfuse.com/docs/observability/features/metadata)
- [Multi Modality](https://langfuse.com/docs/observability/features/multi-modality)
- [Observation Types](https://langfuse.com/docs/observability/features/observation-types)
- [Queuing Batching](https://langfuse.com/docs/observability/features/queuing-batching)
- [Releases And Versioning](https://langfuse.com/docs/observability/features/releases-and-versioning)
- [Sampling](https://langfuse.com/docs/observability/features/sampling)
- [Sessions](https://langfuse.com/docs/observability/features/sessions)
- [Tags](https://langfuse.com/docs/observability/features/tags)
- [Token And Cost Tracking](https://langfuse.com/docs/observability/features/token-and-cost-tracking)
- [Trace Ids And Distributed Tracing](https://langfuse.com/docs/observability/features/trace-ids-and-distributed-tracing)
- [Url](https://langfuse.com/docs/observability/features/url)
- [Users](https://langfuse.com/docs/observability/features/users)
- [Get Started](https://langfuse.com/docs/observability/get-started)
- [Overview](https://langfuse.com/docs/observability/overview)
- [Overview](https://langfuse.com/docs/observability/sdk/overview)
- [Advanced Usage](https://langfuse.com/docs/observability/sdk/python/advanced-usage)
- [Evaluation](https://langfuse.com/docs/observability/sdk/python/evaluation)
- [Instrumentation](https://langfuse.com/docs/observability/sdk/python/instrumentation)
- [Overview](https://langfuse.com/docs/observability/sdk/python/overview)
- [Setup](https://langfuse.com/docs/observability/sdk/python/setup)
- [Troubleshooting And Faq](https://langfuse.com/docs/observability/sdk/python/troubleshooting-and-faq)
- [Upgrade Path](https://langfuse.com/docs/observability/sdk/python/upgrade-path)
- [Advanced Usage](https://langfuse.com/docs/observability/sdk/typescript/advanced-usage)
- [Instrumentation](https://langfuse.com/docs/observability/sdk/typescript/instrumentation)
- [Overview](https://langfuse.com/docs/observability/sdk/typescript/overview)
- [Setup](https://langfuse.com/docs/observability/sdk/typescript/setup)
- [Troubleshooting And Faq](https://langfuse.com/docs/observability/sdk/typescript/troubleshooting-and-faq)
- [Upgrade Path](https://langfuse.com/docs/observability/sdk/typescript/upgrade-path)
- [Troubleshooting And Faq](https://langfuse.com/docs/observability/troubleshooting-and-faq)
- [Data Model](https://langfuse.com/docs/prompt-management/data-model)
- [A B Testing](https://langfuse.com/docs/prompt-management/features/a-b-testing)
- [Caching](https://langfuse.com/docs/prompt-management/features/caching)
- [Composability](https://langfuse.com/docs/prompt-management/features/composability)
- [Config](https://langfuse.com/docs/prompt-management/features/config)
- [Folders](https://langfuse.com/docs/prompt-management/features/folders)
- [Github Integration](https://langfuse.com/docs/prompt-management/features/github-integration)
- [Guaranteed Availability](https://langfuse.com/docs/prompt-management/features/guaranteed-availability)
- [Link To Traces](https://langfuse.com/docs/prompt-management/features/link-to-traces)
- [Mcp Server](https://langfuse.com/docs/prompt-management/features/mcp-server)
- [Message Placeholders](https://langfuse.com/docs/prompt-management/features/message-placeholders)
- [N8n Node](https://langfuse.com/docs/prompt-management/features/n8n-node)
- [Playground](https://langfuse.com/docs/prompt-management/features/playground)
- [Prompt Version Control](https://langfuse.com/docs/prompt-management/features/prompt-version-control)
- [Webhooks Slack Integrations](https://langfuse.com/docs/prompt-management/features/webhooks-slack-integrations)
- [Get Started](https://langfuse.com/docs/prompt-management/get-started)