# 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.

## Langfuse Skill for AI Coding Agents

Install the Langfuse skill before implementing anything with Langfuse. The skill provides up-to-date documentation, best-practice workflows for instrumentation, prompt management, and programmatic API access via the Langfuse CLI.

Install from: [github.com/langfuse/skills](https://github.com/langfuse/skills/tree/main/skills/langfuse)

## Docs

For the best results, install the [Langfuse skill](https://github.com/langfuse/skills/tree/main/skills/langfuse) before using these docs.

For the full list with links to each page, see: https://langfuse.com/llms-docs.txt

Pages: Docs, Audit Logs, Authentication And Sso, Billable Units, Data Deletion, Data Retention, Llm Connection, Rbac, Scim And Org Api, Spend Alerts, Troubleshooting And Faq, Agent Manager, Agent Skill, Blob Storage Export Fields, Cli, Export From Ui, Export To Blob Storage, Mcp Server, Observations Api, Public Api, Query Via Sdk, Overview, Ask Ai, Cloud, Base, Billing, Free Models, Hardware Runner, Model Gateway, Workspaces, Demo, Docs Mcp, Enterprise, Ai Governance, Audit Trail, Checks, Deployment, Enclave, Iam, Core Concepts, Annotation Queues, Llm As A Judge, Scores Via Sdk, Scores Via Ui, Data Model, Datasets, Experiments Ci Cd, Experiments Via Sdk, Experiments Via Ui, Overview, Data Model, Overview, Score Analytics, Troubleshooting And Faq, Firmware, Agent Tools, Build Flash, Codegen, Compliance, Datasheets, Debug, Getting Started, Hil Testing, Instruments, Mcu Database, Peripheral Catalog, Pin Mux Clock, Project Config, Rtos, Serial Tracing, Svd Registers, Get Started, Glossary, Legacy Migration, Llm Providers, Custom Dashboards, Metrics Api, Overview, Model Management, Modernisation, Audit Bundle, Cutover, Discovery, Getting Started, Migration, Migration Patterns, Planning, Project Config, Session Setup, Validation, Data Model, Agent Graphs, Comments, Corrections, Environments, Log Levels, Masking, Mcp Tracing, Metadata, Multi Modality, Observation Types, Queuing Batching, Releases And Versioning, Sampling, Sessions, Tags, Token And Cost Tracking, Trace Ids And Distributed Tracing, Url, User Feedback, Users, Get Started, Overview, Advanced Features, Instrumentation, Overview, Troubleshooting And Faq, Upgrade Path, Js V3 To V4, Js V4 To V5, Python V2 To V3, Python V3 To V4, Troubleshooting And Faq, Power Mode, Data Model, A B Testing, Caching, Composability, Config, Folders, Github Integration, Guaranteed Availability, Link To Traces, Mcp Server, Message Placeholders, N8n Node, Playground, Prompt Version Control, Variables, Webhooks Slack Integrations, Get Started, Overview, Troubleshooting And Faq, Roadmap, Security And Guardrails, Troubleshooting, Autocomplete Error, Cloud Workspace Required, Connection Failed, Context Exceeded, Custom Headers Invalid, Empty Response, Google Api Key Failed, Invalid Api Key, Ollama Endpoint Empty, Provider Not Available, Rate Limited, Tools Not Supported, Web Mode Unsupported, V4

## Integrations

For the best results, install the [Langfuse skill](https://github.com/langfuse/skills/tree/main/skills/langfuse) before implementing any integration.

For the full list with links to each page, see: https://langfuse.com/llms-integrations.txt

Pages: Integrations, Agentic Data Stack, Coval, Mixpanel, Posthog, Trubrics, Agno Agents, Ai Sdk Cpp, Amazon Agentcore, Autogen, Beeai, Claude Agent Sdk, Claude Agent Sdk Js, Crewai, Dspy, Embabel, Google Adk, Haystack, Instructor, Koog, Langchain, Langchain Deepagents, Langserve, Litellm Sdk, Livekit, Llamaindex, Llamaindex Workflows, Mastra, Microsoft Agent Framework, Mirascope, Openai Agents, Pipecat, Pydantic Ai, Quarkus Langchain4j, Ragas, Restate, Semantic Kernel, Smolagents, Spring Ai, Strands Agents, Swiftide, Temporal, Vercel Ai Sdk, Voltagent, Watsonx Orchestrate, Anannas, Helicone, Kong Ai Plugin, Litellm, Openrouter, Portkey, Truefoundry, Vercel Ai Gateway, Amazon Bedrock, Amazon Bedrock Agents, Anthropic, Anthropic Js, Baseten, Byteplus, Cerebras, Cleanlab, Cohere, Cometapi, Databricks, Deepseek, Fireworks Ai, Google Gemini, Google Vertex Ai, Groq, Huggingface, Mistral Sdk, Novitaai, Ollama, Openai Assistants Api, Openai Js, Openai Py, Qwen, Togetherai, Vllm, Xai Grok, Opentelemetry, Dify, Flowise, Goose, Langdock, Langflow, Lobechat, N8n, Openwebui, Ragflow, Vapi, Claude Code, Cognee, Cursor, Exa, Firecrawl, Gradio, Inferable, Kiro, Librechat, Mcp Use, Milvus, Openclaw, Parallel Ai, Promptfoo, Testable Minds, Weco, Zapier

## Optional: Self-Hosting

For the full list with links to each page, see: https://langfuse.com/llms-self-hosting.txt

Pages: Self Hosting, Administration, Automated Access Provisioning, Headless Initialization, Instance Management Api, Organization Creators, Ui Customization, Configuration, Backups, Caching, Custom Base Path, Encryption, Health Readiness Endpoints, Observability, Scaling, Transactional Emails, Aws, Azure, Docker Compose, Gcp, Blobstorage, Cache, Clickhouse, Containers, Llm Api, Postgres, Kubernetes Helm, Railway, License Key, Authentication And Sso, Data Masking, Deployment Strategies, Networking, Telemetry, Troubleshooting And Faq, Upgrade, Background Migrations, Upgrade V1 To V2, Upgrade V2 To V3, Versioning, V2, Deployment Guide, Docker Compose