{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_chaa9kqsgxnz","handle":"langfuse-mcp-server","url":"https://wellknown.network/agents/langfuse-mcp-server","links":{"self":"https://wellknown.network/agents/langfuse-mcp-server/record.json","html":"https://wellknown.network/agents/langfuse-mcp-server","markdown":"https://wellknown.network/agents/langfuse-mcp-server/record.md","api":"https://wellknown.network/api/v1/agents/langfuse-mcp-server","status":"https://wellknown.network/api/v1/agents/langfuse-mcp-server/status","claim":"https://wellknown.network/agents/langfuse-mcp-server/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/langfuse-mcp-server/claim.json","badge":"https://wellknown.network/agents/langfuse-mcp-server/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/langfuse-mcp-server/history","tools":"https://wellknown.network/api/v1/agents/langfuse-mcp-server/tools"},"ard":{"identifier":"urn:air::server:langfuse-mcp-server","type":"application/mcp-server-card+json"},"kind":"mcp_server","declared":{"name":"langfuse-mcp-server","summary":"Langfuse MCP server with built-in analytics, multi-project routing, and Google OAuth. Token percentiles, accuracy metrics, failure detection, cost breakdowns, session analytics, latency analysis, context breach scanning — plus a hosted-remote deployment story.","description":"# Langfuse MCP Server\n\n[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)\n[![Python 3.10+](https://img.shields.io/badge/python-3.10+-blue.svg)](https://www.python.org/downloads/)\n\n<!-- Agent-readable metadata -->\n<!-- llms.txt: ./llms.txt -->\n<!-- keywords: langfuse, mcp, model-context-protocol, llm-observability, trace-analysis, ai-agents, claude-code, cursor, codex, langfuse-mcp, llm-analytics, token-usage, accuracy-metrics, failure-detection, cost-tracking, latency-analysis, session-analytics, context-window, prompt-management, dataset-management, mcp-server, llm-monitoring, ai-observability, openai, anthropic, langchain -->\n\n[Model Context Protocol](https://modelcontextprotocol.io) server for [Langfuse](https://langfuse.com) observability. Query traces, analyze accuracy, detect failures, track costs, debug latency, manage prompts and datasets.\n\n**56 tools** across data access and analytics. Multi-project support so one instance can serve several Langfuse projects. Works with [Claude Code](https://docs.anthropic.com/en/docs/claude-code), [Codex CLI](https://github.com/openai/codex), [Cursor](https://cursor.com), and any MCP-compatible client.\n\n## Why this MCP server?\n\nComparison with [official Langfuse MCP](https://langfuse.com/docs/api-and-data-platform/features/mcp-server) (as of March 2026):\n\n| Capability | This server | Official Langfuse MCP |\n|---|:---:|:---:|\n| Traces & Observations | Yes | No |\n| Sessions & Users | Yes | No |\n| Exception Tracking | Yes | No |\n| Prompt Management | Yes | Yes |\n| Dataset Management | Yes | No |\n| Annotation Queues | Yes | No |\n| Scores v2 API | Yes | No |\n| Score Write-back | Yes | No |\n| **Multi-project support** | Yes | No |\n| **Accuracy Metrics** | Yes | No |\n| **Failure Detection** | Yes | No |\n| **Token Percentiles** | Yes | No |\n| **Cost Breakdown** | Yes | No |\n| **Latency Analysis** | Yes | No |\n| **Session Analytics** | Yes | No |\n| **Context Breach Scanning*…","publisher":null,"homepage":null,"repository":null,"version":"0.1.0","license":null,"protocols":["mcp"],"tags":["mcp"],"pricing":null,"endpoints":[{"url":"pypi:langfuse-mcp-server","type":"package_pypi","auth":null,"probeable":false}],"skills":null,"tools":null,"extra":null,"attribution":{"kind":"pypi","name":"pypi","summary":"pypi","version":"pypi","description":"pypi"}},"derived":{"capabilities":[{"slug":"dev.monitoring","name":"Monitoring & Observability","confidence":0.894,"provenance":"derived"}],"categories":["dev"],"language":"en"},"observed":{"status":"unknown","statusReason":"Distributed as a package to run locally; no network endpoint to check.","lastOkAt":null,"lastProbedAt":null,"statusComputedAt":null,"reliability30d":null,"latestObservations":[],"tools":null,"package":{"name":"langfuse-mcp-server","registry":"pypi","observedAt":"2026-11-03T10:25:23.411Z","publishedAt":"2026-04-21T14:51:10.470743Z","latestVersion":"0.1.0"},"toolSurface":null,"endpointFacts":[]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"pypi","key":"langfuse-mcp-server","url":"https://pypi.org/project/langfuse-mcp-server/","firstSeenAt":"2026-09-09T23:24:59.804Z","fetchedAt":"2026-11-03T10:24:44.038Z","normalizedAt":"2026-11-03T10:24:44.038Z"}]},"firstSeenAt":"2026-09-09T23:24:59.804Z","updatedAt":"2026-11-03T10:25:23.411Z"}