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langwatch

MCP server

langwatch/langwatch · Enterprise stack · Enterprise

Open-Source Agent Observability & Evals for AI Platform teams. Trace, test, route and govern every agent & coding assistant in the company.

Verified via GitHub API

  • ai
  • analytics
  • datasets
  • evaluation
  • gpt
  • llm
  • observability
  • openai
  • prompt-engineering
  • dspy
  • llmops
  • low-code
  • llm-ops
  • agent-testing
  • observability-platform
  • simulation-testing

Data from GitHub API, refreshed Oct 17, 2026

Stars
4962
Forks
413
License
Apache-2.0
Language
TypeScript
Last commit
Oct 16, 2026
Latest release
langwatch-3.20.1
Release date
Oct 2, 2026
Contributors
38
Open issues
110
GitHub Project website

Works with — from README

MCP
MCP server
Models
Azure OpenAI, Bedrock, Claude, OpenAI

Source: README.md keyword match (stated in README)

langwatch FAQ

Is langwatch free?

langwatch is open source under the Apache-2.0 license. Hosted services and infrastructure may have separate costs.

How popular is langwatch?

langwatch has 4962 GitHub stars as of Oct 17, 2026.

Is there a hosted version of langwatch?

A hosted alternative for langwatch is unknown (—) in this data.

What does langwatch work with?

From README: MCP server, Azure OpenAI, Bedrock, Claude, OpenAI.