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helicone
MCP serverHelicone/helicone · Enterprise stack · Enterprise
Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23
Verified via GitHub API
- large-language-models
- prompt-engineering
- agent-monitoring
- analytics
- evaluation
- gpt
- langchain
- llama-index
- llm
- llm-cost
- llm-evaluation
- llm-observability
- llmops
- monitoring
- open-source
- openai
- playground
- prompt-management
- ycombinator
Data from GitHub API, refreshed Oct 17, 2026
- Stars
- 6226
- Forks
- 684
- License
- Apache-2.0
- Language
- TypeScript
- Last commit
- Sep 16, 2026
- Latest release
- v2025.08.21-1
- Release date
- Aug 21, 2025
- Open issues
- 58
Works with — from README
- MCP
- MCP server
- Models
- Azure OpenAI, Bedrock, Gemini, Ollama, OpenAI
Source: README.md keyword match (stated in README)
helicone FAQ
Is helicone free?
helicone is open source under the Apache-2.0 license. Hosted services and infrastructure may have separate costs.
How popular is helicone?
helicone has 6226 GitHub stars as of Oct 17, 2026.
Is there a hosted version of helicone?
A hosted alternative for helicone is unknown (—) in this data.
What does helicone work with?
From README: MCP server, Azure OpenAI, Bedrock, Gemini, Ollama, OpenAI.