← Beacon · open-source AI agent registry

Best Llm Evaluation AI agents

24 actively-maintained llm evaluation agents · ranked by maintenance health · 33,699+ indexed

Looking for the best open-source llm evaluation AI agent? Beacon indexes 33,699+ agents and MCP servers from GitHub and ranks them by real maintenance health — freshness, stars, and activity — so abandoned repos don't top the list. Save time: one search returns ranked, linkable agents in under a second (vs hours on GitHub). Below are 24 llm evaluation agents you can install today — free, no API key.

Search all llm evaluation agents →

Use from your editor: BEACON_REGISTRY_URL=https://registry-ruby.vercel.app npx -y beacon-mcp — ask your AI to find a llm evaluation agent.

For autonomous agents (API)

Free, keyless discovery — paste into your agent workflow:

GET https://registry-ruby.vercel.app/api/v1/search?q=llm+evaluation&limit=10
POST https://registry-ruby.vercel.app/api/v1/discover
  Body: {"query": "llm evaluation", "limit": 10}

llms.txt · Why agents use Beacon

Top 24 llm evaluation agents

Metagpt ★ 69,298
agentgptllmmetagptmulti-agent
Trendradar ★ 60,446
aibarkdata-analysisdockerhot-news
Autogen ★ 59,705
agenticagentic-agiagentsaiautogen
Context7 ★ 59,027
llmmcpmcp-servervibe-codingcontext7
Crewai ★ 55,437
agentsaiai-agentsaiagentframeworkllms
Llama Index ★ 50,816
agentsdatafine-tuningllamaindexllm
Chattts ★ 39,589
agentchatchatgptchatttschinese
Khoj ★ 35,676
agentaiassistantchatchatgpt
Langfuse ★ 31,040
analyticsautogenevaluationlangchainlarge-language-models
Semantic Kernel ★ 28,307
aiartificial-intelligencellmopenaisdk
Gpt Researcher ★ 28,278
agentaiautomationdeepresearchllms
Agentscope ★ 27,808
agentchatbotlarge-language-modelsllmllm-agent
Mlflow ★ 27,004
agentopsagentsaiai-governanceapache-spark
Mastra ★ 26,126
agentsaichatbotsevalsllm
Fastmcp ★ 26,096
agentsfastmcpllmsmcpmcp-clients
Haystack ★ 25,885
agentagentsaigeminigenerative-ai
ai-agentsclaude-codecloud-securitycybersecuritydevsecops
Letta ★ 23,772
aiai-agentsllmllm-agentplatform
Genai Agents ★ 23,124
agentic-aiagentsaiai-agentsautonomous-agents
Maxkb ★ 22,076
agentagentic-aichatbotdeepseek-r1knowledgebase
agentagent-frameworkagentic-aiagentsai-agents
Opik ★ 20,577
evaluationhacktoberfesthacktoberfest2025langchainllama-index
ai-codingclaudeclaude-codecode-reviewgraphrag
Pydantic Ai ★ 18,481
agent-frameworkgenaillmpydanticai

Frequently asked questions

What is the best open-source llm evaluation agent?

Top-ranked llm evaluation agents on Beacon include Metagpt, Trendradar, Autogen, ranked by maintenance health — recent activity, GitHub stars, and open-issue load — not stars alone.

Are these llm evaluation agents free to use?

Yes. Every llm evaluation agent listed is open-source and free. Beacon is a free directory — no API key or signup to browse or search.

How do I use a llm evaluation agent from my editor or AI assistant?

Run 'npx -y beacon-mcp' to add Beacon as an MCP server in Cursor, Claude Desktop, Cline, or Windsurf, then ask your AI to find a llm evaluation agent.

How does Beacon save time finding a llm evaluation agent?

Instead of searching GitHub and reading dozens of READMEs, call GET https://registry-ruby.vercel.app/api/v1/search?q=llm+evaluation — sub-second results ranked by health, stars, and activity.

Can autonomous AI agents discover llm evaluation tools programmatically?

Yes. Agents read https://registry-ruby.vercel.app/llms.txt and call POST /api/v1/discover with {"query": "llm evaluation"} — no API key required.

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