Best Open-Source Agents to Self-Host

Open-license projects with active maintenance and enough evidence for a first-pass technical review. Updated from the same generated registry data as the leaderboard, so the list changes with every cron refresh.

16Agents in slice
88Average HVTrust
16Updated in last 14 days

Trust Shape

Safety79%Identity100%Transparency82%Maintenance95%Adoption87%

Activity Signals

Popularity23%Commit Activity80%Freshness98%Scorecard64%Signed Commits87%
AgentCategoryGradeRankHVTrustFresh
Haystackdeepset-ai/haystack Agent Frameworks A #2 93.9 2d
Strands Agentsstrands-agents/harness-sdk Agent Frameworks A #4 91.6 1d
Trigger.devtriggerdotdev/trigger.dev Workflow Platforms A #8 90.5 1d
Playwright MCPmicrosoft/playwright-mcp MCP Servers A #10 89.7 4d
A2A / Agent2Agent Protocola2aproject/A2A Protocols & Tool Integration A #13 88.7 2d
LiveKit Agentslivekit/agents Voice & Conversational A #14 88.7 1d
Cloudflare Agentscloudflare/agents Agent Frameworks A #15 88.7 2d
MLflowmlflow/mlflow Observability & Evaluation A #17 88.2 1d
PydanticAIpydantic/pydantic-ai Agent Frameworks A #19 87.5 1d
Botpressbotpress/botpress Workflow Platforms A #21 86.9 2d
LanceDBlancedb/lancedb Memory & Knowledge A #22 86.9 1d
Doclingdocling-project/docling Research & Data A #23 86.7 2d
XcodeBuildMCPgetsentry/XcodeBuildMCP MCP Servers A #26 86.5 1d
Weights & Biases Weavewandb/weave Observability & Evaluation A #27 86.4 2d
Stagehandbrowserbase/stagehand Browser & Computer Use A #28 86.4 2d
DawnAIcacheplane/dawnai Agent Frameworks A #29 86.3 3d