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trace2skill
Harness-agnostic framework for evolving agent skills from real trajectories. Implementation of Trace2Skill: Distill Trajectory-Local Lessons into Transferable Agent Skills ([arXiv:2603.25158](https://arxiv.org/abs/2603.25158)).
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Python
Quality signals
ActiveNo testsNo CIThin docsNo licenseNew
InstallSKILLInstall as a Claude Code skill
Universal installANY TOOL
$ npx skillcity@latest Hert4/trace2skillAuto-detects the skill or MCP server in this repo and installs it for Claude Code, Codex, Cursor, Cline, OpenCode, Gemini CLI, Anti-Gravity, OpenClaw and Hermes.
Requires Node.js 18+ (ships with npx).
Or install manually
# Install into ~/.claude/skills/ mkdir -p ~/.claude/skills/trace2skill curl -fsSL https://raw.githubusercontent.com/Hert4/trace2skill/main/SKILL.md -o ~/.claude/skills/trace2skill/SKILL.md
Loading README…
Ask a simulated agent to run this skill. It loads the real SKILL.md and reasons over your task with NVIDIA.
trace2skill — sandboxAI sandbox
Pick a quick prompt below or type your own — watch the agent execute this skill step by step.
guest@skillcity:~$Try a prompt