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styxx
Cognitive observability for LLM agents. Cognometric instruments + self-healing reflex (F10) + MCP server. Pure-Python, MIT, no LLM required. 9-for-9 on K=1 phase transition. Every Mind Leaves Vitals (DOI 10.5281/zenodo.19777921).
7stars
1forks
Python
ai-safetycognometryguardrailshallucination-detectionhalubenchhaluevalllmllm-safetymit-licensenlipythonrag
Quality signals
ActiveNo testsNo CIThin docsNo licenseNew
InstallMCP + SKILLInstall as a Claude Code skill
Universal installANY TOOL
$ npx skillcity@latest fathom-lab/styxxAuto-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/styxx curl -fsSL https://raw.githubusercontent.com/fathom-lab/styxx/main/SKILL.md -o ~/.claude/skills/styxx/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.
styxx — 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