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agent-harness
A reusable, product-agnostic AI agent harness on LangChain v1 + LangGraph — composable middleware, filesystem, skills, sub-agents, and multi-provider models, tailored per product via runtime context. Composable, product-agnostic agent harness built on LangChain v1 and LangGraph.
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Python
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ActiveNo testsNo CIThin docsNo licenseNew
InstallSKILLInstall as a Claude Code skill
Universal installANY TOOL
$ npx skillcity@latest jameskanyiri/agent-harnessAuto-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/agent-harness curl -fsSL https://raw.githubusercontent.com/jameskanyiri/agent-harness/main/SKILL.md -o ~/.claude/skills/agent-harness/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.
agent-harness — 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