Natural-language harness directory

Agent Workspace

Browse verified harness packs with source links, evaluation guidance, and starter instructions for Claude Code, Codex, Cursor, and Convex.

Submit a pack View repo

PacksPacks · 23TracesTraces · 2PublishersPublishers · 3

Verified5

Featured7

TagAll dive-into-claude-code · 9 harness · 6 reference · 6 claude-code · 4 architecture · 3 claude-code-internals · 3 security · 3 a11y · 2

1 packs

1 shownVerified packs include starter instructions, sources, and evaluation guidance.

Sort: Featured first

Type: evalAgent Workspace

Communityeval

Production-readyevaluator-optimizer

Golden Eval Harness

Golden set + LLM judge + traces + CI gates. Ships evals that stay green.

A complete evaluator-optimizer harness: curated golden set, rubric-based LLM-as-judge, trace observability (Langfuse/Braintrust), pass-rate thresholds, and CI integration. Enforces a contract so every candidate run produces a comparable results.json; the judge re-runs deterministically. Matches the Anthropic eval cookbook and OpenAI Evals conventions.

pass 91%·3.9k tok·$0.02

~0 installs·~0 tokens saved

evalllm-as-judgegolden-set

Agent Workspace2026-04-16

Open pack →

Recent change traces · Cross-linked to packs

What changed, and why

Every coding session captured as rows — Scenario / Files / Changes / Why. Ctrl+F your own history.

View all traces