harness-engineering skills

416 tagged harness-engineering, measured the same way as everything else here.

Browse within: claude-code-plugin 231skills 207agent 162harness 155agent-harness 125antigravity-skills 116brainstorming 116human-in-the-loop 116sdd 80context-engineering 67eval 55spec 55LLM 53agents 44

harness-creator

01

walkinglabs/learn-harness-engineering

Skill Codex

Build, audit, and improve harnesses that make AI coding agents reliable: AGENTS.md/CLAUDE.md instruction files, feature/state tracking, verification gates, scope boundaries, session handoff, memory persistence, context budgets, tool-permission safety, and multi-agent coordination. Use this whenever a coding agent is…

not rated 20k +307 15d ago A Socket: passSnyk: passSkillSpector: pass 142 tokens original MIT

mcp-builder

02

HKUDS/DeepCode

Skill Claude CodeCodex

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

not rated 17k +18 2d ago A SkillSpector: warn 61 tokens original MIT

capabilities

03

chaitanyagiri/munder-difflin

Skill Claude Code

Your capability catalog — read this at boot. Lists the temporal date-range skills and the external integrations (reached via the loopback broker) available to you as a spawned worker, and exactly how to call each. Read-only. Consult it whenever you're unsure what tools/integrations you have or how to invoke them.

not rated 8.7k 5d ago A SkillSpector: pass 69 tokens original MIT

comet-build

04

rpamis/comet

Skill Codex

A Comet workflow step for turning an approved design into an implementation plan and completed code changes. Comet is the project workflow system described by the add-on.

not rated 3.2k +25 changed 12d ago A Socket: passSnyk: passSkillSpector: pass 36 tokens original MIT

datachain-knowledge

05

datachain-ai/datachain

Skill Claude CodeCodex

Use whenever datasets, cloud storage buckets, or data pipelines are mentioned — creating, saving, querying, listing, exploring, deleting, or processing data in S3, GCS, Azure Blob, or local storage. Also use when running any script that may create datasets as a side effect. Maintains a knowledge base at dc-knowledge/…

not rated 2.8k +1 changed 20d ago A SkillSpector: pass 104 tokens original Apache-2.0

cua-driver

07

melandlabs/openloomi

Skill Claude CodeCodex

Drive a native macOS app via the cua-driver CLI (default) or MCP server — snapshot its AX tree, click/type/scroll by elementindex, verify via re-snapshot. Use when the user asks you to operate, drive, automate, or perform a GUI task in a real macOS application on the host (e.g. "open a file in TextEdit", "navigate to…

not rated 1.0k +5 22d ago A SkillSpector: warn 96 tokens original Apache-2.0

exchange-recovery

09

openbkn-ai/bkn-foundry

Skill Claude CodeCodex

A recovery workflow for Exchange servers, which are systems used for organisational email and calendars. It covers planning a restoration from backups, creating a recovery job, and checking whether the service works afterward.

not rated 712 +62 today A 0 tokens

keli-wen/agentic-harness-patterns-skill

Skill Claude Code

A Chinese-language guide to designing the supporting systems around AI coding agents, including memory, permissions, context, delegation, reusable skills, hooks, and startup behavior.

not rated 305 6mo ago A 37 tokens original MIT

review

11

Stanshy/AgentHub

Skill Claude Code

L1 internal review with auto-detection, design comparison, and Gate escalation path.

not rated 203 +1 6mo ago A 18 tokens original MIT

SuperagenticAI/metaharness

Skill Claude CodeCodex

Run metaharness from an Omnigent agent to optimize harness files in the current workspace. Use when a host wants the metaharness kernel without wrapping a proprietary proposer.

not rated 174 +1 1mo ago A 41 tokens

distribution-search

14

lazyFrogLOL/Harness_Engineering

Skill Claude CodeCodex

Guidance for finding probability distributions that satisfy specific statistical constraints such as KL divergence targets, entropy requirements, or moment conditions. This skill should be used when tasks involve constructing discrete or continuous probability distributions with specified divergence measures, entropy…

not rated 128 5mo ago A 58 tokens

OdradekAI/harness-engineering-guide

Skill Claude CodeCodex

Audit, design, and implement AI agent harnesses for any codebase. A harness is the constraints, feedback loops, and verification systems surrounding AI coding agents — improving it is the highest-leverage way to improve AI code quality. Three modes: Audit (scorecard), Implement (set up components), Design (full…

not rated 125 6mo ago A 182 tokens original Apache-2.0

harness-24h

16

thu-nmrc/OpenHarness

Skill Claude CodeCodex

A production-grade framework for long-running, autonomous agents based on Harness Engineering principles. Features three-layer self-healing memory, circuit breaker protection, KAIROS dream-mode consolidation, and multi-agent coordination. When a user describes a task idea, Agent automatically initializes the…

not rated 118 +1 6mo ago A 76 tokens

hk-mock-first

17

deepklarity/harness-kit

Skill Claude Code

Mock-first, layer-by-layer feature development. Instead of building a feature end-to-end and hoping the interface works, start by mocking at the user-facing surface with realistic data, get user acceptance on the experience, then deepen one complexity layer at a time with TDD. Everything is anchored on disk so work…

not rated 100 3mo ago A SkillSpector: pass 126 tokens original MIT

task-final-report

18

postmelee/hyper-waterfall

Skill Claude CodeCodex

Apply the final report and PR publication procedure for a Hyper-Waterfall task. Write the final report (report.md), mark the daily task board complete, create the final commit, push the remote publish/task{N} branch, and create an Open PR to {BASEBRANCH}. Invoke only immediately before PR publication after all stages…

not rated 82 +1 3mo ago A SkillSpector: pass 74 tokens original MIT

deep-interview

19

tranhieutt/software_development_department

Skill Claude Code

Conducts a structured technical deep-dive to gather detailed requirements, constraints, and decisions from the user. Use when starting a complex feature or when the user wants to be asked structured clarifying questions before implementation.

not rated 72 5mo ago A 46 tokens original MIT

karpathy-guidelines

20

hyyhf/agent-book-code

Skill Claude CodeCodex

Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.

not rated 59 12d ago A 46 tokens copy · 91% MIT

RichmondAlake/agent_harness_course

Skill Claude CodeCodex

Refresh the operational-to-ontology projection, validate class and property contracts, enrich changed nodes for semantic search, and inspect Oracle Scheduler evidence.

not rated 35 +1 15d ago A 33 tokens

self-improvement

22

alleneee/skill-agent

Skill Claude CodeCodex

A process for recording useful lessons from unexpected failures, user corrections, missing abilities, and reusable project patterns.

not rated 27 6mo ago A Socket: passSnyk: pass 60 tokens

broomva/harness-engineering

Skill Codex

Implement OpenAI Harness Engineering practices in any repository. Use when setting up or refactoring agent-first workflows, writing or upgrading AGENTS.md and PLANS.md, creating deterministic smoke/test/lint/typecheck harness commands, defining strict architecture boundaries and data-shape contracts, wiring…

not rated 26 3mo ago A Socket: warnSnyk: pass 81 tokens original MIT

daily-news-digest

24

Komagon/hermes-production-patterns

Skill Claude CodeCodex needs its repo

A scheduled news workflow that reads RSS feeds, which are machine-readable lists of new articles, creates Chinese summaries, and checks their quality.

not rated 17 changed 1mo ago A SkillSpector: pass 35 tokens original MIT

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