Agent Harness Skills

Designs agent-ready repository harnesses with entrypoints, validation surfaces, runtime evidence, delivery records, and atomic commit guidance.

agent-harness-skills-contributors/agent-harness-skills · v0.2.0 · Development & Workflow

Agent Harness Skills contributorsreview

Install Source Claim this plugin

Trust Score

75

Security

71

Surfaces

5

What is Agent Harness Skills?

Agent Harness Skills is a published development & workflow plugin for AI coding agents in the codex ecosystem, developed by Agent Harness Skills contributors and distributed through the HOL AI plugin registry. Designs agent-ready repository harnesses with entrypoints, validation surfaces, runtime evidence, delivery records, and atomic commit guidance.

Canonical slug: agent-harness-skills-contributors/agent-harness-skills
Version: v0.2.0 · updated Sep 20, 2026
Open data: entity.json (JSON-LD)

Trust & Reputation

HOL Trust Score

75

Factor Analysis

Per-metric points (0–100 each) combined via a weighted average into the overall score.

Installability

76pts

Maintenance

80pts

MCP Posture

100pts

Plugin Security

71pts

Provenance

70pts

Publisher Quality

75pts

Registry Snapshot

Repository: https://github.com/yfge/agent-harness-skills
Homepage: https://github.com/yfge/agent-harness-skills
Canonical profile: https://hol.org/registry/plugins/agent-harness-skills-contributors%2Fagent-harness-skills
Publisher verification: No
Marketplace source: Unknown
Scanner: Broker fallback
Safety label: review
Digest verified: Yes

5 bundled skills — copy or download SKILL.mdOpen skills

Trust & reputation

Trust & Reputation

HOL Trust Score

75

Factor Analysis

Per-metric points (0–100 each) combined via a weighted average into the overall score.

Installability

76pts

Maintenance

80pts

MCP Posture

100pts

Plugin Security

71pts

Provenance

70pts

Publisher Quality

75pts

Provenance

Plugin root: .
Source repo: https://github.com/yfge/agent-harness-skills
Source commit: cbc6910e76cb…
Publisher verified: No
Owner verified: Not owner verified

Continuous scanner CI detected

No action is required. This plugin receives the full trust score.

Verified badge not detected

Add the HOL verified badge to the repository README to score +2% trust. Plugin owners can open that pull request from Guard Plugins.

Security Posture

review

Safety label

71

Security score

0

High findings

Provider: registry-broker-fallback
Grade: C · review
Version: Unknown

cisco-skill-scanner: unknown

Findings

mediumpublishabilitypublishability.link.missing.privacyPolicyURL

privacyPolicyURL should be present for marketplace readiness.

mediumpublishabilitypublishability.link.missing.termsOfServiceURL

termsOfServiceURL should be present for marketplace readiness.

lowoperational-securitysupply-chain.lockfile-missing

Repository snapshot does not include a lockfile.

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

Agent Harness Skills — Frequently asked questions

What is Agent Harness Skills?: Agent Harness Skills is an AI plugin in the HOL registry. Designs agent-ready repository harnesses with entrypoints, validation surfaces, runtime evidence, delivery records, and atomic commit guidance.
How do I install Agent Harness Skills?: Install Agent Harness Skills in your harness: Codex — codex plugin marketplace add yfge/agent-harness-skills; Claude Code — /plugin marketplace add yfge/agent-harness-skills; Cursor — npx skills add yfge/agent-harness-skills. Full step-by-step guidance is on the HOL plugin page.
How do I install Agent Harness Skills in Codex?: To install Agent Harness Skills in Codex, start with codex plugin marketplace add yfge/agent-harness-skills. The complete step-by-step install guide for Codex is on the HOL plugin page.
How do I install Agent Harness Skills in Claude Code?: To install Agent Harness Skills in Claude Code, start with /plugin marketplace add yfge/agent-harness-skills. The complete step-by-step install guide for Claude Code is on the HOL plugin page.
How do I install Agent Harness Skills in Cursor?: To install Agent Harness Skills in Cursor, start with npx skills add yfge/agent-harness-skills. The complete step-by-step install guide for Cursor is on the HOL plugin page.
Is Agent Harness Skills free?: Pricing for Agent Harness Skills is published on its HOL plugin page when the maker schedules a launch.
Who publishes Agent Harness Skills?: Agent Harness Skills is published by Agent Harness Skills contributors and listed on HOL.
Is Agent Harness Skills available now?: Agent Harness Skills availability is listed on its HOL plugin page.

Install Guidance

Install in Claude Code

Install through the Claude Code plugin marketplace.

Claude Code plugin docs

1
Add the marketplace
Run this inside a Claude Code session.
claude code
2
Install the plugin
Use the plugin name and the marketplace name shown by the previous command.
claude code
3
Scripted alternative
Non-interactive equivalent for scripts and CI pipelines. Add --scope project to pin the install to one repository.
shell

Plugin Manifest

{
  "id": "agent-harness-skills",
  "name": "agent-harness-skills",
  "version": "0.2.0",
  "description": "Reusable skills for building agent-ready repository harnesses.",
  "author": {
    "name": "Agent Harness Skills contributors"
  },
  "homepage": "https://github.com/yfge/agent-harness-skills",
  "repository": "https://github.com/yfge/agent-harness-skills",
  "license": "MIT",
  "skills": "./",
  "interface": {
    "displayName": "Agent Harness Skills",
    "developerName": "Agent Harness Skills contributors",
    "shortDescription": "Repo harness practices for agent-ready engineering work",
    "longDescription": "Use Agent Harness Skills as a compact methodology plugin to assess and design repository harnesses: entrypoint and role mapping, mechanical contracts, structural quality, validation surfaces, runtime evidence, and optional work-state and delivery governance.",
    "category": "Coding",
    "websiteURL": "https://github.com/yfge/agent-harness-skills",
    "brandColor": "#2F6FED",
    "composerIcon": "./assets/icon.svg",
    "capabilities": [
      "Interactive",
      "Read",
      "Write"
    ],
    "defaultPrompt": "Assess this repository's agent harness maturity."
  },
  "keywords": [
    "agent-harness",
    "skills",
    "repository",
    "validation",
    "codex-plugin",
    "methodology",
    "templates",
    "runtime-evidence",
    "delivery"
  ],
  "registryIndexVersion": 5
}

Marketplace Source

Repo URL: https://github.com/yfge/agent-harness-skills
Marketplace path: Unknown
Source path: plugins/yfge/agent-harness-skills
Install policy: AVAILABLE

Skills

5 SKILL.md files ship with this plugin. Preview, copy, or download each one, then install them with the Skills CLI.

skills-cli

repo-contracts-and-boundaries
skills/repo-contracts-and-boundaries/SKILL.md
Use when turning architecture, layering, ownership, dependency direction, schemas, structural metrics, quality thresholds, baselines, allowlists, or generated quality snapshots into repository checks.
Raw SKILL.md
SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.
repo-harness-assessment
skills/repo-harness-assessment/SKILL.md
Use when evaluating repository agent-readiness, mapping harness roles, choosing the next smallest improvement, or designing and reconciling agent entrypoints such as AGENTS.md, CLAUDE.md, GEMINI.md, Cursor rules, or GitHub instructions.
Raw SKILL.md
SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.
runtime-evidence-and-tracing
skills/runtime-evidence-and-tracing/SKILL.md
Use when connecting observed behavior, logs, metrics, request IDs, run IDs, screenshots, traces, external dependency results, or artifacts into a runtime evidence loop.
Raw SKILL.md
SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.
validation-harness-design
skills/validation-harness-design/SKILL.md
Use when designing repository validation commands, doctor scripts, test matrices, JSON or JUnit outputs, CI gates, smoke checks, or harness command surfaces.
Raw SKILL.md
SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.
work-state-and-delivery
skills/work-state-and-delivery/SKILL.md
Use when designing or reconciling design docs, task boards, external trackers, execution plans, delivery records, handoffs, review evidence, task-to-change traceability, or repository commit-coupling policy.
Raw SKILL.md
SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

File Inventory

.claude-plugin/plugin.json

file

486 bytes

9181492da6cad32a…

.codex-plugin/plugin.json

plugin-manifest

1,228 bytes

072792f5037b08ee…

.cursor-plugin/plugin.json

file

552 bytes

dab1861d6c14a547…

.opencode/plugins/agent-harness-skills.js

file

2,898 bytes

23070fb0b0d82bf5…

AGENTS.md

file

2,313 bytes

27ff4ec3db8881dc…

assets/icon.svg

asset

711 bytes

a3e315214559e84d…

gemini-extension.json

file

176 bytes

94e6b5448d1f2d6d…

GEMINI.md

file

627 bytes

1142402c575a4313…

package.json

file

1,106 bytes

772e5b523f908813…

README.md

file

11,815 bytes

580015803d6002ec…

SECURITY.md

file

1,546 bytes

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skills/repo-contracts-and-boundaries/references/build-when-missing.md

skill

2,349 bytes

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skills/repo-contracts-and-boundaries/references/quality-policy.md

skill

1,533 bytes

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skills/repo-contracts-and-boundaries/references/schema-fixture-contracts.md

skill

1,149 bytes

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skills/repo-contracts-and-boundaries/SKILL.md

skill

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skills/repo-harness-assessment/references/build-when-missing.md

skill

2,485 bytes

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skills/repo-harness-assessment/references/entrypoint-policy.md

skill

1,403 bytes

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skills/repo-harness-assessment/SKILL.md

skill

5,209 bytes

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skills/runtime-evidence-and-tracing/references/build-when-missing.md

skill

2,086 bytes

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skills/runtime-evidence-and-tracing/references/runtime-profile-policy.md

skill

1,111 bytes

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skills/runtime-evidence-and-tracing/SKILL.md

skill

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skills/validation-harness-design/references/build-when-missing.md

skill

2,024 bytes

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skills/validation-harness-design/references/environment-bootstrap.md

skill

1,086 bytes

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skills/validation-harness-design/SKILL.md

skill

3,463 bytes

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skills/work-state-and-delivery/references/build-when-missing.md

skill

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skills/work-state-and-delivery/references/delivery-and-commit-policy.md

skill

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skills/work-state-and-delivery/SKILL.md

skill

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