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Harness Kit

Agentic development harness for orchestrating specification, implementation, review, and telemetry across multiple AI coding assistants

romario-beckman/harness-kit · v1.7.0 · Development & Workflow

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Trust Score

74

Security

71

Surfaces

13

What is Harness Kit?

Harness Kit is a published development & workflow plugin for AI coding agents in the codex ecosystem, developed by Romario Beckman and distributed through the HOL AI plugin registry. Agentic development harness for orchestrating specification, implementation, review, and telemetry across multiple AI coding assistants

Canonical slug
romario-beckman/harness-kit
Version
v1.7.0 · updated Oct 1, 2026

Trust & Reputation

HOL Trust Score
74

Factor Analysis

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

Installability
76pts
Maintenance
55pts
MCP Posture
100pts
Plugin Security
71pts
Provenance
70pts
Publisher Quality
75pts

Registry Snapshot

Publisher verification
No
Marketplace source
Unknown
Scanner
Broker fallback
Safety label
review
Digest verified
Yes
13 bundled skills — copy or download SKILL.mdOpen skills

Trust & reputation

Trust & Reputation

HOL Trust Score
74

Factor Analysis

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

Installability
76pts
Maintenance
55pts
MCP Posture
100pts
Plugin Security
71pts
Provenance
70pts
Publisher Quality
75pts

Provenance

Plugin root
.
Source repo
https://github.com/romabeckman/harness-kit
Source commit
ebe881c1217c…
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

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

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Cisco skill scanner timed out after 60000 ms

Harness Kit — Frequently asked questions

What is Harness Kit?
Harness Kit is an AI plugin in the HOL registry. Agentic development harness for orchestrating specification, implementation, review, and telemetry across multiple AI coding assistants
How do I install Harness Kit?
Install Harness Kit in your harness: Codex — codex plugin marketplace add romabeckman/harness-kit; Claude Code — /plugin marketplace add romabeckman/harness-kit; Antigravity CLI — npx skills add romabeckman/harness-kit. Full step-by-step guidance is on the HOL plugin page.
How do I install Harness Kit in Codex?
To install Harness Kit in Codex, start with codex plugin marketplace add romabeckman/harness-kit. The complete step-by-step install guide for Codex is on the HOL plugin page.
How do I install Harness Kit in Claude Code?
To install Harness Kit in Claude Code, start with /plugin marketplace add romabeckman/harness-kit. The complete step-by-step install guide for Claude Code is on the HOL plugin page.
How do I install Harness Kit in Antigravity CLI?
To install Harness Kit in Antigravity CLI, start with npx skills add romabeckman/harness-kit. The complete step-by-step install guide for Antigravity CLI is on the HOL plugin page.
Is Harness Kit free?
Pricing for Harness Kit is published on its HOL plugin page when the maker schedules a launch.
Who publishes Harness Kit?
Harness Kit is published by Romario Beckman and listed on HOL.
Is Harness Kit available now?
Harness Kit 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. 1

    Add the marketplace

    Run this inside a Claude Code session.

    claude code
  2. 2

    Install the plugin

    Use the plugin name and the marketplace name shown by the previous command.

    claude code
  3. 3

    Scripted alternative

    Non-interactive equivalent for scripts and CI pipelines. Add --scope project to pin the install to one repository.

    shell

Plugin Manifest

{
  "name": "harness-kit",
  "version": "1.7.0",
  "description": "Expert skills for TDD, DDD, debugging, code review, orchestration, and project memory.",
  "author": {
    "name": "Romario Beckman",
    "email": "[email protected]",
    "url": "https://github.com/romabeckman"
  },
  "homepage": "https://github.com/romabeckman/harness-kit",
  "repository": "https://github.com/romabeckman/harness-kit",
  "license": "MIT",
  "keywords": [
    "tdd",
    "ddd",
    "debugging",
    "code-review",
    "orchestration"
  ],
  "skills": "./",
  "interface": {
    "displayName": "Harness Kit",
    "developerName": "Romario Beckman",
    "shortDescription": "Disciplined software engineering workflows",
    "longDescription": "Expert skills for test-driven development, domain-driven design, debugging, code review, autonomous orchestration, and persistent project memory.",
    "category": "Developer Tools",
    "capabilities": [
      "Interactive",
      "Write"
    ],
    "websiteURL": "https://github.com/romabeckman/harness-kit",
    "defaultPrompt": [
      "Build this feature with test-driven development.",
      "Review this change for production risks.",
      "Refine this feature into testable scenarios."
    ]
  },
  "registryIndexVersion": 5
}

Marketplace Source

Repo URL
https://github.com/romabeckman/harness-kit
Marketplace path
Unknown
Source path
.
Install policy
Unspecified

Skills

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

Share
skills-cli

  • adversarial-qa

    skills/adversarial-qa/SKILL.md

    Autonomous Adversarial QA agent. Reads machine-readable specs and code to execute edge-case and security testing, returning a JSON verdict.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • autonomous-orchestrator

    skills/autonomous-orchestrator/SKILL.md

    Sovereign loop manager. Handles file initialization, feature lifecycle tracking, and recursive TDD-Validation-Optimization cycles. Strictly delegates all technical tasks to sub-agents.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • harness-evaluator

    skills/harness-evaluator/SKILL.md

    Harness performance evaluator. Reads all execution traces in docs/harness-history/traces/, computes composite scores per skill_chain, identifies the Pareto frontier of best harness configurations, and recommends the optimal chain for the next session. Run periodically or on demand to guide harness optimization.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • harness-tracer

    skills/harness-tracer/SKILL.md

    Execution trace recorder. Captures what happened during a skill session and persists structured logs to docs/harness-history/traces/. Enables retrospective analysis and harness optimization via harness-evaluator and meta-harness.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • memory-context

    skills/memory-context/SKILL.md

    Initialize and maintain a local multi-project Harness Memory cache, then use Harness Memory MCP efficiently for evidence-backed context, relationships, environment comparisons, and change impact.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • meta-harness

    skills/meta-harness/SKILL.md

    Autonomous Meta-Harness proposer. Reads the full harness history filesystem, diagnoses failure patterns, proposes a targeted improvement, stores the candidate, and outputs a JSON decision.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • pbb-design

    skills/pbb-design/SKILL.md

    >

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • project-memory

    skills/project-memory/SKILL.md

    Create and maintain project documentation in docs/ and targeted root README.md edits, with a compact document graph and evidence-backed domain ontology for AI consumers. Use for documentation creation, updates, and reconciliation with code or requirements.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • qa-orchestrator

    skills/qa-orchestrator/SKILL.md

    Plan and run evidence-backed acceptance tests with the Harness Kit `hrns qa` CLI. Use when the user wants to install or use `@romabeckman/hrns`, define QA scope and scenarios, execute runtime QA against an application, or summarize a QA run. Do not use for unit-test-only requests or static code review.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • read-ui-prototype

    skills/read-ui-prototype/SKILL.md

    UI/UX prototype reader. Analyzes interface prototypes (screens, Figma links, images, frames) and translates them into a structured, semantic, LLM-actionable frontend specification — without writing any code or inventing visual values. Output targets the developer-frontend agent.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • scope-refinement

    skills/scope-refinement/SKILL.md

    DDD Scope Refinement Orchestrator — coordinates all Domain-Driven Design phases from business discovery to test scenario specification and machine-readable exports. Supports both interactive and autonomous headless execution.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • tdd-orchestrator

    skills/tdd-orchestrator/SKILL.md

    Orchestrates development workflow using Test-Driven Development (TDD) methodology. Coordinates between testing and development skills to ensure quality implementation. Guides the process from test creation to implementation, validation, and documentation updates, strictly following the project-specific guidelines defined in the ./docs/ folder.

    Raw SKILL.md

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • the-grumpy-tech-lead

    skills/the-grumpy-tech-lead/SKILL.md

    Senior Tech Lead and Software Architect specialized in technical code review with a focus on systemic impacts, security, performance, scalability, etc. Acts as a mentor using Socratic questioning to identify N+1 risks, memory leaks, race conditions, SOLID/DRY violations, and production failures without providing ready-made solutions.

    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

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.codex-plugin/plugin.json

plugin-manifest

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agents/cto.md

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agents/developer-devops.md

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agents/developer-frontend.md

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agents/developer-qa.md

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agents/meta-harness-agent.md

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agents/software-architect.md

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gemini-extension.json

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GEMINI.md

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plugin.json

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README.md

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SECURITY.md

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skills/adversarial-qa/SKILL.md

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skill

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skills/project-memory/scripts/test_validate_ontology.py

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skills/project-memory/SKILL.md

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skills/qa-orchestrator/scripts/safe_hrns_qa.py

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