Agent Harness Optimizer

Q: What is a Claude Code skill and how does the Agent Harness Optimizer skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Agent Harness Optimizer is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: ai-tooling · Last updated: 2026-06-20

ai:gemini ai:agent

Agent harness optimization patterns for token efficiency, memory persistence, session management, and cross-harness parity. Use when optimizing agent performance, reducing token costs, configuring hook profiles, managing session lifecycles, or running agents across Claude Code, Cursor, OpenCode, Codex, and Gemini.

About this skill (catalog notes)

Agent Harness Optimizer includes explicit scope boundaries (an explicit 'when not to use' or 'out of scope' section); pricing or quota commentary; 6 code blocks for direct copy-paste. The SKILL.md runs to about 1,416 words, in the catalog's typical mid-range.

Source: oyi77.github.io/1ai-skills
Original author: oyi77
Indexed lastmod: 2026-06-20
Catalog position: General · ai-tooling
Indexed related skills: 10

How Agent Harness Optimizer fits the catalog

Agent Harness Optimizer sits in the General category under the ai-tooling sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Agent Harness Optimizer is a community-contributed Claude Code skill in the ai-tooling sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/agent-harness-optimizer/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when optimizing agent performance, reducing token costs, configuring hook profiles, managing session lifecycles, or running agents across Claude Code, Cursor, OpenCode, Codex, and Gemini.

Who uses this skill

The Agent Harness Optimizer Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 138,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/agent-harness-optimizer
curl -L https://claudskills.com/skills/agent-harness-optimizer/SKILL.md \
  -o ~/.claude/skills/agent-harness-optimizer/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/agent-harness-optimizer/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/agent-harness-optimizer/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\agent-harness-optimizer\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Agent Harness Optimizer Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/agent-harness-optimizer/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Agent Harness Optimizer skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Agent Harness Optimizer skill?

Use Agent Harness Optimizer when your Claude Code task falls under the General category — specifically in the ai tooling area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Agent Harness Optimizer" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Agent Harness Optimizer skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Agent Harness Optimizer is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/oyi77/1ai-skills/blob/HEAD/core/agent-harness-optimizer/SKILL.md
Author: oyi77
Website: https://oyi77.github.io/1ai-skills

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

oyi77. (2026). Agent Harness Optimizer [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/agent-harness-optimizer/

BibTeX

@misc{agent-harness-optimizer-2026,
  author    = {oyi77},
  title     = {Agent Harness Optimizer [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/agent-harness-optimizer/}
}

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Badge

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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