Agent skill

Harness Progress

by Chachamaru127 in Chachamaru127/claude-code-harness

Generate a Progress Tracker HTML for non-engineer vibecoders to glance at session progress (cc:WIP / cc:TODO / cc:完了 counts, percentage, elapsed/estimated minutes, cost so far/estimate, drift alerts).

MITAuto-check: notesDevelopment

Install Harness Progress

skills CLI
$ npx skills add Chachamaru127/claude-code-harness --skill harness-progress -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install Chachamaru127/claude-code-harness harness-progress --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/Chachamaru127/claude-code-harness.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/harness-progress .claude/skills/harness-progress && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
harness-progress
GitHub stars
3.2k
Token cost
~1.5k tokens
SKILL.md length
323 words
Files
5
Skills in repo
25
Repo updated
First seen
Licence
MIT

At a glance

Generate a Progress Tracker HTML for non-engineer vibecoders to glance at session progress (cc:WIP / cc:TODO / cc:完了 counts, percentage, elapsed/estimated minutes, cost so far/estimate, drift alerts).

  • Works in 4 steps: PROJECT_NAME を取得 → snapshot を組み立て → HTML をレンダリング → …
  • User asks for progress overview
  • SKILL.md covers Quick Reference, Mission, Schema: progress-snapshot.v1 and Execution Flow, plus 3 more sections
  • Calls bash and git

What it does

Harness Progress is an agent skill from Chachamaru127/claude-code-harness. Generate a Progress Tracker HTML for non-engineer vibecoders to glance at session progress (cc:WIP / cc:TODO / cc:完了 counts, percentage, elapsed/estimated minutes, cost so far/estimate, drift alerts). Uses Plans.md as source of truth, renders a single-file HTML with auto-regeneration support. Use when user asks for progress overview, session status snapshot, dashboard, or says: progress tracker, 進捗確認, 進捗ボード, dashboard. Do NOT load for: actual implementation, code review, release work.

Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files (for example `schemas/orchestration-ledger.v1.schema.json`, `schemas/orchestration-scorecard.v1.schema.json` and `schemas/orchestration-totals.v1.schema.json`).

It sits in Development, covering HTML artifacts. The repository describes itself as: Claude Code Dedicated Development Harness - Achieving High-Quality Development Through an Autonomous Plan→Work→Review Cycle. The licence is MIT.

When your agent uses it

  • User asks for progress overview
  • Session status snapshot
  • Says: progress tracker

Example prompts

  • “/harness-progress”

Requirements

  • Pre-approved tools (allowed-tools): Read, Write, Bash

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. PROJECT_NAME を取得
  2. snapshot を組み立て
  3. HTML をレンダリング
  4. ブラウザで開く

What it can do on your machine

Read from SKILL.md and the folder at commit 2b2b748. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Write
    • Bash

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • bash
    • git

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Harness Progress loads about 1.5k tokens when it runs. Until then it costs about 127 tokens; SKILL.md has 323 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~127
When it runs · the whole SKILL.md, loaded when a task matches
~1.5k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Write, Bash

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from Chachamaru127/claude-code-harness at commit 2b2b748, republished under its MIT licence (© Chachamaru127). 323 words, ~1,478 tokens.

Download SKILL.mdSave it as .claude/skills/harness-progress/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.
name
harness-progress
description
Generate a Progress Tracker HTML for non-engineer vibecoders to glance at session progress (cc:WIP / cc:TODO / cc:完了 counts, percentage, elapsed/estimated minutes, cost so far/estimate, drift alerts). Uses Plans.md as source of truth, renders a single-file HTML with auto-regeneration support. Use when user asks for progress overview, session status snapshot, dashboard, or says: progress tracker, 進捗確認, 進捗ボード, dashboard. Do NOT load for: actual implementation, code review, release work.
allowed-tools
Read, Write, Bash
description-en
Generate a Progress Tracker HTML for non-engineer vibecoders to glance at session progress (cc:WIP / cc:TODO / cc:完了 counts, percentage, elapsed/estimated…
description-ja
進捗 Tracker HTML を生成する。Plans.md を SoT として cc:WIP / cc:TODO / cc:完了 件数・%、経過分数・コスト・drift alert を 1 枚 HTML で表示。PostToolUse hook で 60 秒に 1 回自動再生成。Use when: 進捗確認…
argument-hint
[--out <path>] [--no-open]
user-invocable
true

Harness Progress Tracker

Phase 65.4 (Progress Tracker) — 3rd surface of the cognitive-load HTML triplet. Plan Brief / Acceptance Demo に続く 3 つ目の HTML surface で、進行中セッションの全体像を 1 枚の紙で把握 できるようにする。

Quick Reference

入力動作
/harness-progress現プロジェクトの進捗 snapshot HTML を生成し開く
/harness-progress --no-open生成のみ (browser 開かない、PostToolUse hook 用)
/harness-progress --out <path>出力先指定 (default: out/progress-snapshot.html)

Mission

"今のセッションは何件のタスクをどこまで終わらせて、いつ終わる見込みで、いくら使ったか" を、 エンジニアじゃない vibecoder が 3 秒でブラウザで把握 できる HTML 1 枚を生成する。

やる:

  • Plans.md の cc:TODO / cc:WIP / cc:完了 件数を集計
  • progress_pct (完了率) を計算 (cc:完了 ÷ 総タスク × 100)
  • 経過分数 / 推定総分数 / コスト so-far / コスト estimate を表示
  • drift alert を表示 (Phase 65.4.3 以降で populate)

完了率は Plans.md のマーカーから算出した値であり、受け入れ検証の合格率ではない。説明では計測値と推定値を分ける。 state 欠損時の表示用既定値を実測の 0 と主張せず、元の計測が未取得ならその限界を報告する。ボード生成だけでタスクを完了にしない。

やらない (本 cycle):

  • WebSocket / SSE による live update (静的 HTML、再生成で更新)
  • 過去 session の history 比較 (Phase 65.4.4 で別軸)
  • 他 project の cross-project view (Phase 65.3 と独立)

Schema: progress-snapshot.v1

詳細仕様: schemas/progress-snapshot.v1.schema.json

yaml
schema:        progress-snapshot.v1
project:       <basename of git repo>
current_task:  <cc:WIP の最初の項目 1 行サマリ、なければ空文字>
progress_pct:  <0-100 の整数、cc:完了 ÷ 総タスク × 100 の四捨五入>
todo_tasks:    [{number, title}]    ← cc:TODO のみ
wip_tasks:     [{number, title}]    ← cc:WIP のみ
done_tasks:    [{number, title, commit}]   ← cc:完了 [hash] のみ、hash は 7 chars
elapsed_minutes:          <int, state file から>
estimated_total_minutes:  <int, state file から>
cost_so_far_usd:          <float, state file から>
cost_estimate_usd:        <float, state file から>
alerts:                    []   ← Phase 65.4.3 以降で populate
generated_at:             <ISO8601 UTC>
writing_lint_pending:     [{id, pattern, approve_command, pending_count}]  ← optional/additive (Phase 136.2)
deferred_ops_pending:     [{id, command, approve_command, pending_count}]  ← optional/additive (Phase 140.2)
writing_lint_pending (Phase 136.2)

scripts/writing-rule-list.sh --status pending --json の出力をそのまま snapshot に 組み込む optional フィールド。pending proposal が 0 件のときは配列が空になり、 progress.html.template の該当セクションは何も展開せず非表示になる (render-html.sh の {{#section}} は配列が空だと block を 0 回展開するため)。

表示するのは コピペ用のコマンド文字列 (scripts/writing-rule-approve.sh --id <id>) であって押せるボタンではない。承認は人間が CLI で writing-rule-approve.sh を実行する 一択の経路のまま (Phase 135.4。自動昇格経路は無い)。

Execution Flow

Step 0: PROJECT_NAME を取得
bash
PROJECT_NAME="$(basename "$(git rev-parse --show-toplevel)" 2>/dev/null || echo "current")"
Step 1: snapshot を組み立て
bash
SNAPSHOT_JSON="$(mktemp /tmp/progress-snapshot-XXXX.json)"
bash scripts/progress-snapshot.sh \
  --plans Plans.md \
  --project "$PROJECT_NAME" \
  > "$SNAPSHOT_JSON"

scripts/progress-snapshot.sh (Phase 65.4.1 で実装) は Plans.md を parse し progress-snapshot.v1 schema 準拠の JSON を出力する。内部で scripts/writing-rule-list.sh --status pending --json も呼び、writing_lint_pending を additive に組み込む (Phase 136.2。writing-rule-list.sh が無い/失敗する場合は空配列)。 同様に .claude/state/deferred-ops.jsonl の status: pending 行を deferred_ops_pending として組み込む (Phase 140.2。ファイルが無い/壊れた行は読み飛ばして空配列)。表示するのは コピペ用の bin/harness deferred approve <id> 文字列で、押せるボタンではない。

Step 2: HTML をレンダリング
bash
OUT_PATH="${OUT_PATH:-out/progress-snapshot.html}"
mkdir -p "$(dirname "$OUT_PATH")"

bash scripts/render-html.sh \
  --template progress \
  --data "$SNAPSHOT_JSON" \
  --out "$OUT_PATH"
Step 3: ブラウザで開く

--no-open flag がない場合のみ実行 (PostToolUse hook からの背景再生成では skip):

bash
bash scripts/plan-brief-open.sh --path "$OUT_PATH"

Cross-project search (default OFF)

Phase 65.4.4 で --cross-project-group <name> flag が追加される。本 cycle (65.4.1) では default OFF、現プロジェクトのみ集計する。

Failure modes

状態動作
Plans.md が無いprogress-snapshot.sh が exit 1 (clear error message)
Plans.md にタスクが 1 件もないprogress_pct: 0, 空配列 で snapshot 生成 (HTML は「タスクなし」表示)
state file (経過分数等) が無いelapsed_minutes: 0, cost_so_far_usd: 0 で fallback (warning なし)
git 不在 / git repo 外project: "current" で fallback
  • harness-plan-brief (Phase 65.1.x) — 1st surface (実装前の説明会)
  • harness-accept (Phase 65.2.x) — 2nd surface (検収判断)
  • harness-progress (本 skill, Phase 65.4.x) — 3rd surface (進捗ダッシュボード)
  • 65.4.2 (PostToolUse auto-regen)、65.4.3 (drift alert 5 種)、65.4.4 (過去判断 lookup) で機能拡張

© Chachamaru127, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 4 other files in skills/harness-progress of Chachamaru127/claude-code-harness.

  • SKILL.md
  • schemas/orchestration-ledger.v1.schema.json
  • schemas/orchestration-scorecard.v1.schema.json
  • schemas/orchestration-totals.v1.schema.json
  • schemas/progress-snapshot.v1.schema.json

Open the folder on GitHubat commit 2b2b748

Compare with similar skills

Harness Progress next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Harness Progress compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Harness Progress this skillChachamaru127/claude-code-harness3.2k—~1.5kAutomated safety check: NotesMIT
Whatissuyuan2022/suyuan-skill269—~606Automated safety check: PassMIT
Mobius Architecture Drawmobius-system/mobius138—~1.7kAutomated safety check: PassCustom licence
ArchifyNousResearch/hermes-agent252k—~612Automated safety check: PassMIT
Architecture DiagramCoWork-OS/CoWork-OS473—~1kAutomated safety check: PassMIT
Archify Diagram BuilderUnclecheng-li/AI_Animation1.4k2 repos~4.1kAutomated safety check: PassMIT

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Questions about Harness Progress

What does Harness Progress do?

Generate a Progress Tracker HTML for non-engineer vibecoders to glance at session progress (cc:WIP / cc:TODO / cc:完了 counts, percentage, elapsed/estimated minutes, cost so far/estimate, drift alerts). Harness Progress is an agent skill from Chachamaru127/claude-code-harness. Generate a Progress Tracker HTML for non-engineer vibecoders to glance at session progress (cc:WIP / cc:TODO / cc:完了 counts, percentage, elapsed/estimated minutes, cost so far/estimate, drift alerts).

When should I use Harness Progress?

Harness Progress fits situations like: user asks for progress overview; session status snapshot; says: progress tracker.

How do I install Harness Progress in Claude Code?

Run `npx skills add Chachamaru127/claude-code-harness --skill harness-progress -a claude-code`. Or copy the skill folder (skills/harness-progress in Chachamaru127/claude-code-harness) into .claude/skills/harness-progress in your project. Claude Code loads it when a task matches its description.

How do I install Harness Progress in Codex?

Run `npx skills add Chachamaru127/claude-code-harness --skill harness-progress -a codex`. Or copy the skill folder (skills/harness-progress in Chachamaru127/claude-code-harness) into .agents/skills/harness-progress in your project. Codex loads it when a task matches its description.

Can I use Harness Progress in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Chachamaru127/claude-code-harness --skill harness-progress -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/harness-progress, .gemini/skills/harness-progress, .github/skills/harness-progress and .opencode/skills/harness-progress in your project.

What does Harness Progress need to run?

Going by SKILL.md and its folder, Harness Progress needs the command-line tools its instructions call (bash and git). Its frontmatter pre-approves these tools: Read, Write, Bash.

Does Harness Progress access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Harness Progress safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Harness Progress use?

Harness Progress is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Harness Progress use?

About 1.5k tokens (SKILL.md is roughly 5.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Harness Progress?

Skills that share tags, products or a category with Harness Progress: Whatis (suyuan2022/suyuan-skill, 269 stars), Mobius Architecture Draw (mobius-system/mobius, 138 stars), Archify (NousResearch/hermes-agent, 252k stars) and Architecture Diagram (CoWork-OS/CoWork-OS, 473 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Harness Progress?

Chachamaru127 (a GitHub user) maintains it in Chachamaru127/claude-code-harness, which has 3,153 GitHub stars. The repository holds 25 skills in this directory. The repository was last updated on October 5, 2026.

Source: Chachamaru127/claude-code-harness on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.