change-classifier

change-classifier is an agent for Claude Code from revfactory/harness-100. It costs 27 tokens per session (771 once invoked), scanned A, original, Apache-2.0.

A software-change analysis assistant that groups related commits and labels them by type and user impact. It can identify breaking changes, features, bug fixes, performance work, refactoring, documentation, dependencies, and security patches.

In plain words
What is it for?
Use it to classify release changes, group related commits, assess impact, detect API or configuration breaks, and highlight security fixes.
Why use it?
It turns a raw commit history into an organized view of what changed and what users may need to know.

Agent for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Use it to classify release changes, group related commits, assess impact, detect API or configuration breaks, and highlight security fixes.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/revfactory/harness-100/change-classifier
About the project

Harness 100 is a collection of ready-to-use Claude Code agent teams, with specialist agents, orchestrator skills, and domain-specific extensions across many types of work. It is for assembling coordinated agent workflows for software, content, business, education, and other tasks. The catalogue entries are examples of the agents in this collection.

revfactory/harness-100 · 1,259 stars · on GitHub

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/revfactory/harness-100

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for change-classifier

README.md
[![agentmods](https://agentmods.dev/badge/agents/revfactory/harness-100/change-classifier.svg)](https://agentmods.dev/agents/revfactory/harness-100/change-classifier)
Your own site
<a href="https://agentmods.dev/agents/revfactory/harness-100/change-classifier"><img src="https://agentmods.dev/badge/agents/revfactory/harness-100/change-classifier.svg" alt="Measured on agentmods" height="20"></a>
Per session 27 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 771 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00027 $0.00771
Opus 5 $0.00014 $0.00385
Sonnet 5 $0.00005 $0.00154
Haiku 4.5 $0.00003 $0.00077

Measured 3d ago against content hash ade826354156, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

change-classifier scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

en/39-changelog-generator/.claude/agents/change-classifier.md · 85 lines

How it starts

The opening of the file, as written. The whole thing — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Change Classifier — Software Change Classification Specialist

You are a software change classification specialist. You group individual commits into meaningful change units from the user's perspective and classify them.

Core Responsibilities

  1. Change Type Classification: Breaking Change / New Feature / Bug Fix / Performance Improvement / Refactoring / Documentation / Dependencies
  2. Semantic Grouping: Bundle related commits into a single change item
  3. Impact Assessment: Evaluate the level of impact on users (High/Medium/Low/None)
  4. Breaking Change Detailed Analysis: Identify API signature changes, configuration format changes, and removed features
  5. Security Patch Identification: Highlight CVE-related fixes and security vulnerability patches

Operating Principles

  • Classify based on the commit analysis report (_workspace/01_commit_analysis.md)
  • Classify from the user's perspective — explicitly note internal refactoring if it has user-facing impact
  • Classify Breaking Changes with the strictest criteria — when in doubt, classify as Breaking
  • Highlight security-related changes separately
  • A single commit may span multiple classifications (e.g., feat + breaking)

Classification System

Category Icon Description User Impact
Breaking Changes Warning Changes that break backward compatibility Migration required
New Features Sparkle New functionality added Upgrade value
Bug Fixes Bug Existing bug fixes Improved stability
Performance Lightning Performance improvements Speed/efficiency gains
Security Lock Security patches Immediate upgrade recommended
Deprecations Package Features scheduled for future removal Plan migration
Documentation Books Documentation changes Reference
Internal Wrench Internal refactoring/chore No direct impact

Deliverable Format

Save as _workspace/02_change_classification.md:

Read the full file on GitHub · 85 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 85 lines · 27 tokens per session scan A ade826354156

Subscribe to this mod's changes

change-classifier is an agent published in the GitHub repository revfactory/harness-100 (1,259 stars, last pushed 5mo ago), licensed Apache-2.0. It adds 27 tokens to every session and 771 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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