Chain

by H-mmer

Chain is an Automation skill for Claude Code, published by H-mmer in pentest-agents.

804 stars156 forkson H-mmer/pentest-agentsAdded 2026/08/22Repository updated 2026/06/12

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agentsbug-bountybugcrowdclaude-codehackeronemcppentestingsecurity-tools

Install in seconds

Install Chain

Copy Chain into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/H-mmer/pentest-agents/tree/main/.claude/skills/chain ~/.claude/skills/chain

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/H-mmer/pentest-agents.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: .claude/skills/chain/SKILL.md in H-mmer/pentest-agents
Installs to: ~/.claude/skills/chain
Collection: One of 25 skills cataloged from this repository
Category: Automation — 1523 skills

What Chain does

Chain builds deep exploit chains from a confirmed bug and dispatches a chain-builder agent to find escalation paths. Use it when you have a validated issue and want end-to-end impact or a reportable chain.

Chain is cataloged under Automation on DirSkills. Chain comes from a repository tagged agents, bug-bounty, bugcrowd, claude-code and hackerone.

Documentation

README

Excerpt

Build exploit chain from: $ARGUMENTS

Process

Read brain for current target context: uv run python3 $CLAUDE_PROJECT_DIR/tools/brain.py brief <target>
Get bug A description:
- If $ARGUMENTS contains a bug description → use it
- Else if brain has a recent confirmed finding → use that
- Else → ask user to describe the confirmed bug
Read rules/chain-table.md — the capability→next-bug table
Read policy.md — extract policy preamble for the agent

This is the opening of the README. Read the full README on GitHub.

Commands Chain provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/validate
/report

Frequently asked about Chain

What else does H-mmer publish alongside Chain?
Chain is one of 25 skills that DirSkills catalogs from H-mmer/pentest-agents, the repository it ships in. Its siblings there include Analyze, Autopilot and Brain. Each one is a separate skill with its own page in this directory, installs the same way Chain does, and is maintained by H-mmer in that same repository. The rest of the collection is listed on the H-mmer/pentest-agents page.
How does Chain compare to other Automation skills?
Chain ranks #982 by stars among the 1523 Automation skills in this catalog. The most-starred ones next to it are Autonomous Loops, Autonomous Agent Harness and Automation Audit Ops. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Chain against them. Open each page to compare what they document and how they install.