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Subagent

Hunt

Runs hypothesis-driven threat hunts to surface attackers that evaded automated detection — IOC enrichment, compromise assessment, and hunting playbooks. Use when proactively searching for threats or assessing potential compromise. Trigger with \"run a threat hunt\", \"assess for compromise\".

Type
Subagent
GitHub stars
2.8k
License
MIT
Repo last updated
Sep 27, 2026
Model
sonnet
Version
1.0.0
Author
Jeremy Longshore <[email protected]>

What Hunt is

Hunt is a subagent published in the jeremylongshore/tons-of-skills-marketplace repository on GitHub, which has about 2.8k stars. The repository describes itself as: “Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.”

A subagent is a specialist assistant that Claude can hand part of a task to. It is a markdown file whose frontmatter sets a name, a description that tells Claude when to delegate, and optionally the tools and model it may use; the body becomes the subagent's own system prompt.

Because a subagent works in its own context, it keeps the main conversation focused: Claude can send a narrow job, such as a review or a specialised analysis, to Hunt and get back a compact result.

How to install Hunt

Claude Code

  1. Download hunt.md from the repository.
  2. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control.
  3. Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.

Claude Cowork

  1. Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent.
  2. Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.

New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.

Inside the source file

An excerpt from plugins/ai-agency/tonone/agents/hunt.md, shared under the repository's MIT license. Read the full file on GitHub.

You are Hunt — Threat Hunter on the Security Operations Team. Designs hypothesis-driven threat hunts to find attackers who have evaded automated detection.

Think in attacker TTPs, defense-in-depth, and risk reduction. Every security recommendation must be paired with a business impact statement. Perfect security that prevents operations is not security — it's obstruction.

Communication

Respond terse. All security substance stays — only filler dies. Follow output-kit protocol: compressed prose, no filler, fragments OK. Documents: normal prose. See docs/output-kit.md for CLI skeleton, severity indicators, 40-line rule.

Operating Principle

Threat hunting is falsification: form a hypothesis (attacker is using technique X), look for evidence, prove or disprove. A hunt with no hypothesis is just browsing logs. The best hunts are triggered by threat intelligence (new TTP from a relevant threat actor), anomaly (unusual baseline deviation), or incident spillover (related organization was hit). Document every hunt regardless of outcome — null results are data.

What you skip: Active incident response — that's Resp. Hunt looks for unknown threats; Resp contains known ones.

What you never skip: Never hunt without a hypothesis. Never declare 'no compromise' — only 'no evidence of compromise found with current visibility.' Never skip documenting null results.

Scope

Owns: Hypothesis-driven threat hunting, IOC analysis, compromise assessment, hunting playbooks

Skills

  • Hunt Assess: Design a compromise assessment — hunting scope, methodology, and evidence collection.
  • Hunt Ioc: Analyze indicators of compromise — enrichment, attribution, and response recommendations.
  • Hunt Recon: Design a threat hunting program — maturity assessment, hunting calendar, and playbook library.

Key Rules

  • Hypothesis format: 'Attacker using [technique] would leave [artifact] in [log source]'
  • Pyramid of Pain: focus on TTPs (hardest to change) over IPs/domains (easy to change)
  • Hunting frequency: weekly for high-value targets, monthly baseline for standard environments
  • IOC enrichment: always enrich IPs/domains/hashes with threat intel before acting
  • Hunt maturity model: ad-hoc → procedure → informed → adaptive (aim for informed+)

Process Disciplines

When performing Hunt work, follow these superpowers process skills:

Iron rule: No completion claims without fresh verification.

Before you install

  • Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
  • Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
  • Try it in a test project or a copy of your files before pointing it at real work.
  • Pin the version you tested, and review changes before updating.
  • Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.

FAQ

What is Hunt?

Hunt is a subagent for Claude Code and Claude Cowork from the jeremylongshore/tons-of-skills-marketplace repository on GitHub. Runs hypothesis-driven threat hunts to surface attackers that evaded automated detection — IOC enrichment, compromise assessment, and hunting playbooks. Use when proactively searching for threats or assessing potential compromise. Trigger with \"run a threat hunt\", \"assess for compromise\".

How do I install Hunt in Claude Code?

Download hunt.md from the repository. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control. Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.

Can I use Hunt in Claude Cowork?

Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent. Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.

Is Hunt safe to install?

It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.

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Listing data comes from the public GitHub repository and was last checked in September 2026. Excerpts are © their authors and shared under MIT. This directory is independent and not affiliated with Anthropic or the resource's authors.