What is pentester-init-target?

A setup guide for creating a penetration-testing target workspace from a host, IP address, or URL. It records the testing scope, authorization, scanning environment, and phase information.

Use it to create target directories, render the scan environment, record phase-zero details, update testing status, and validate the target configuration.

It makes the starting conditions explicit before security testing begins. This helps prevent work on the wrong target or outside the approved scope.

pentester-init-target — Skill by fb0sh

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.

agentmods

npx agentmods add skills/fb0sh/pentester/pentester-init-target

Any agent

npx skills add fb0sh/pentester --skill pentester-init-target

Clone the repo

git clone --depth 1 https://github.com/fb0sh/pentester

Made for: Claude Code, Codex.

Per session 61 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 264 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

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.

Model	Per session	Once invoked
Fable 5	$0.00061	$0.00264
Opus 5	$0.00030	$0.00132
Sonnet 5	$0.00012	$0.00053
Haiku 4.5	$0.00006	$0.00026

Measured yesterday against content hash eb4e90316740, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

pentester-init-target 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 yesterday.

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.

.agents/skills/pentester-init-target/SKILL.md · 29 lines

What it actually says

init-target

Procedure: .agents/phases/00-pre-engagement.md
Schema: .agents/schema/schema.json
Materialize: .agents/schema/materialize.js

node .agents/schema/materialize.js \
  --id ${ID} --host ${SCAN_HOST} --form IP|DOMAIN|URL --scan-env docker|host-kali \
  [--url ${URL}]

Then follow the phase procedure:

Confirm Scope + Authorization with user (replace stubs)
Complete manifest-phase-0.md with all phase-0 summary_fields
Update chain-status.md (current_phase: 0, next_phase: 1)
node .agents/schema/validate-target-schema.js ${ID} --strict-summary

Do not invent bootstrap paths — they come from schema.json bootstrap_dirs.

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.

yesterday First seen · 29 lines · 61 tokens per session scan A eb4e90316740

Subscribe to this mod's changes

pentester-init-target is a skill published in the GitHub repository fb0sh/pentester (23 stars, last pushed 1mo ago), licensed MIT. It adds 61 tokens to every session and 264 once invoked, about $0.0003 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 2026-08-30.

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