pentester: Skill for Claude Code

.agents/skills/pentester-enum-services/SKILL.md

pentester-enum-services is a skill for Claude Code, Codex from fb0sh/pentester. It costs 63 tokens per session (303 once invoked), scanned A, original, MIT.

A setup guide for the first information-gathering phase of a penetration test. This phase identifies reachable ports, services, operating-system clues, and related public information about an authorized target.

In plain words
What is it for?
Use it to print the phase-one scan plan, render environment settings, run service and port enumeration, and validate the phase summary.
Why use it?
It gives scans a defined plan and records their outputs consistently. This makes later testing decisions based on known services rather than guesses.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents; installed under .agents/ (shared by several agents); mentions AGENTS.md.

This is fb0sh/pentester's own configuration. It tells Claude Code and Codex how to work on pentester itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything pentester configures →

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is node .agents/schema/validate-target-schema.js --print-plan 1 \.

Reuse

Borrowing it

Nothing to install: this file belongs to fb0sh/pentester. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/fb0sh/pentester/main/.agents/skills/pentester-enum-services/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/fb0sh/pentester

Made for: Claude Code, Codex.

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.

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README.md
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Your own site
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Your own site · 80×15
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Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 303 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 $0.00063 $0.00303
Opus 5.5 $0.00025 $0.00121
Sonnet 5.5 $0.00013 $0.00061
Haiku 4.5 $0.00006 $0.00030

Measured 1mo ago against content hash 569ed9e214b8, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

pentester-enum-services 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 1mo 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.

.agents/skills/pentester-enum-services/SKILL.md · 28 lines

What it actually says

enum-services

Procedure: .agents/phases/01-intelligence.md

Parallelism: Phase 1 long scans (nmap full/UDP, multi-target enum) run as subagents under the main orchestrator — Task List + no short timeout. See root AGENTS.md (Phase-internal parallelism) and ROLE.md §6–7. Schema product paths still apply. Schema: phase 1 in schema.json

# Sole plan entry (Schema CLI)
node .agents/schema/validate-target-schema.js --print-plan 1 \
  --id ${ID} --host ${SCAN_HOST} --scan-env docker|host-kali

# Env / Evidence keys only
node .agents/schema/env-render.js --scan-env docker|host-kali --id ${ID} --host ${SCAN_HOST}
  • Outputs / forbidden / summary keys: schema.json only
  • web_ports non-empty → Phase 1b
  • End: validate-target-schema.js ${ID} --strict-summary --stamp-chain
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. 1mo ago First seen · 28 lines · 63 tokens per session scan A 569ed9e214b8

Subscribe to this mod's changes

pentester-enum-services is a skill published in the GitHub repository fb0sh/pentester (24 stars, last pushed 2mo ago), licensed MIT. It adds 63 tokens to every session and 303 once invoked, about $0.0003 per session on Opus 5.5. 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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