Security

26,960 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

osmedeus-expert

25

j3ssie/osmedeus

Skill Claude CodeCodex

Expert guide for the Osmedeus security automation workflow engine. Use when: (1) writing or editing YAML workflows (modules and flows), (2) running osmedeus CLI commands (scan, workflow management, installation, server), (3) configuring steps, runners, triggers, or template variables, (4) debugging workflow execution…

not rated 6.6k +10 1mo ago A SkillSpector: warn 113 tokens original MIT

defense-evasion

27

PurpleAILAB/Decepticon

Skill Claude Code

Endpoint defense bypass — AMSI/ETW patching, ScareCrow framework, custom loaders, direct/indirect syscalls, LOLBAS execution, process injection.

not rated 6.5k 8d ago A SkillSpector: warn 40 tokens original Apache-2.0

openmed-skills

28

maziyarpanahi/openmed

Plugin Claude Code

Bundles 74 skills · 11,398 tokens together

De-identify PHI, run clinical NER, export FHIR, evaluate with leakage gates, and the healthcare workflows around them.

not rated 5.8k +52 yesterday A tokens not measured original Apache-2.0

Claude-BugHunter

30

elementalsouls/Claude-BugHunter

Plugin Claude Code

Bundles 11 skills, 15 commands · 3,173 tokens together

83-skill bug-hunting & external red-team bundle for Claude Code — 58 hunt- web/vuln-class + framework skills, enterprise platform attack chains (M365/Entra, Okta, SharePoint, vCenter, SSL-VPN, APK/iOS), recon/OSINT, reporting & validation gates, and Burp MCP integration. Skills auto-load by topic; 15 slash commands in.

not rated 5.4k 6d ago A tokens not measured original MIT

CreditTone/hooker

Skill Claude CodeCodex

Decompile Android APK, XAPK, JAR, and AAR files using jadx or Fernflower/Vineflower. Reverse engineer Android apps, extract HTTP API endpoints, trace call flows from UI to network layer, and analyze runtime behavior with Frida, network capture, JNI/SO inspection, and signature generation. Use when the user wants to…

not rated 5.3k +4 1mo ago B 107 tokens

varlock

32

dmno-dev/varlock

Skill Claude CodeCodex needs its repo

Secure environment variable management with Varlock. Use when handling secrets, API keys, credentials, or any sensitive configuration. Ensures secrets are never exposed in terminal, logs, or LLM context. Provides guidance around integrating varlock into a project, reading/editing .env.schema and other .env files…

not rated 4.9k +41 changed 27d ago A Socket: passSnyk: passSkillSpector: warn 109 tokens original MIT

tsec-actions

33

oritera/Cairn

Skill Claude CodeCodex

A task-specific instruction for submitting a flag during a tsec CTF or penetration-testing competition. A CTF is a security contest where participants solve challenges and submit proof strings called flags.

not rated 4.9k +162 2mo ago A 26 tokens AGPL-3.0

oss-fuzz

34

apache/tika

Skill Claude CodeCodex needs its repo ✓ vendor

Run Tika's OSS-Fuzz Jazzer targets locally against a working-tree checkout — build the image, build fuzzers from local source, fuzz a target, run a corpus as a regression pass, reproduce a crash, and add seeds. Use for "fuzz the OneNote parser", "run OneNoteParserFuzzer against these files", "reproduce an OSS-Fuzz…

not rated 4.1k +12 yesterday A SkillSpector: warn 90 tokens original Apache-2.0

github-archive

35

gadievron/raptor

Skill Claude Code

Investigate GitHub security incidents using tamper-proof GitHub Archive data via BigQuery. Use when verifying repository activity claims, recovering deleted PRs/branches/tags/repos, attributing actions to actors, or reconstructing attack timelines. Provides immutable forensic evidence of all public GitHub events since…

not rated 4.0k +19 changed 1mo ago A SkillSpector: warn 66 tokens

create-sigma-rule

36

TracecatHQ/tracecat

Skill Claude CodeCodex

Turns a threat report, a malware analysis, vendor tool documentation, or a raw log sample into draft Sigma detection rules, validated against sigma-cli where a shell exists and labelled "not machine-validated" where not, each paired with a validation note covering assumptions, false positives, evasion gaps, and a test…

not rated 3.9k +17 yesterday A 209 tokens AGPL-3.0

hackerone

37

Netw0rkNoob/VulnClaw

Skill Claude CodeCodex

HackerOne bounty program scope-guard workflow — reads program scope, enforces scope and program rules, then hands each in-scope asset to pentest-flow.

not rated 3.9k +45 changed 1mo ago A SkillSpector: pass 36 tokens original MIT

reverse-skill

38

Mouseww/anything-analyzer

Skill Claude CodeCodex

A collection of methods for analyzing websites, browser code, API behavior, and encryption or signing processes. It is intended for authorized investigation and produces findings and reports rather than launching attacks.

not rated 3.8k +19 1mo ago A 89 tokens original Apache-2.0

gmh5225/awesome-game-security

Skill Claude Code

Analyze PCIe DMA threats, host-mediated memory acquisition, FPGA behavior, and IOMMU defenses. Use when the memory initiator or device boundary matters; use kernel security for host-only mechanisms.

not rated 3.7k +34 changed 1mo ago A SkillSpector: warn 45 tokens original MIT

security-critical

40

memodb-io/Acontext

Cursor rule Cursor

The three most important security patterns in Payload CMS.

not rated 3.7k +1 13d ago A 9 tokens original Apache-2.0 archived

ctf-crypto

41

ljagiello/ctf-skills

Skill Claude Code

Provides cryptography attack techniques for CTF challenges. Use when attacking encryption, hashing, signatures, ZKP, PRNG, or mathematical crypto problems involving RSA, AES, ECC, lattices, LWE, CVP, number theory, Coppersmith, Pollard, Wiener, padding oracle, GCM, key derivation, or stream/block cipher weaknesses.

not rated 3.6k +48 changed 10d ago A Socket: warnSnyk: warnSkillSpector: warn 78 tokens original MIT

overview

43

deltazefiro/Amarok-Hider

Cursor rule Cursor

Amarok is a lightweight Android app that quickly hides files and applications — ideal for casual privacy needs. Instead of encryption, it manages file and app visibility using various techniques.

not rated 3.3k +7 2mo ago A 976 tokens original Apache-2.0

beacon

44

Asymptote-Labs/agent-beacon

Plugin Claude Code

Bundles 6 skills, 1 MCP server · 572 tokens together

Cross-harness memory from Beacon traces: recall reviewed project lessons, distill agent sessions into approved memory, promote memory to Agent Skills, build dashboard lenses, and share sessions to beacon.sh.

not rated 3.3k +345 changed 26d ago A tokens not measured original MIT

graph-db-writes

45

samugit83/redamon

Skill Claude CodeCodex

Writing to the Neo4j attack-surface graph in RedAmon: the tenant-isolation MERGE key every entity node must carry, where graph methods live (mixins, not the client), and the schema places that must be updated together. A MERGE missing the tenant key silently merges one project's data into another's. Trigger: editing…

not rated 3.3k +54 changed 9d ago A SkillSpector: pass 119 tokens original MIT

SharpAI/DeepCamera

Skill Claude CodeCodex

LLM & VLM evaluation suite for home security AI applications.

not rated 3.1k +13 1mo ago A SkillSpector: warn 17 tokens original MIT

missing-controls

47

visa/visa-vulnerability-agentic-harness

Skill Claude CodeCodex

Find weaknesses that consist of an ABSENT control — no rate limit, no session invalidation, no cookie flags, debug left on, secrets or PII stored in cleartext — by enumerating every site the control belongs and checking each.

not rated 3.1k +21 15d ago A 51 tokens

elementalsouls/Claude-OSINT

Skill Claude CodeCodex needs its repo

Organization-grade identity-fabric mapping: tenant/federation fingerprinting and the pre-auth user-ENUMERATION oracle methodology — enumeration and fingerprint only, never credential submission. Covers domain-to-tenant resolution (Microsoft getuserrealm.srf Managed/Federated namespace check, Entra OIDC metadata…

not rated 3.0k +42 17d ago A SkillSpector: warn 418 tokens original MIT

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