Security

26,946 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.

web-application

626

ludo-technologies/python-best-practices

Skill Claude Code

FastAPI web application best practices covering authentication and authorization, SQLAlchemy 2.0 async sessions, transactions, eager loading, and Alembic migrations, non-blocking I/O and shared HTTP clients, request/response schemas, error responses, pagination, typed settings, app factory and lifespan, request-ID…

not rated 35 +1 17d ago A 112 tokens original MIT

evil-mcp-server

627

promptfoo/evil-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server that simulates malicious behaviors for security testing. Runs locally from the @promptfoo/evil-mcp-server npm package.

not rated 34 3d ago A tokens not measured original MIT

reconbridge

628

lm060719/reconbridge

Skill Claude CodeCodex

Drive the ReconBridge toolchain to reverse-engineer / recon / tamper Android apps on a rooted (KernelSU) device from the PC side. Use whenever the task involves: pulling an APK or native .so off a device, decompiling with jadx, locating classes/methods with DexKit/androguard, Ghidra native analysis, hooking or tracing…

not rated 34 +2 changed 1mo ago A 196 tokens original MIT

flutter-apk-security

629

anasfik/FlutterGuard

Skill Claude CodeCodex

Review Flutter Android APK/AAB release artifacts for manifest, permission, cleartext traffic, exported component, embedded secret, signing, size, WebView, deep link, and third-party service risks.

not rated 34 +7 changed 6d ago A 44 tokens original MIT

varlock

630

wrsmith108/varlock-claude-skill

Plugin Claude Code

Bundles 1 skill · 73 tokens together

Secure environment variable management with Varlock for secrets, API keys, credentials, and sensitive configuration.

not rated 33 8mo ago A tokens not measured original MIT

security

631

gc-victor/supersimple

Skill Claude CodeCodex

Hardens code against vulnerabilities. Use when handling user input, authentication, data storage, or external integrations. Use when building any feature that accepts untrusted data, manages user sessions, or interacts with third-party services.

not rated 33 6mo ago A 45 tokens original MIT

mcp-evernote

632

verygoodplugins/mcp-evernote

MCP server Claude CodeCodexCursor +2

Evernote note management with OAuth and ENML conversion. Runs locally from the @verygoodplugins/mcp-evernote npm package.

not rated 33 8d ago A tokens not measured

symvault

633

danieljustus/symaira-vault

Skill Claude CodeCodex

Use Symaira Vault as the credential manager for AI agents through native MCP tools. Prefer this when storing, retrieving, generating, or rotating passwords, tokens, API keys, and TOTP codes.

not rated 33 yesterday A SkillSpector: warn 43 tokens original Apache-2.0

elastic

634

elastic/cursor-plugins

Plugin Cursor ✓ vendor

Bundles 30 skills, 1 MCP server · 2,190 tokens together

Elastic skills and documentation — Elasticsearch, Kibana, Observability, Security, Cloud, ES|QL, OpenTelemetry, and MCP docs access.

not rated 33 changed 9d ago A tokens not measured original Apache-2.0

saml

635

hashimiche/hal

Skill Claude CodeCodex

Deploy, verify, and troubleshoot the TFE SAML lab in hal. Use this skill when the user asks to enable SAML SSO for TFE, set up TFE single sign-on, debug SAML redirects or attribute mapping, configure SCIM provisioning for TFE teams, or reset the TFE SSO demo. Triggers include "enable saml", "TFE SSO", "TFE SAML"…

not rated 33 yesterday A 133 tokens

hs

636

frmoretto/hardstop

Plugin Claude Code

Bundles 1 skill, 6 commands, 1 hook · 193 tokens together

Pre-execution safety layer that blocks dangerous shell commands and credential file reads using pattern matching + LLM analysis. Fail-closed design.

not rated 32 6mo ago A tokens not measured

cube-sandbox

637

runzhliu/aik8s

Skill Claude CodeCodex

Execute requested Python code inside an isolated CubeSandbox MicroVM. Use when the user explicitly asks for CubeSandbox, MicroVM isolation, offline execution, or proof that code did not run on the DSH host.

not rated 32 +3 yesterday A 46 tokens

joneqian/claude-skills-suite

Agent Claude Code

MySQL database specialist for query optimization, schema design, security, and performance. Use PROACTIVELY when writing SQL, creating migrations, designing schemas, or troubleshooting database performance.

not rated 32 9mo ago A 42 tokens original MIT

januscope

639

giancarloerra/JanuScope

MCP server Claude CodeCodexCursor +2

Local MCP proxy for tool restrictions, response redaction, audit logs, and database schema context. Runs locally from the januscope npm package. Needs 3 environment variables to run.

not rated 32 7d ago A Socket: warn tokens not measured AGPL-3.0

agent-bom

640

msaad00/agent-bom

Skill Claude CodeCodex

Open security scanner for agentic infrastructure — agents, MCP, packages, blast radius, runtime, and trust across MCP discovery, CVEs, SBOMs, CIS benchmarks (AWS, Azure, GCP, Snowflake), OWASP/NIST/MITRE compliance, AISVS v1.0, MAESTRO layer tagging, and vector database security checks. Use when the user mentions…

not rated 31 changed 28d ago A SkillSpector: warn 107 tokens original Apache-2.0

pixee-cli

641

pixee/pixee-cli

Plugin Claude Code

Bundles 17 skills · 717 tokens together

Skills for using the Pixee CLI: authentication, scans, workflows, repositories, findings, and API access.

not rated 31 changed 21d ago A tokens not measured

mxBugChecker

642

MicrotronX/mxLore

Skill Claude Code

Use when the user says "/bugcheck", "/mxBugChecker", "check for bugs", "find bugs", "audit for vulnerabilities", "verify the code", "look for issues in this file", or otherwise requests bug analysis on VCS changes or specific files. Verified-knowledge bug finder — every finding requires concrete code proof. Analyzes…

not rated 31 +1 changed 4d ago A 118 tokens

vuln-chain-composer

643

Orizon-eu/claude-code-pentest

Skill Claude CodeCodex

Composes multi-step exploit chains by correlating vulnerabilities across domains, calculates real impact of chained findings, generates end-to-end PoC scripts, and produces bug bounty ready reports. Use when user asks to "chain vulnerabilities", "compose exploit chain", "correlate findings", "calculate real impact"…

not rated 31 +3 8mo ago A 98 tokens original MIT

ajhcs/mbse-agents

Agent Claude Code

Principal automotive SE specializing in ISO 26262 ASIL allocation, AUTOSAR Classic/Adaptive architecture, ISO 21434 cybersecurity, SOTIF, and multi-tool MBSE crosswalks for ADAS and powertrain programs.

not rated 31 +1 25d ago A 52 tokens original MIT

claude-env-cleanup

645

pnedfff/claude-env-cleanup

Skill Codex

Audit, clean, and when explicitly requested uninstall local Claude Code, Claude Desktop/PWA, Anthropic browser bridges/extensions, auth/config residue, CC Switch app/data/routes, Claude network signals, DNS/WebRTC leaks, browser locale/timezone/font signals, PWR fingerprint signals, environment fingerprint baseline…

not rated 31 +2 4mo ago B 311 tokens

sorah-guides

646

sorah/config

Plugin Claude Code

Bundles 22 skills, 3 commands, 1 agent · 2,278 tokens together

Coding guidelines and review tools. Skills for general coding, Ruby, Rails (including problem-details errors, protobuf-native APIs, psqldef schemas, Aurora DSQL, and running on AWS Lambda), Sorbet and Steep typing and adoption, developer toolchain (mise, hk), Rust, Terraform, GitHub Actions workflows, security, git…

not rated 31 changed 12d ago A tokens not measured original MIT

fluent-skillset

647

modesty/fluent-mcp

Plugin Claude Code

Bundles 5 skills · 201 tokens together

ServiceNow Fluent (now-sdk) skills for building applications, querying live instances, and running security, general best-practice, performance, and domain separation (MSP) reviews.

not rated 31 changed 11d ago A tokens not measured original MIT

janee

648

rsdouglas/janee

Skill Claude CodeCodex

Secure API proxy that stores credentials encrypted and injects auth server-side. Use when: (1) making any external API call — "call the Stripe API", "enrich my data [from PeopleDataLabs]", "create an image [using Nano Banana API]", "use a [RapidAPI service]", (2) the user shares an API key, token, or secret — "here's…

not rated 30 7mo ago A 176 tokens original MIT

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