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Security

408 security agent skills. Back to the full catalog.

  1. claude-security anthropics/claude-plugins-official

    Claude Security: scan the codebase (the whole repository or a scoped part of it), scan changes (this branch's or a pull request's diff, or one commit), or suggest patches (findings turned into targeted patch files, each…

    2,326 installs
  2. Use this skill as THE specialized Lightning Web Security (LWS) validator for a Lightning Web Component bundle (`.js`, `.ts`, `.html`, `.css`, `.js-meta.xml`) — the canonical LWS/Product-Security review for LWCs, NOT a g…

    2,235 installs
  3. github-actions-hardening github/awesome-copilot

    Security hardening reviewer for GitHub Actions workflow files (.github/workflows/*.yml). Reasons about the Actions threat model that pattern matchers and general code linters miss — untrusted-input script injection, pri…

    2,162 installs
  4. cc-skill-security-review sickn33/agentic-awesome-skills

    This skill guides review of security practices and potential vulnerabilities; no checklist ensures all code is secure. Use when implementing authentication or authorization, handling user input or file uploads, or creat…

    2,141 installs
  5. find-exposed-servers useosint/skills

    Find internet-exposed hosts, ports, services and devices using third-party internet-scan data instead of touching the target. Covers Shodan and Censys query syntax, service banners, favicon-hash and TLS-certificate pivo…

    1,987 installs
  6. rust-review trailofbits/skills

    Performs comprehensive Rust security review for safe/unsafe boundary issues, memory safety in unsafe blocks, concurrency hazards, panic-induced DoS, FFI safety, and async runtime mistakes. Use when auditing Rust crates,…

    1,979 installs
  7. codeql github/awesome-copilot

    Comprehensive guide for setting up and configuring CodeQL code scanning via GitHub Actions workflows and the CodeQL CLI. This skill should be used when users need help with code scanning configuration, CodeQL workflow f…

    1,977 installs
  8. roblox-security tabooharmony/roblox-brain

    Use when auditing or hardening Roblox code against exploits: authority, remotes, economy, purchases, and DataStore flows.

    1,943 installs
  9. who-owns-this-domain useosint/skills

    Establish who registered and who operates a domain using WHOIS, RDAP and DNS. Use when running a whois lookup, querying RDAP, digging A, AAAA, MX, NS, TXT, SOA or CAA records, reading SPF includes, DKIM selectors or DMA…

    1,922 installs
  10. mapbox-token-security mapbox/mapbox-agent-skills

    Security best practices for Mapbox access tokens, including scope management, URL restrictions, rotation strategies, and protecting sensitive data. Use when creating, managing, or advising on Mapbox token security.

    1,904 installs
  11. security cognitedata/builder-skills

    MUST be used whenever fixing security issues in a Flows app, or before shipping any feature that handles credentials, user input, or external data. This skill finds AND fixes security problems — it does not just report…

    1,903 installs
  12. secops-triage google/skills

    Expert guidance for security alert triage in Google SecOps. Use when investigating and triaging security alerts, determining false positives vs. true positives, assessing entity risk, adjusting alert severity or priorit…

    1,888 installs
  13. secops-investigate google/skills

    Expert guidance for deep security incident and entity investigations in Google SecOps. Use when investigating cases, analyzing entities (hosts, IPs, domains, hashes, users), extracting and searching UDM events, performi…

    1,887 installs
  14. secrets-in-git-history useosint/skills

    Mine GitHub, GitLab and git history for identities, infrastructure and leaked credentials using commit author emails, GitHub code search, the commit .patch endpoint, trufflehog, gitleaks, git log pickaxe and full-ref hi…

    1,886 installs
  15. secops-cases google/skills

    Manage Google Security Operations (SecOps) SOAR cases throughout their lifecycle. Use when listing, creating, inspecting, updating, or closing SOAR cases; adding investigative comments and notes; updating case priority…

    1,880 installs
  16. secops-hunt google/skills

    Expert guidance for proactive threat hunting in Google SecOps. Use when proactively hunting for threats, retroactively analyzing indicators of compromise (IoCs), performing prevalence searches across enterprise events,…

    1,880 installs
  17. Author, validate, test, and deploy YARA-L 2.0 detection rules and evaluate end-to-end detection coverage gaps in Google SecOps. Use when writing new detection rules, tuning existing rules, validating syntax, testing log…

    1,873 installs
  18. aws-secrets-manager aws/agent-toolkit-for-aws

    Secret safety for AWS Secrets Manager, secret management, credentials, API keys, tokens, and passwords. Prevents AI agents from directly fetching secret values and teaches runtime dynamic references with asm-exec so pla…

    1,859 installs
  19. End-to-end passive reconnaissance for a domain, website or IP — builds an asset inventory covering registration, DNS, subdomains, infrastructure, tech stack, history and ownership without sending a single packet to the…

    1,833 installs
  20. Review PlanetScale Postgres for Traffic Control, query tags, roles, pg_strict, backups/PITR, private connectivity, webhooks, branches, and safe agent operation.

    1,818 installs
  21. hunt-a-handle useosint/skills

    Enumerate a username across hundreds of platforms with sherlock, maigret and WhatsMyName, then correlate and confirm which accounts genuinely belong to the same person. Use for username OSINT and handle enumeration, "fi…

    1,804 installs
  22. whose-number-is-this useosint/skills

    Investigate a phone number — E.164 normalisation with libphonenumber, phoneinfoga scanning, carrier and line-type identification, VoIP and burner detection, messaging-app registration checks, and reverse-lookup and call…

    1,802 installs
  23. mantis-threat-model google/mantis

    Synthesizes trust boundaries, attack surfaces, and attacker profiles into a living threat model. Use as Stage B of the Knowledge Base generation process, reading architecture and entity definitions from the KB. Don't us…

    1,795 installs
  24. follow-the-crypto useosint/skills

    Trace cryptocurrency addresses and transactions on public blockchains using block explorers including Etherscan, Blockchair, mempool.space and Blockscout. Covers common-input clustering, ENS resolution, exchange deposit…

    1,788 installs
  25. pentest-tools zhaoxuya520/reverse-skill

    主动渗透测试工具链。覆盖信息收集、端口扫描、漏洞扫描、Web 渗透、SQL 注入、目录爆破、密码破解等场景。 通过 MCP server(pentestMCP / mcp-security-hub)将 20+ 安全工具暴露给 AI agent。 触发关键词:渗透测试、端口扫描、Nmap、漏洞扫描、Nuclei、SQL 注入、SQLMap、目录爆破、FFUF、密码破解、Hashcat、信息收集、子域名、Web 渗透、ZAP、Burp。

    1,781 installs
  26. find-hidden-subdomains useosint/skills

    Enumerate an organisation's subdomains and sibling domains from Certificate Transparency logs and passive DNS, without sending traffic to the target. Covers crt.sh and CT log queries, certificate SAN fields, subfinder a…

    1,747 installs
  27. security-review sickn33/agentic-awesome-skills

    No description provided.

    1,727 installs
  28. find-leaks-in-the-wild useosint/skills

    Find leaked or mentioned selectors circulating in pastes, leak forums, Telegram channels and dump markets, and judge whether a claimed leak is genuine or a recycled combolist. Covers paste aggregators, site: searches ov…

    1,711 installs
  29. google-like-a-spy useosint/skills

    Craft advanced search-engine queries and Google dorks to surface hidden files, documents and mentions. Covers site:, filetype:, inurl:, intitle:, intext: and before:/after: operators, verbatim search, exposed directory…

    1,692 installs
  30. owasp-security-check sergiodxa/agent-skills

    Security audit guidelines for web applications and REST APIs based on OWASP Top 10 and web security best practices. Use when checking code for vulnerabilities, reviewing auth/authz, auditing APIs, or before production d…

    1,690 installs
  31. Best practices for Android Intent security. Use this skill when auditing component configurations in AndroidManifest.xml activities, services, receivers) or source code handling incoming Intents (getIntent, getParcelabl…

    1,680 installs
  32. gdpr-compliant github/awesome-copilot

    Apply GDPR-compliant engineering practices across your codebase. Use this skill whenever you are designing APIs, writing data models, building authentication flows, implementing logging, handling user data, writing rete…

    1,652 installs
  33. anthropic-cybersecurity-skills reason-machines/security-skills

    Use 754 structured cybersecurity skills mapped to MITRE ATT&CK, NIST CSF, ATLAS, D3FEND, and NIST AI RMF for AI-driven security operations

    1,650 installs
  34. shannon-ai-pentester reason-machines/trending-skills

    Autonomous white-box AI pentester for web applications and APIs using source code analysis and live exploit execution

    1,650 installs
  35. apk-reverse zhaoxuya520/reverse-skill

    在 CLI 环境下做 Android APK 逆向时使用。适用于 APK 解包、Java 反编译、smali 修改、重打包、Frida 动态 Hook,以及按需切换到 so/native 分析。优先使用本机已安装的 jadx、apktool、frida、adb、ida-reverse、radare2。

    1,629 installs
  36. llm-security semgrep/skills

    Security guidelines for LLM applications based on OWASP Top 10 for LLM 2025. Use when building LLM apps, reviewing AI security, implementing RAG systems, or asking about LLM vulnerabilities like 'prompt injection' or 'c…

    1,603 installs
  37. jwt-security mindrally/skills

    Guidelines for implementing JWT authentication with security best practices for token creation, validation, and storage

    1,575 installs
  38. mantis-summarize google/mantis

    Pre-processes the repository by generating security-focused summaries (mantis-summary.md) for each directory to make planning and research more efficient. Use when starting a review campaign to map the codebase before t…

    1,552 installs
  39. convex-security-audit waynesutton/builder-skills

    No description provided.

    1,549 installs
  40. mantis-plan google/mantis

    Formulates a targeted defensive security reviewing plan based on the active threat model and historical learnings. Use when starting a security review campaign to map the codebase boundaries and generate a roadmap (work…

    1,545 installs
  41. Run an AWS Security Agent threat model review on spec/design documents. Use when the user asks to review a spec for security, run a threat model, check if a design introduces security risks, review requirements.md or de…

    1,543 installs
  42. mantis-dedupe google/mantis

    Consolidates raw security findings to eliminate redundant reports. Use when raw findings have been generated by the researcher and need consolidation before review. Don't use for initial code auditing or patch generatio…

    1,533 installs
  43. mantis-reproduce google/mantis

    Generates and runs crash reproducers to verify security flaws. Use when viable findings exist and you need to write and execute a script or payload to verify the crash. Don't use for code auditing or patching.

    1,525 installs
  44. mantis-calibrate google/mantis

    Calculates the final risk score based on empirical evidence and architectural impact. Use when findings have been fully processed by previous stages and you need to append final risk scores to the finding files. Don't u…

    1,523 installs
  45. pentesting-with-aws-security-agent aws/agent-toolkit-for-aws

    Run an AWS Security Agent penetration test against a live web application — registers and verifies the target domain, exercises the supplied endpoints with the managed Security Agent service, and returns verified runtim…

    1,519 installs
  46. mantis-history google/mantis

    Analyzes the repository's version control system (VCS) history to extract past vulnerabilities, security fixes, and vulnerability patterns. Use as an initial pre-processing step to build a historical vulnerabilities dat…

    1,514 installs
  47. mantis-patch google/mantis

    Generates minimal security fixes using transactional isolation (shadow directories or file backups), applies patches, and verifies them. Use when security findings are successfully reproduced and need patches applied an…

    1,513 installs
  48. agent-owasp-compliance github/awesome-copilot

    Check any AI agent codebase against the OWASP Agentic Security Initiative (ASI) Top 10 risks. Use this skill when: - Evaluating an agent system's security posture before production deployment - Running a compliance chec…

    1,512 installs
  49. mantis-chain google/mantis

    Analyzes individual security findings to identify and construct complex exploit chains. Use after validation stages to see if multiple low-severity bugs can be combined into a higher impact vulnerability. Don't use for…

    1,507 installs
  50. setup-security-agent aws/agent-toolkit-for-aws

    Configure AWS Security Agent for the current workspace — provision or reuse an agent space, IAM service role, and S3 bucket. Use when the user asks to "set up security agent", "configure security scanner", "is security…

    1,492 installs