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Testing & Security skills

Test design, vulnerability assessment, and quality assurance (13.1K skills)

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agent-evals

FreeSummary

Build repeatable evaluations for AI agent responses, tool choices, and multi-step tasks. Use reference datasets and scoring criteria to compare changes, detect quality regressions, and set automated checks that must pass before deployment.

  • Compare agent quality before and after prompt changes
  • Test tool selection and multi-step task execution
  • Evaluate resistance to prompt injection
sickn33/agentic-awesome-skills48.2KUpdated Oct 21, 2026

gitnexus-review

FreeSummary

Review pull requests, branches, commit ranges, or local changes with GitNexus. Combine code relationship analysis with source and test inspection to identify concrete defects, missing tests, affected behavior, and risks before merging.

  • Review a pull request before merging
  • Trace regressions beyond changed files
  • Find missing tests for changed behavior
abhigyanpatwari/GitNexus48KUpdated Oct 21, 2026

Understand and extend GitNexus taint analysis, which tracks data from input sources to potentially dangerous operations. Use its implementation guidance to investigate missed or incorrect findings, add detection models, and validate analysis changes.

  • Investigating missed or incorrect data-flow findings
  • Adding input sources, dangerous operations, or sanitizers
  • Reviewing analysis that follows data across functions
abhigyanpatwari/GitNexus48KUpdated Oct 21, 2026

Create a disposable Herdr session to reproduce terminal, process, API, or agent issues separately from the main session. Drive tests through the CLI or API, collect evidence of state changes, and clean up the temporary session afterward.

  • Reproducing pane, terminal, or process issues in Herdr
  • Checking agent detection and permission-related state changes
  • Collecting commands, logs, and state for a reproducible bug report
herdrdev/herdr45.1KUpdated Oct 21, 2026

Check token security audit data before buying or swapping crypto. Review contract and trading risks, buy and sell taxes, and signs of scams such as tokens that can be bought but cannot be sold.

  • Check token risks before a purchase or swap
  • Look for tokens that can be bought but not sold
  • Review dangerous contract functions and owner controls
ccxt/ccxt44.5KUpdated Oct 21, 2026

dogfood

Official · VercelFreeSummary

Explore a web application as a user to find reproducible bugs and usability problems. Produce a structured report with reproduction steps, screenshots, and videos for interactive issues, giving responsible teams concrete evidence to investigate.

  • Checking a web app's quality before release
  • Testing forms and common user workflows
  • Finding confusing interfaces and visual problems
vercel-labs/agent-browser44.4KUpdated Oct 21, 2026

claude-security

Official · ClaudeFreeSummary

Scan a codebase or selected changes for security issues, then request targeted patch files for findings. Independent agents verify reported issues and proposed fixes, while you review and apply patches yourself.

  • Auditing an entire repository or a selected area
  • Checking security issues in branch or pull request changes
  • Scanning a single commit
anthropics/claude-plugins-official43.5KUpdated Oct 21, 2026

access

Official · ClaudeFreeSummary

Manage access to a Discord channel integration by approving pairing codes, updating allowed users, and setting direct-message and channel policies. Check pending requests and adjust reply behavior through configuration files read by the channel server.

  • Approve or deny a Discord pairing request
  • Review and update allowed users
  • Change direct-message access policies
anthropics/claude-plugins-official43.5KUpdated Oct 21, 2026

access

Official · ClaudeFreeSummary

Manage access to a Telegram channel integration by approving pairing codes, updating allowed users, and setting direct-message and group policies. Check pending requests and adjust reply behavior through configuration files read by the channel server.

  • Approve or deny a Telegram pairing request
  • Review and update allowed users
  • Change direct-message access policies
anthropics/claude-plugins-official43.5KUpdated Oct 21, 2026

Investigate prompt injection in sandboxed security challenges by tracing how untrusted text changes an agent’s decisions or tool calls. Build a minimal reproduction and preserve evidence showing where external content crosses into trusted instructions or actions.

  • Trace instructions hidden in retrieved documents
  • Investigate agent behavior changed by stored memory
  • Reproduce altered tool arguments or secret exposure
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Reproduce timing and ordering bugs in a CTF sandbox using controlled concurrent requests. Compare normal and racing runs, trace reads and writes, and preserve a minimal sequence that demonstrates duplicate actions or inconsistent state.

  • Reproduce bugs triggered by simultaneous requests
  • Investigate duplicate actions and ineffective duplicate prevention
  • Trace stale reads and gaps in locking
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Organize CTF investigations by mapping the supplied targets, tracing one minimal path, and selecting the relevant specialist workflow. Findings are grounded in observed behavior and reproducible evidence, with a clean baseline used for verification.

  • Choosing an analysis path for a CTF challenge
  • Tracing a minimal path through challenge infrastructure
  • Packaging reproducible evidence for a solution
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Investigate Windows secrets protected by DPAPI, a system for encrypting sensitive data, in a CTF sandbox. Trace the required keys and account context through decryption, then verify which service accepts the recovered secret.

  • Inspect DPAPI-protected data and masterkeys
  • Trace credentials stored by browsers or Windows Vault
  • Identify the account or machine context needed for decryption
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Examine Windows credential material in a CTF sandbox, including LSASS memory and Kerberos tickets. Distinguish stored secrets from credentials that actually work, and document the evidence linking their source to successful authentication or resulting privileges.

  • Examining LSASS secrets and Windows logon sessions
  • Checking whether recovered Kerberos tickets are usable
  • Tracing DPAPI and SSP credential material
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Compare how proxies and backend servers interpret HTTP requests in a CTF sandbox. Use paired requests and logs to pinpoint differences in paths, headers, or message boundaries, then document a minimal reproduction of unintended routing.

  • Compare HTTP interpretation across proxies and backend servers
  • Investigate path normalization and decoding differences
  • Trace routing changes caused by ambiguous headers
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Analyze packet captures in a CTF sandbox by rebuilding communication sessions and decoding message contents. Recover transferred files and connect packet order, timing, and reconstructed streams to observed host or malware behavior.

  • Rebuild TCP or UDP communication sessions
  • Decode HTTP, DNS, or custom protocol messages
  • Recover files transferred over the network
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Trace uploaded files through extraction, conversion, parsing, and reconstruction of saved objects in a CTF sandbox, an isolated competition environment. Preserve original and derived files, distinguish visible validation from backend behavior, and document the smallest reproducible processing chain.

  • Trace an uploaded file to its backend effect
  • Investigate archive extraction and preview generation
  • Compare visible validation with backend file handling
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Trace SSH keys, tokens, and other credentials in Linux CTF environments. Connect each recovered artifact to the service that accepts it, then document the resulting privileges or movement to another host.

  • Trace where recovered SSH keys and tokens are accepted
  • Document privilege gains through sockets or sudo
  • Explain movement between Linux challenge hosts
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Trace how requests become rendered pages in a CTF sandbox. Compare display restrictions with server enforcement, inspect data passed to the browser, and preserve a minimal example that demonstrates where rendering behavior diverges.

  • Trace routes through server rendering
  • Inspect page data passed to the browser
  • Compare display restrictions with handler enforcement
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Trace how requests travel through a CTF sandbox, from hostnames and proxy rules to containers and processes. Compare headers and live traffic to identify which service handles a request and what changes its destination.

  • Identify which container handles a request
  • Check how Host and forwarded headers affect routing
  • Trace path rewrites and WebSocket routing
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Compare GraphQL and RPC contracts, which describe expected API behavior, with generated clients and live handlers in a CTF sandbox. Identify hidden or outdated operations and preserve minimal request pairs that demonstrate the mismatch.

  • Compare API contracts with live request handling
  • Trace requests made by generated clients
  • Investigate hidden or outdated API operations
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Analyze running iOS apps in a CTF sandbox, a controlled challenge environment. Trace methods, inspect secure storage, and examine request signing and certificate checks to identify the state needed to reproduce an accepted request.

  • Trace Objective-C or Swift methods
  • Inspect Keychain and local app storage
  • Examine certificate checks and request signing
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Recover hidden malware settings and communication parameters in an isolated CTF environment. Document how values are decoded, preserve supporting evidence, and connect recovered fields to the sample’s observed behavior.

  • Recovering hidden malware configuration fields
  • Decoding command server addresses and beacon settings
  • Separating loaders from staged payloads
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026

Trace software artifacts from source and dependencies through builds, publishing, and runtime use in CTF sandboxes. Compare intended versions with shipped files to identify the earliest divergence and document the evidence linking each stage.

  • Comparing declared, resolved, and shipped dependency versions
  • Tracing package or build tampering through CI/CD
  • Identifying the artifact actually used at runtime
zhaoxuya520/reverse-skill42.9KUpdated Sep 22, 2026