Security And Hardening
penpot/penpot
Hardens code against vulnerabilities. An agent skill from penpot/penpot.
Web application security testing workflow and checklist generation.
$ npx skills add SpecterOps/skills --skill webapp-review -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install SpecterOps/skills webapp-review --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/SpecterOps/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/ops-appsec/skills/webapp-review .claude/skills/webapp-review && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "webapp-review" agent skill from https://github.com/SpecterOps/skills/tree/main/plugins/ops-appsec/skills/webapp-review into .claude/skills/webapp-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "webapp-review", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/SpecterOps/skills/tree/main/plugins/ops-appsec/skills/webapp-reviewType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add SpecterOps/skills --skill webapp-review -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install SpecterOps/skills webapp-review --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/SpecterOps/skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/plugins/ops-appsec/skills/webapp-review .agents/skills/webapp-review && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "webapp-review" agent skill from https://github.com/SpecterOps/skills/tree/main/plugins/ops-appsec/skills/webapp-review into .agents/skills/webapp-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "webapp-review", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add SpecterOps/skills --skill webapp-review -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install SpecterOps/skills webapp-review --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/SpecterOps/skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/plugins/ops-appsec/skills/webapp-review .cursor/skills/webapp-review && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "webapp-review" agent skill from https://github.com/SpecterOps/skills/tree/main/plugins/ops-appsec/skills/webapp-review into .cursor/skills/webapp-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "webapp-review", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/SpecterOps/skills.git --path plugins/ops-appsec/skills/webapp-review--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add SpecterOps/skills --skill webapp-review -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install SpecterOps/skills webapp-review --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/SpecterOps/skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/plugins/ops-appsec/skills/webapp-review .gemini/skills/webapp-review && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "webapp-review" agent skill from https://github.com/SpecterOps/skills/tree/main/plugins/ops-appsec/skills/webapp-review into .gemini/skills/webapp-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "webapp-review", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install SpecterOps/skills webapp-reviewInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add SpecterOps/skills --skill webapp-review -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/SpecterOps/skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/plugins/ops-appsec/skills/webapp-review .github/skills/webapp-review && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "webapp-review" agent skill from https://github.com/SpecterOps/skills/tree/main/plugins/ops-appsec/skills/webapp-review into .github/skills/webapp-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "webapp-review", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add SpecterOps/skills --skill webapp-review -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install SpecterOps/skills webapp-review --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/SpecterOps/skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/plugins/ops-appsec/skills/webapp-review .opencode/skills/webapp-review && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "webapp-review" agent skill from https://github.com/SpecterOps/skills/tree/main/plugins/ops-appsec/skills/webapp-review into .opencode/skills/webapp-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "webapp-review", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
webapp-reviewWeb application security testing workflow and checklist generation.
Webapp Review is an agent skill from SpecterOps/skills. Web application security testing workflow and checklist generation. Use when planning or executing web app assessment steps, including auth, API, injection, and configuration testing.
Its SKILL.md is about 1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including assets (for example `agents/openai.yaml`).
It sits in Security, covering Web application vulnerabilities. The repository describes itself as: A marketplace for LLM skills. The licence is Apache-2.0.
6 steps, taken from the first numbered list in SKILL.md.
Read from SKILL.md and the folder at commit e655f93. It shows what the files ask for, not the result of running them.
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Shell commands in SKILL.md call:
curlFrom the folder's file list and the shell code blocks in SKILL.md.
No URLs in SKILL.md. Its commands use curl, which can reach the network depending on how they are called.
From URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Webapp Review loads about 1k tokens when it runs. Until then it costs about 49 tokens; SKILL.md has 341 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
The full file from SpecterOps/skills at commit e655f93, republished under its Apache-2.0 licence (© SpecterOps). 341 words, ~1,014 tokens.
.claude/skills/webapp-review/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.Generate structured web security test plans and, when requested, execute active tests.
Accept input as: TARGET [SCOPE] [MODE]
Scopes:
full (default)authapiinjectionconfigModes:
plan: checklist + suggested commands onlyexecute (default, preferred): run test commandsIf mode is omitted, default to execute.
Examples:
$webapp-review https://app.example.com$webapp-review https://api.example.com api$webapp-review https://app.example.com full execute$webapp-review authexecute, run routine in-scope command batches autonomously.mkdir -p recon/recon/webapp-<target-slugified>.mdexecute mode is requested:Prefer target-safe, bounded commands and annotate intent:
# HTTP probe and fingerprint
curl -isk <target>
# Endpoint/content discovery
ffuf -u <target>/FUZZ -w <wordlist> -mc 200,301,302,403
# API/security template checks
nuclei -u <target> -tags cves,misconfig,exposure
# Parameter fuzzing baseline
ffuf -u '<target>?id=FUZZ' -w <payloads>
# Optional sqlmap quick triage (approval only if OPSEC-dangerous in this context)
sqlmap -u '<target>?id=1' --batch --risk=1 --level=1# Webapp Security Review ? <target>
## Scope: <scope>
## Mode: <plan|execute>
## Executive Summary
- High-level risk overview
## Checklist
- [ ] Item
## Suggested Commands
- command + purpose
## Executed Commands and Results
- command
- key output
- interpretation
## Prioritized Next Steps
1. next action
2. next action© SpecterOps, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
SKILL.md and 3 other files (assets) in plugins/ops-appsec/skills/webapp-review of SpecterOps/skills.
Open the folder on GitHubat commit e655f93
Webapp Review next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Webapp Review this skillSpecterOps/skills | 702 | — | ~1k | Automated safety check: Pass | Apache-2.0 | |
| Security And Hardeningpenpot/penpot | 61k | 6 repos | ~4.7k | Automated safety check: Notes | MPL-2.0 | |
| Security Reviewjewbetcha/opentrace | 116 | 18 repos | ~3.1k | Automated safety check: Notes | MIT | |
| Mavenskjolber/3d-bin-container-packing | 568 | — | ~886 | Automated safety check: Pass | Apache-2.0 | |
| Kuri Agentjustrach/kuri | 365 | — | ~1.3k | Automated safety check: Notes | Custom licence | |
| Code Review Securitynicepkg/auto-company | 192 | 1 repos | ~3.9k | Automated safety check: Pass | MIT |
penpot/penpot
Hardens code against vulnerabilities. An agent skill from penpot/penpot.
jewbetcha/opentrace
A skill your agent uses when adding authentication, handling user input, working with secrets, creating API endpoints, or implementing payment/sensitive features.
skjolber/3d-bin-container-packing
Maven build expertise for this multi-module Java project. An agent skill from skjolber/3d-bin-container-packing.
justrach/kuri
Use kuri-agent to automate Chrome — navigate pages, interact with elements via a11y refs, capture screenshots, run security audits, enumerate cookies/JWTs, probe for IDOR vulnerabilities, and make…
nicepkg/auto-company
Security-focused code review checklist and automated scanning patterns.
addyosmani/agent-skills
Applies a threat-model-first approach to web code that handles untrusted input, authentication, data storage, dependencies or personal data.
SpecterOps/skills
Generate a normalized UTC timeline and evidence-based narrative from Codex activity artifacts.
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A skill your agent uses when the user wants to triage Windows COM proxy/hijack candidates by capturing HKCU\Software\Classes\CLSID\{...}\InProcServer32 NAME NOT FOUND lookups for a process, mapping…
SpecterOps/skills
Perform CWE-grounded security code reviews and precise weakness mapping using a locally derived MITRE CWE corpus, relationship graphs, mapping notes, detection methods, mitigations, and schema…
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A skill your agent uses for Ghostwriter operation log entries from Codex, including config guidance, quick notes, evidence-backed entries, and guided oplog capture through the Ghostwriter MCP tools.
SpecterOps/skills
Parse nmap scan output and generate actionable recon notes. An agent skill from SpecterOps/skills.
SpecterOps/skills
Perform OSINT and external reconnaissance for approved targets.
Categories
Web application security testing workflow and checklist generation. Webapp Review is an agent skill from SpecterOps/skills. Web application security testing workflow and checklist generation.
Webapp Review fits situations like: executing web app assessment steps; configuration testing.
Run `npx skills add SpecterOps/skills --skill webapp-review -a claude-code`. Or copy the skill folder (plugins/ops-appsec/skills/webapp-review in SpecterOps/skills) into .claude/skills/webapp-review in your project. Claude Code loads it when a task matches its description.
Run `npx skills add SpecterOps/skills --skill webapp-review -a codex`. Or copy the skill folder (plugins/ops-appsec/skills/webapp-review in SpecterOps/skills) into .agents/skills/webapp-review in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add SpecterOps/skills --skill webapp-review -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/webapp-review, .gemini/skills/webapp-review, .github/skills/webapp-review and .opencode/skills/webapp-review in your project.
Going by SKILL.md and its folder, Webapp Review needs the command-line tools its instructions call (curl).
SKILL.md contains no URLs. Its commands use curl, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
Webapp Review is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
About 1k tokens (SKILL.md is roughly 4.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
Skills that share tags, products or a category with Webapp Review: Security And Hardening (penpot/penpot, 61k stars), Security Review (jewbetcha/opentrace, 116 stars), Maven (skjolber/3d-bin-container-packing, 568 stars) and Kuri Agent (justrach/kuri, 365 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
SpecterOps (a GitHub organization) maintains it in SpecterOps/skills, which has 702 GitHub stars. The repository holds 38 skills in this directory. The repository was last updated on September 23, 2026.
Source: SpecterOps/skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.