JustineDevs/premortem

An agentic system that performs swarm-style repository audits and synthesizes structured GitLab/Github issues.

2Stars on the repository
200Mods indexed here, across every type
1mo agoLast push, which is what freshness is scored on
Apache-2.0Licence, which decides whether bodies are shown

quickstart

145

JustineDevs/premortem

Skill Claude CodeCodex

Copy-pasteable Nango quickstart prompt for agents. Guides brand-new Nango customers from signup through API key setup, integration setup, connection authorization, and action/sync next steps. Use for first Nango integration walkthroughs.

not rated 2 1mo ago A 50 tokens original Apache-2.0

race-condition

146

JustineDevs/premortem

Skill Claude CodeCodex

Race condition and TOCTOU testing for web apps. Use when testing one-time operations, concurrent HTTP abuse, rate-limit bypass, Turbo Intruder gates, HTTP/2 single-packet attacks, and CWE-362-style synchronization gaps.

not rated 2 1mo ago A 50 tokens copy · 100% Apache-2.0

react-doctor

147

JustineDevs/premortem

Skill Claude CodeCodex

Use when finishing a feature, fixing a bug, before committing React code, or when the user types /doctor, asks to scan, triage, or clean up React diagnostics. Covers lint, accessibility, bundle size, architecture. Includes a regression check and a full local-triage workflow that fetches the canonical playbook.

not rated 2 1mo ago A 70 tokens copy · 83% Apache-2.0

recon-and-methodology

148

JustineDevs/premortem

Skill Claude CodeCodex

Reconnaissance and methodology playbook. Use when mapping assets, discovering endpoints, fingerprinting technology, and building a structured testing plan for a new target.

not rated 2 1mo ago C 37 tokens copy · 100% Apache-2.0

recon-for-sec

149

JustineDevs/premortem

Skill Claude CodeCodex

Entry P1 category router for reconnaissance and methodology. Use when mapping scope, discovering assets, fingerprinting technology, building endpoint inventory, and choosing the first high-value security testing path.

not rated 2 1mo ago A 41 tokens copy · 100% Apache-2.0

request-smuggling

150

JustineDevs/premortem

Skill Claude CodeCodex

HTTP request smuggling and desynchronization testing. Use when front proxies, CDNs, or load balancers disagree with the origin on message framing (Content-Length vs Transfer-Encoding), on HTTP/2→HTTP/1 translation, or when exploring client-side desync via browser fetch pipelines.

not rated 2 1mo ago B 62 tokens copy · 98% Apache-2.0

responsive-design

151

JustineDevs/premortem

Skill Claude CodeCodex

Implement modern responsive layouts using container queries, fluid typography, CSS Grid, and mobile-first breakpoint strategies. Use when building adaptive interfaces, implementing fluid layouts, or creating component-level responsive behavior.

not rated 2 1mo ago A 40 tokens copy · 100% Apache-2.0

JustineDevs/premortem

Skill Claude CodeCodex

Reverse shell techniques playbook. Use when establishing remote shells including language one-liners, encrypted shells (OpenSSL/socat/ncat), web shells, PTY upgrades, file transfer methods, PowerShell shells, and Windows payload generation.

not rated 2 1mo ago C 52 tokens copy · 100% Apache-2.0

rsa-attack-techniques

153

JustineDevs/premortem

Skill Claude CodeCodex

RSA attack playbook for CTF and real-world cryptanalysis. Use when given RSA parameters (n, e, c) and need to recover plaintext by exploiting weak keys, small exponents, shared factors, or padding oracles.

not rated 2 1mo ago A 53 tokens copy · 100% Apache-2.0

JustineDevs/premortem

Skill Claude CodeCodex

SAML SSO assertion attack playbook. Use when testing signature validation, assertion wrapping, audience restrictions, ACS handling, XML trust boundaries, and enterprise SSO flaws.

not rated 2 1mo ago A 44 tokens copy · 100% Apache-2.0

JustineDevs/premortem

Skill Claude CodeCodex needs its repo

Sandbox escape playbook. Use when breaking out of Python sandbox, Lua sandbox, seccomp filter, chroot jail, container/Docker, browser sandbox, or namespace isolation to achieve unrestricted code execution or file access.

not rated 2 1mo ago A ✓ AI review 49 tokens copy · 100% Apache-2.0

android-pentest

156

JustineDevs/premortem

Skill Claude CodeCodex

Comprehensive Android mobile application penetration testing with rooted-device ADB and Frida-based MCP tooling. Covers OWASP MASTG full methodology: recon, static + dynamic analysis, SSL/root bypass, IPC fuzzing, data exfiltration, crypto audit, and reporting. Triggers on requests to pentest Android apps, analyze…

not rated 2 1mo ago A 87 tokens original Apache-2.0

api-security

157

JustineDevs/premortem

Skill Claude CodeCodex

Router skill for API penetration testing across REST, GraphQL, gRPC, and WebSocket. Covers OWASP API Top 10 (2023) including BOLA/BFLA/BOPLA, JWT attack chains, GraphQL introspection abuse, and mass assignment. Invoke when the user asks to pentest an API, analyze OpenAPI/Swagger, test auth/authorization, fuzz…

not rated 2 1mo ago A 87 tokens original Apache-2.0

cloud-security

158

JustineDevs/premortem

Skill Claude CodeCodex

Multi-cloud security assessment skill for AWS, Azure, and GCP. Use when performing cloud security audits, scanning for misconfigurations, testing IAM policies, auditing storage permissions, and identifying privilege escalation paths. Triggers on requests to audit cloud security, scan AWS/Azure/GCP, check cloud…

not rated 2 1mo ago A 85 tokens original Apache-2.0

container-security

159

JustineDevs/premortem

Skill Claude CodeCodex

Container and Kubernetes security assessment — image vulnerability scanning, SBOM diff analysis, K8s cluster auditing, RBAC privilege mapping, NetworkPolicy review, container escape testing, and runtime monitoring (Falco/Tetragon). Use when scanning Docker/OCI images, auditing K8s clusters, reviewing Dockerfiles…

not rated 2 1mo ago A 118 tokens copy · 92% Apache-2.0

dast-automation

160

JustineDevs/premortem

Skill Claude CodeCodex

Automated Dynamic Application Security Testing (DAST) using Playwright MCP plus standard OS pentest tooling. Performs blackbox or greybox scans on single or multiple domains with orchestrated crawling, vulnerability detection, and structured output. Trigger on requests like "scan this domain", "run DAST on these…

not rated 2 1mo ago A 81 tokens original Apache-2.0

iac-security

161

JustineDevs/premortem

Skill Claude CodeCodex

Infrastructure-as-Code security scanning router for Terraform, CloudFormation, Kubernetes manifests, Helm, ARM/Bicep. Orchestrates Checkov, tfsec, Terrascan, KICS, kubesec, kube-linter, Polaris, cfn-lint/cfn-nag, and OPA/Conftest. Use when auditing IaC for misconfigurations, scanning Terraform plans, validating K8s…

not rated 2 1mo ago A 105 tokens copy · 92% Apache-2.0

ios-pentest

162

JustineDevs/premortem

Skill Claude CodeCodex

Thin router for an iOS app security assessment. Full OWASP MASTG coverage (recon → static → dynamic → network → storage → crypto → auth → reporting). Detailed runbooks live under workflows/ and methodology/; load them only when needed.

not rated 2 1mo ago A 95 tokens original Apache-2.0

llm-security

163

JustineDevs/premortem

Skill Claude CodeCodex

LLM and AI application security testing skill for prompt injection (direct, indirect, multimodal), system-prompt extraction, RAG poisoning, memory poisoning, MCP server injection, skill-file injection, agentic tool misuse, computer-use UI injection, and excessive agency. Authorization required — this skill tests AI…

not rated 2 1mo ago A 118 tokens original Apache-2.0

network-pentest

164

JustineDevs/premortem

Skill Claude CodeCodex

Internal network and Active Directory penetration testing skill for corporate environments. Use when performing authorized internal network assessments, AD attack path analysis, lateral movement, privilege escalation, and post-exploitation across Windows/Linux estates. Covers BloodHound, Impacket…

not rated 2 1mo ago A 103 tokens original Apache-2.0

sast-orchestration

165

JustineDevs/premortem

Skill Claude CodeCodex

Static Application Security Testing orchestration — run and compose Semgrep, CodeQL, Bandit, gosec, Brakeman, SpotBugs, ESLint; author custom rules; ingest SARIF; triage and rank findings by exploitability. Use this skill when asked to scan code for vulnerabilities, write Semgrep/CodeQL rules, triage SAST output…

not rated 2 1mo ago A 138 tokens original Apache-2.0

sca-security

166

JustineDevs/premortem

Skill Claude CodeCodex

Software Composition Analysis: find vulnerable dependencies, correlate CVE/GHSA/OSV across ecosystems, generate CycloneDX/SPDX SBOMs, assess license compliance, and run reachability-aware triage to suppress unexploitable findings. Use when scanning package dependencies (npm, PyPI, Maven, Cargo, Go, RubyGems…

not rated 2 1mo ago A 137 tokens original Apache-2.0

threat-modeling

167

JustineDevs/premortem

Skill Claude CodeCodex

Systematic threat modeling skill for applications, APIs, and systems using STRIDE, PASTA, Attack Trees, DREAD, LINDDUN, and OCTAVE. Use when assessing security architecture, creating data flow diagrams (Mermaid), enumerating threats from OpenAPI specs or architecture docs, building attack trees, mapping threats to…

not rated 2 1mo ago A 117 tokens copy · 95% Apache-2.0

seo-audit

168

JustineDevs/premortem

Skill Claude CodeCodex

When the user wants to audit, review, or diagnose SEO issues on their site. Also use when the user mentions "SEO audit," "technical SEO," "why am I not ranking," "SEO issues," "on-page SEO," "meta tags review," "SEO health check," "my traffic dropped," "lost rankings," "not showing up in Google," "site isn't ranking,"…

not rated 2 1mo ago A 170 tokens copy · 95% Apache-2.0

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