offensive-oauth skillC
offensive-oauth is agent-read markdown (skill) from snailsploit/claude-red.
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# SKILL: OAuth Security Testing ## Metadata - **Skill Name**: oauth-attacks - **Folder**: offensive-oauth - **Source**: https://github.com/SnailSploit/offensive-checklist/blob/main/oauth.md ## Description OAuth 2.0 attack checklist: authorization code interception, redirect_uri bypass, CSRF on OAuth flow, state parameter abuse, open redirector chaining, token leakage via Referer, PKCE bypass, and scope escalation. Use when testing OAuth implementations in web apps or bug bounty. ## Trigger Phrases Use this skill when the conversation involves any of: `OAuth, OAuth 2.0, authorization code, redirect_uri bypass, OAuth CSRF, state parameter, PKCE bypass, scope escalation, token leakage, open redirector, OAuth attack` ## Instructions for Claude When this skill is active: 1. Load and apply the full methodology below as your operational checklist 2. Follow steps in order unless the user specifies otherwise 3. For each technique, consider applicability to the current target/context 4. Track which checklist items have been completed 5. Suggest next steps based on findings --- ## Full Methodology # OAuth Security Testing ## Shortcut …
Read the whole file at its exact version.
How to install
mdr add snailsploit/claude-red/offensive-oauth@git:20260506.70e0c89mdr add snailsploit/claude-red/offensive-oauth@sha256:1202b700fac05d63Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_j5yklrnmapuhuo3d)
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Versions
Audit of the latest version
- fail: Frontmatter block present
- fail: Frontmatter declares a name
- fail: Frontmatter declares a description
- fail: No link to a raw IP address (matched: http://169.254.169.254)
- pass: Size between 200 bytes and 200 KB (15033 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No script tag
Source
snailsploit/claude-red · 6,831 stars · license MIT · pushed 2026-09-19 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_j5yklrnmapuhuo3d GET https://markdownregistry.com/api/v1/resolve?ref=snailsploit/claude-red/offensive-oauth GET https://markdownregistry.com/api/v1/blob/1202b700fac05d63cc78c959c084cbcf9c8cb4f3b00be6cec52c7ebc98f0ec52
Your agent does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
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