auditing-mobile-deeplink-trust SKILL.md skillA
auditing-mobile-deeplink-trust from unboundcompute/security-agent-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add unboundcompute/security-agent-skills/auditing-mobile-deeplink-trust@git:20260823.e797ed0Pins git:20260823.e797ed0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- unboundcompute/security-agent-skills
- Path
skills/auditing-mobile-deeplink-trust/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260823.e797ed0, committed Aug 23, 2026
- Size
- 9,001 bytes
- Repository stars
- 26
- License
- MIT
Audit how a mobile app handles a deep link, app link, or custom-scheme URL, so an attacker-supplied URL cannot drive a sensitive action or reach a trusted WebView context. Covers a custom scheme any app can register and hijack, an app link whose domain association is unverified so the link is not exclusively the app's, a deep-link parameter that flows unvalidated into a sensitive action, an attacker-controlled URL loaded into a WebView, and a JavaScript bridge exposed to a WebView that can…
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Auditing mobile deep-link trust: when an attacker's URL drives a trusted action A deep link is attacker-reachable input: a custom scheme any app can claim, or a link another app or a web page can fire, carrying parameters the app routes into an action. The bug is trusting that URL, letting a parameter reach a sensitive operation, or handing an attacker-controlled URL to a WebView that exposes a JavaScript bridge back into the app. This audit reads the deep-link routing, the URL handling, and the WebView configuration and asks, per link, whether an attacker-supplied URL can drive something it should not. It pairs with the component-exposure skill: that one owns whether the receiving component is reachable across the app boundary, this one owns whether the URL it carries is trusted. Keep the seam clean so a single flaw is reported once. ## When to use - The app registers a custom scheme, an app link, or a universal link, and routes the URL to an action. - A deep-link parameter flows into navigation, a WebView load, an authentication step, or a state change. - You want to know whether an attacker-supplied URL can drive a sensitive action or reach a trusted WebView. …
Read the whole file at its exact version.
How to install
mdr add unboundcompute/security-agent-skills/auditing-mobile-deeplink-trust@sha256:a64c8b8abda581f0The line at the top of this page pins the label git:20260823.e797ed0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_6uozgdveom3y4emr)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Aug 23, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (9001 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 link to a raw IP address
- pass: No script tag
Source
unboundcompute/security-agent-skills · 26 stars · license MIT · pushed 2026-09-08 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_6uozgdveom3y4emr GET https://markdownregistry.com/api/v1/resolve?ref=unboundcompute/security-agent-skills/auditing-mobile-deeplink-trust GET https://markdownregistry.com/api/v1/blob/a64c8b8abda581f0619c15782ef590b8daf7d6d1cde582cc3a2ba52fc4b3ac1b
Your AI assistant 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.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.