maoyadongsh/siq-agent-security · apps/agentshield/internal/admission/testdata/skills/malicious/quoted-injection/SKILL.md

quoted-injection skillF

quoted-injection is agent-read markdown (skill) from maoyadongsh/siq-agent-security: H5c fixture — quoted real instruction must not demote..

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.

How to install

Latest version
mdr add maoyadongsh/siq-agent-security/quoted-injection@git:20260906.977c5eb
Exact content
mdr add maoyadongsh/siq-agent-security/quoted-injection@sha256:1927483d50ea68a6

Pin 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_occjmbmpsvie3jv2.svg)](https://markdownregistry.com/a/art_occjmbmpsvie3jv2)

0 badge views in 30 days

Versions

versioncommittedcommitsizeaudit
git:20260906.977c5eb latest2026-09-06 977c5eb 189 BF view

Audit of the latest version

F  14 of 17 checks passed. Deterministic, no model, same answer every run.
  • fail: Size between 200 bytes and 200 KB (189 bytes)
  • FAIL, critical: No instruction to send local credentials anywhere (matched: upload ~/.env)
  • fail: No prompt-injection phrasing (matched: ignore previous instructions)
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • 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 text hidden with inline styles
  • 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

GitHub

maoyadongsh/siq-agent-security · 23 stars · license Apache-2.0 · pushed 2026-09-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_occjmbmpsvie3jv2
GET https://markdownregistry.com/api/v1/resolve?ref=maoyadongsh/siq-agent-security/quoted-injection
GET https://markdownregistry.com/api/v1/blob/1927483d50ea68a6e19d500bf7b38752849c48028e8db87f007b3befa5104df2

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.