dreadnode/capabilities · capabilities/web-security/skills/grpc-web-pentest/SKILL.md

grpc-web-pentest skillA

grpc-web-pentest is agent-read markdown (skill) from dreadnode/capabilities: Pentest gRPC-Web services via CORS abuse, JSON transcoder bypass, and payload manipulation. Use when target serves application/grpc-web content type, has Envoy/APISIX proxy, or JS bundles contain protobuf service definitions..

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 dreadnode/capabilities/grpc-web-pentest@git:20260518.7b5f854
Exact content
mdr add dreadnode/capabilities/grpc-web-pentest@sha256:ce50cb61d0c557aa

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_etssm7qpyy3ezjbb.svg)](https://markdownregistry.com/a/art_etssm7qpyy3ezjbb)

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Versions

versioncommittedcommitsizeaudit
git:20260518.7b5f854 latest2026-05-18 7b5f854 3,743 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (3743 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

GitHub

dreadnode/capabilities · 15 stars · license none · pushed 2026-09-18 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_etssm7qpyy3ezjbb
GET https://markdownregistry.com/api/v1/resolve?ref=dreadnode/capabilities/grpc-web-pentest
GET https://markdownregistry.com/api/v1/blob/ce50cb61d0c557aa7e663bca8b32b9d222ad6138665e2bb38b790b49aee19ced

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