dotnet/skills · plugins/dotnet-diag/skills/clr-activation-debugging/SKILL.md

clr-activation-debugging skillA

clr-activation-debugging is agent-read markdown (skill) from dotnet/skills: Diagnoses .NET Framework CLR activation issues using CLR activation logs (CLRLoad logs) produced by mscoree.dll. Use when: the shim picks the wrong runtime, fails to load any runtime, shows unexpected .NET 3.5 Feature-on-Demand (FOD) dialogs, unexpectedly does NOT show FOD dialogs, loads both v2 and v4 into the same process causing failures, or any time someone is wondering "what is happening with .NET Framework activation?".

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 dotnet/skills/clr-activation-debugging@git:20260831.5854dfd
Exact content
mdr add dotnet/skills/clr-activation-debugging@sha256:de030774c23c61b3

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_4445fq4p63fzwowt.svg)](https://markdownregistry.com/a/art_4445fq4p63fzwowt)

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Versions

versioncommittedcommitsizeaudit
git:20260831.5854dfd latest2026-08-31 5854dfd 20,858 BA view · diff
git:20260825.c3cd3f72026-08-25 c3cd3f7 20,696 BA view · diff
git:20260421.05aeb652026-04-21 05aeb65 20,295 BA view · diff
git:20260307.042a9d22026-03-07 042a9d2 20,282 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 (20858 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

dotnet/skills · 5,437 stars · license MIT · pushed 2026-09-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_4445fq4p63fzwowt
GET https://markdownregistry.com/api/v1/resolve?ref=dotnet/skills/clr-activation-debugging
GET https://markdownregistry.com/api/v1/blob/de030774c23c61b3297e82af68e1b15e37e2ad8df4028a54975b2a5af3183762

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