dotnet-devcert-trust

dotnet-devcert-trust is a skill for Claude Code, Codex from F-U-S-E-E/FuseDevelopmentGroup. It costs 50 tokens per session (4,084 once invoked), scanned D, original, AGPL-3.0.

Troubleshooting guidance for trusted HTTPS development certificates in .NET on Linux, including Ubuntu, Fedora, Arch, and WSL2, the Windows-compatible Linux environment.

In plain words
What is it for?
Use it to diagnose, generate, and trust .NET development certificates on supported Linux distributions and WSL2.
Why use it?
It explains why a local development site is rejected as unsafe and covers the certificate from creation through adding it to the system's trusted certificate list.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/f-u-s-e-e/fusedevelopmentgroup/dotnet-devcert-trust
Any agent
npx skills add F-U-S-E-E/FuseDevelopmentGroup --skill dotnet-devcert-trust
Clone the repo
git clone --depth 1 https://github.com/F-U-S-E-E/FuseDevelopmentGroup

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for dotnet-devcert-trust

README.md
[![agentmods](https://agentmods.dev/badge/skills/f-u-s-e-e/fusedevelopmentgroup/dotnet-devcert-trust.svg)](https://agentmods.dev/skills/f-u-s-e-e/fusedevelopmentgroup/dotnet-devcert-trust)
Your own site
<a href="https://agentmods.dev/skills/f-u-s-e-e/fusedevelopmentgroup/dotnet-devcert-trust"><img src="https://agentmods.dev/badge/skills/f-u-s-e-e/fusedevelopmentgroup/dotnet-devcert-trust.svg" alt="Measured on agentmods" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,084 The whole file, excluding the scripts and references it only reads on demand.
Security scan D 3 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00050 $0.04084
Opus 5 $0.00025 $0.02042
Sonnet 5 $0.00010 $0.00817
Haiku 4.5 $0.00005 $0.00408

Measured 4d ago against content hash 1782921a25da, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade D, and why

dotnet-devcert-trust scanned grade D with 3 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

sudo rm -f /usr/local/share/ca-certificates/aspnetcore-dev.crt

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

sudo rm -rf /usr/local/share/ca-certificates/aspnet/

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

This means .NET applications, OpenSSL, curl, and browsers all reject the dev certificate — even though `dotnet dev-certs https --check` reports it exists.
.claude/skills/dotnet-devcert-trust/SKILL.md · 415 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 415 lines · 50 tokens per session scan D 1782921a25da

Subscribe to this mod's changes

dotnet-devcert-trust is a skill published in the GitHub repository F-U-S-E-E/FuseDevelopmentGroup (21 stars, last pushed 10d ago), licensed AGPL-3.0. It adds 50 tokens to every session and 4,084 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it D with 3 findings (asks for root, recursive force delete, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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