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.
npx skills add wahidyankf/ose-public --skill framework-aspnet-coregit clone --depth 1 https://github.com/wahidyankf/ose-publicWrote 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.
[](https://agentmods.dev/skills/wahidyankf/ose-public/framework-aspnet-core)<a href="https://agentmods.dev/skills/wahidyankf/ose-public/framework-aspnet-core"><img src="https://agentmods.dev/badge/skills/wahidyankf/ose-public/framework-aspnet-core/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/wahidyankf/ose-public/framework-aspnet-core"><img src="https://agentmods.dev/badge/skills/wahidyankf/ose-public/framework-aspnet-core.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00044 | $0.00904 |
| Opus 5.5 | $0.00018 | $0.00362 |
| Sonnet 5.5 | $0.00009 | $0.00181 |
| Haiku 4.5 | $0.00004 | $0.00090 |
Grade A, and why
framework-aspnet-core scanned grade A with 0 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 2d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 76 lines — stays where its author put it; the contents beside it link to each section on GitHub.
ASP.NET Core Framework
Every ASP.NET Core rule is owned by ASP.NET Core Standards, which inherits the project's language standard. F# Programming carries the language procedure, and a Giraffe application adds Giraffe Framework. This skill adds only the judgement of working at the framework boundary. Where a sentence here seems to state a rule, the standard decides.
Start From What the Project Records
Read the composition root: the service registrations, the options bindings, and the middleware order. Read the validation library and in-memory database choice the solution records, if any. Run the format check, the build with warnings as errors, and the unit tests on the untouched tree. A gate already failing is handled under Preexisting Error Resolution.
Keep the Endpoint a Translator
Write the application function first, test-first, with no framework type in its signature. The endpoint then binds, calls it once, and maps the result to a typed response. When an endpoint starts reading the request context in several places, or branches on a business rule, move that work into the application function and pass it the values instead.
Choose a Service Lifetime Deliberately
| The service | Lifetime |
|---|---|
| holds no state, or state safe to share across requests | singleton |
| holds per-request state, such as a database unit of work | scoped |
| is cheap, stateless, and resolved in several places | transient |
Then check the dependencies: a service may depend only on services living at least as long. A singleton that needs a scoped service takes a scope factory and creates a scope per unit of work. Enable the host's scope validation in development, so a captured scoped service fails at startup rather than leaking state between requests.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 2d ago First seen · 76 lines · 44 tokens per session scan A 4652161983cf
framework-aspnet-core is a skill published in the GitHub repository wahidyankf/ose-public (12 stars, last pushed today), licensed MIT. It adds 44 tokens to every session and 904 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-14.
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