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 vasilyu1983/AI-Agents-public --skill software-devtoolsgit clone --depth 1 https://github.com/vasilyu1983/AI-Agents-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/vasilyu1983/ai-agents-public/software-devtools)<a href="https://agentmods.dev/skills/vasilyu1983/ai-agents-public/software-devtools"><img src="https://agentmods.dev/badge/skills/vasilyu1983/ai-agents-public/software-devtools/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/vasilyu1983/ai-agents-public/software-devtools"><img src="https://agentmods.dev/badge/skills/vasilyu1983/ai-agents-public/software-devtools.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 | $0.00038 | $0.06613 |
| Opus 5 | $0.00019 | $0.03306 |
| Sonnet 5 | $0.00008 | $0.01323 |
| Haiku 4.5 | $0.00004 | $0.00661 |
Grade C, and why
software-devtools scanned grade C with 1 finding 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 9d 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.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
- [ ] Tests pass from a clean install (`rm -rf node_modules && npm ci && npm test`) How it starts
The opening of the file, as written. The whole thing — 351 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Developer Experience & SDK Engineering
Build tools, SDKs, CLIs, IDE extensions, and code generators that other developers trust and adopt.
Quick Reference
| Concern | Defaults |
|---|---|
| CLI framework (Node.js) | Commander.js, oclif, Ink (React for CLI) |
| CLI framework (Go) | Cobra + Viper |
| CLI framework (Rust) | clap + dialoguer |
| CLI framework (Python) | Click / Typer |
| SDK design | Typed clients, builder pattern, progressive disclosure |
| Code generation | OpenAPI Generator (self-hosted, free), Fern/Speakeasy (managed, idiomatic SDKs), GraphQL Codegen, Protobuf/Connect, custom AST transforms |
| IDE extensions | VS Code Extension API, JetBrains Plugin SDK, LSP (Language Server Protocol) |
| Package publishing | npm, PyPI, crates.io, NuGet, Maven Central |
| Developer docs | Mintlify, Docusaurus, Starlight, ReadMe, Fern |
| DX metrics | Time-to-first-API-call, SDK adoption, error rate, support tickets |
When to Use This Skill
- Building a CLI tool for developers (argument parsing, subcommands, interactive prompts)
- Designing and implementing an SDK or client library for an API
- Creating code generators from OpenAPI, GraphQL, or Protobuf schemas
- Building VS Code extensions, JetBrains plugins, or Language Server Protocol implementations
- Publishing packages to registries (npm, PyPI, crates.io, NuGet)
- Measuring and improving developer experience metrics
- Building codemods or AST-based code transformation tools
When NOT to Use This Skill
- Building user-facing web or mobile apps → software-frontend, software-mobile
- API design principles (not SDK implementation) → dev-api-design
- Backend service implementation → software-backend
- CI/CD pipeline and platform engineering → ops-devops-platform
- Agent and skill development → agents-skills, agents-mcp
- Dependency auditing and upgrade strategy → dev-dependency-management
What ships with it
7 files 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.
- 9d ago First seen · 351 lines · 38 tokens per session scan C 6fea6c73249e
software-devtools is a skill published in the GitHub repository vasilyu1983/AI-Agents-public (87 stars, last pushed 10d ago), licensed MIT. It adds 38 tokens to every session and 6,613 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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