software-devtools

software-devtools is a skill for Codex from vasilyu1983/AI-Agents-public. It costs 38 tokens per session (6,613 once invoked), scanned C, original, MIT.

A guide to designing tools that help other developers, including command-line programs, SDKs, IDE extensions, code generators, and package workflows.

In plain words
What is it for?
Use it when building a CLI, SDK, editor extension, code generator, developer documentation, or package distribution process.
Why use it?
It helps make developer tools easier to use, distribute, and maintain by covering interfaces, typed clients, generated code, and publishing.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: mentions Claude Code; mentions Codex.

Good fit Use it when building a CLI, SDK, editor extension, code generator, developer documentation, or package distribution process.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/vasilyu1983/ai-agents-public/software-devtools
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.

Any agent
npx skills add vasilyu1983/AI-Agents-public --skill software-devtools
Clone the repo
git clone --depth 1 https://github.com/vasilyu1983/AI-Agents-public

Made for: 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 software-devtools

README.md
[![agentmods](https://agentmods.dev/badge/skills/vasilyu1983/ai-agents-public/software-devtools/github.svg)](https://agentmods.dev/skills/vasilyu1983/ai-agents-public/software-devtools)
Your own site
<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.

agentmods 80×15 button for software-devtools

Your own site · 80×15
<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>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,613 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original 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 5.1 $0.00038 $0.06613
Opus 5 $0.00019 $0.03306
Sonnet 5 $0.00008 $0.01323
Haiku 4.5 $0.00004 $0.00661

Measured 9d ago against content hash 6fea6c73249e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

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`)
frameworks/shared-skills/skills/software-devtools/SKILL.md · 351 lines

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

Read the full file on GitHub · 351 lines

Files

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.

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. 9d ago First seen · 351 lines · 38 tokens per session scan C 6fea6c73249e

Subscribe to this mod's changes

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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