dev-coding

A coding workflow that carries out a project plan one task at a time, checking each task before marking it done. TDD means writing a failing test, making it pass, and then improving the code.

In plain words
What is it for?
Use it to execute PLAN.md files, read required project context, apply changes, verify acceptance conditions, update task status, and create small commits.
Why use it?
It keeps implementation aligned with the written plan and makes progress, scope changes, and differences from the plan visible.

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/calneymgp/solodev/dev-coding
Any agent
npx skills add calneymgp/solodev --skill dev-coding
Clone the repo
git clone --depth 1 https://github.com/calneymgp/solodev

Made for: Claude Code, Codex.

Per session 135 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,072 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. Scan, not verified.
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 $0.00135 $0.02072
Opus 5 $0.00068 $0.01036
Sonnet 5 $0.00027 $0.00414
Haiku 4.5 $0.00014 $0.00207

Measured 2d ago against content hash e881f7a1507b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade C, and why

dev-coding scanned grade C with 2 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.

Recursive force deletehighDestructive command

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

- Vai rodar comando destrutivo (force push, drop table, rm -rf)

Makes network callslowCapability

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

4. Cheque cada `acceptance` — grep / curl / output esperado
skills/dev-coding/SKILL.md · 159 lines

How it starts

The opening of the file, as written. The whole thing — 159 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/dev-coding — Executar PLAN.md task por task

Esta skill assume que existe .plans/<feature>/PLAN.md produzido por /dev-plan (ou compatível). Executa uma task por vez, com verificação dura no fim de cada uma.

Pré-condições

  • Existe <workspace>/.plans/<feature>/PLAN.md (ou usuário aponta o path)
  • Você pode escrever e executar comandos no projeto

Se não houver PLAN.md, pare e sugira /dev-plan antes. Se for bug isolado sem plano, sugira /dev-fix.

Ritual de início de sessão

Na primeira execução da sessão (e após cada reset de contexto):

PLAN: <feature> — [████████░░░░] 4/9 tasks ✅
Próxima: task-05 (<tipo>, effort <S/M/L>) — <título>

1 mensagem, depois execute. O usuário sempre sabe onde está sem perguntar.

Processo por task

1. Carregue o contexto mínimo

  1. Read .plans/<feature>/PLAN.md integralmente
  2. Read CLAUDE.md do projeto + sub-CLAUDEs citados em ## Affected Areas
  3. Identifique a próxima task com status: [ ] cuja dependência (depends_on) já está [x]
  4. Read todos os read_first da task escolhida ANTES de qualquer edit

2. Despache pelo tipo

type: auto (execução direta)
  1. Anuncie em 1 frase: "task-XX: <título> — vou tocar ."
  2. Execute as subtasks da action em ordem
  3. Rode o must_pass (typecheck, build, test, lint conforme aplicável)
  4. Cheque cada acceptance — grep / curl / output esperado
  5. Marque [x] em cada acceptance no PLAN.md
  6. Atualize ## Status Log com timestamp + identificador (commit hash se for committar)
  7. Reporte ao usuário em 2-3 linhas: o que mudou, o que verificou, próxima task
type: tdd (red-green-refactor vertical)

Princípio: tracer bullets, NÃO horizontal slicing. UM teste → UMA implementação → REPETE. Nunca escrever todos os testes primeiro.

Por subtask:

RED:   escreva 1 teste para 1 behavior — rode → vê falhar
GREEN: código mínimo para passar — rode → vê passar
       (não antecipe próximos testes; não adicione features especulativas)
[Após todas as subtasks GREEN: REFACTOR — só quando GREEN, nunca quando RED]

Read the full file on GitHub · 159 lines

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. 2d ago First seen · 159 lines · 135 tokens per session scan C e881f7a1507b

Subscribe to this mod's changes

dev-coding is a skill published in the GitHub repository calneymgp/solodev (2 stars, last pushed 2mo ago), licensed MIT. It adds 135 tokens to every session and 2,072 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it C with 2 findings (recursive force delete, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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