agentmods.dev

dev-like AGENTS.md

Instructions for dev-like, a project that profiles engineering culture from public information and packages the results as agent skills.

In plain words
What is it for?
Use them when changing its skills, registry entries, npm package, CLI, or documentation about engineering practices.
Why use it?
They protect registry links, require sources for claims, and keep the project free of unnecessary dependencies.

Instructions file for CodexOpenCode

2 yesterday A scan 222 tokens original MIT
View the source file marcusrbrown/dev-like
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 instructions/marcusrbrown/dev-like/agents-md
Clone the repo
git clone --depth 1 https://github.com/marcusrbrown/dev-like

Made for: Codex, OpenCode.

Per session 222 This file is loaded in full into every session.
When invoked 222 The same file — it is already loaded in full.
Security scan A 0 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 $0.00222 $0.00222
Opus 5 $0.00111 $0.00111
Sonnet 5 $0.00044 $0.00044
Haiku 4.5 $0.00022 $0.00022

Measured yesterday against content hash ecc9a87e5bed, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

dev-like AGENTS.md 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 yesterday.

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.

AGENTS.md · 16 lines

What it actually says

dev-like — agent context

  • This repo is simultaneously: an Agent Skill (skills/dev-like/), a Claude Code plugin + marketplace (.claude-plugin/), an npm package (dev-like, CLI in bin/), and a data registry (registry/).
  • Zero runtime dependencies is a feature. Adding a dep requires explicit justification.
  • Registry invariants are enforced by scripts/validate.mjs — run it after touching skills/ or registry/. Persons require consent tier stated or better.
  • Provenance is non-negotiable: no claim without a source URL, in profiles and in generated skills.
  • Design for deletion: nothing outside registry/<slug>/ and registry/index.json may reference a registry slug.
  • docs/solutions/ — documented solutions to past problems (release pipeline, git workflows, best practices), organized by category with YAML frontmatter (module, tags, problem_type). Relevant when working in a documented area.
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. yesterday First seen · 16 lines · 222 tokens per session scan A ecc9a87e5bed

Subscribe to this mod's changes

dev-like AGENTS.md is an instructions file published in the GitHub repository marcusrbrown/dev-like (2 stars, last pushed yesterday), licensed MIT. It adds 222 tokens to every session, about $0.0011 per session on Opus 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 2026-08-31.

Writing and docsagent-skillsai-agentsclaude-codecodexcursorengineering-culture
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