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codex-specialized-subagents AGENTS.md

codex-specialized-subagents AGENTS.md is an instructions file for Codex, OpenCode from leonardsellem/codex-specialized-subagents. It costs 916 tokens per session, scanned A, original, MIT.

Repository-specific instructions for codex-specialized-subagents, an MCP server that lets Codex delegate work to separate coding-agent processes. MCP is a standard way for tools and models to communicate.

In plain words
What is it for?
Use them when developing, testing, building, or reviewing this Node.js and TypeScript MCP server.
Why use it?
They provide the project context, real commands, and security rules needed to make safe, verifiable changes.

Instructions file for CodexOpenCode

not rated 68 8mo ago A scan 916 tokens original MIT
View the source file leonardsellem/codex-specialized-subagents
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/leonardsellem/codex-specialized-subagents/agents-md
Clone the repo
git clone --depth 1 https://github.com/leonardsellem/codex-specialized-subagents

Made for: Codex, OpenCode.

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.

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README.md
[![agentmods](https://agentmods.dev/badge/instructions/leonardsellem/codex-specialized-subagents/agents-md.svg)](https://agentmods.dev/instructions/leonardsellem/codex-specialized-subagents/agents-md)
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<a href="https://agentmods.dev/instructions/leonardsellem/codex-specialized-subagents/agents-md"><img src="https://agentmods.dev/badge/instructions/leonardsellem/codex-specialized-subagents/agents-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 916 This file is loaded in full into every session.
When invoked 916 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 $0.00916 $0.00916
Opus 5 $0.00458 $0.00458
Sonnet 5 $0.00183 $0.00183
Haiku 4.5 $0.00092 $0.00092

Measured 4d ago against content hash 136ad287a894, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

codex-specialized-subagents 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 4d 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.

AGENTS.md · 81 lines

How it starts

The opening of the file, as written. The whole thing — 81 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

This file is for AI coding agents.

Keep it short. Use hierarchical, nearest-wins AGENTS.md files:

  • Root = global defaults + JIT map
  • Subfolders = concrete commands + patterns for that scope

Project snapshot

  • Name: codex-specialized-subagents
  • What is this? MCP server that lets Codex delegate to isolated codex exec sub-agents, selecting repo+global skills automatically.
  • Repo type: single project
  • Primary stack: Node.js + TypeScript + @modelcontextprotocol/sdk + zod

Root commands (verify these are real)

  • Install: npm install
  • Dev: npm run dev
  • Build: npm run build
  • Test: npm test
  • Integration test (requires codex CLI + auth): RUN_CODEX_INTEGRATION_TESTS=1 npm test
  • Lint/typecheck: npm run lint

Universal conventions

  • Default to small, finishable steps.
  • State assumptions + open questions explicitly.
  • Prefer pointers (paths + search commands) over long prose in AGENTS.
  • Verify before claiming “done”.

Security & secrets

  • Never commit secrets/tokens/keys.
  • Put secrets in .env/secret manager; .env is gitignored.
  • Avoid pasting secrets from ${CODEX_HOME:-~/.codex} (it may contain auth/config).

JIT directory map (nearest-wins)

  • .agent/ → .agent/AGENTS.md (ExecPlans + artifacts workflow)
  • .codex/skills/ → .codex/skills/AGENTS.md (repo-local skill authoring)
  • docs/ → (human-facing docs; user + contributor guides)
  • src/ → src/AGENTS.md (MCP server + tool implementations)
  • scripts/ → scripts/AGENTS.md (helper scripts)
  • .githooks/ → .githooks/AGENTS.md (optional git hooks)

As the repo grows:

  • apps/<name>/ → apps/<name>/AGENTS.md
  • packages/<name>/ → packages/<name>/AGENTS.md
  • services/<name>/ → services/<name>/AGENTS.md
  • Add docs/AGENTS.md only if docs need scope-specific agent rules.

Planning (ExecPlans)

  • Rules live in: .agent/PLANS.md
  • Create plans in: .agent/execplans/
  • Archive completed plans in: .agent/execplans/archive/
  • Debug journal: .agent/DEBUG.md (local-only by default)

Read the full file on GitHub · 81 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. 4d ago First seen · 81 lines · 916 tokens per session scan A 136ad287a894

Subscribe to this mod's changes

codex-specialized-subagents AGENTS.md is an instructions file published in the GitHub repository leonardsellem/codex-specialized-subagents (68 stars, last pushed 8mo ago), licensed MIT. It adds 916 tokens to every session, about $0.0046 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 2026-08-30.

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