agent-thread: Instructions file for Codex

AGENTS.md

agent-thread AGENTS.md is an instructions file for Codex, OpenCode from amalshaji/agent-thread. It costs 694 tokens per session, scanned A, original, MIT.

Repository instructions for a Next.js web app built and deployed with Bun and Cloudflare Workers.

In plain words
What is it for?
Installing dependencies, running tests and builds, developing the app, and following its deployment workflow.
Why use it?
They prevent the project from drifting to incompatible tools such as npm, Vite, Jest, or Express.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions Codex.

This is amalshaji/agent-thread's own configuration. It tells Codex and OpenCode how to work on agent-thread itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything agent-thread configures →

Reuse

Borrowing it

Nothing to install: this file belongs to amalshaji/agent-thread. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/amalshaji/agent-thread/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/amalshaji/agent-thread

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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README.md
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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.

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<a href="https://agentmods.dev/instructions/amalshaji/agent-thread/agents-md"><img src="https://agentmods.dev/badge/instructions/amalshaji/agent-thread/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 694 This file is loaded in full into every session.
When invoked 694 The same file — it is already loaded in full.
Security scan A 0 findings. 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 $0.00694 $0.00694
Opus 5.5 $0.00278 $0.00278
Sonnet 5.5 $0.00139 $0.00139
Haiku 4.5 $0.00069 $0.00069

Measured 2mo ago against content hash 226ad11ed810, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

agent-thread 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 2mo 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 · 56 lines

How it starts

The opening of the file, as written. The whole thing — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Agent Instructions

This repository is a Bun-managed Next.js/OpenNext app. Use Bun for project commands and dependency management, and keep changes aligned with the existing Next.js App Router and Cloudflare Worker deployment path.

Tooling

  • Use bun install instead of npm install, yarn install, or pnpm install.
  • Use bun run <script> instead of npm run <script>, yarn run <script>, or pnpm run <script>.
  • Use bun test for tests.
  • Use bunx <package> <command> instead of npx <package> <command>.
  • Do not introduce Vite, Express, Jest, Vitest, npm, yarn, or pnpm.
  • When a dependency exposes a Node-oriented CLI, invoke it through Bun, matching the existing scripts. For example: bun --bun ./node_modules/next/dist/bin/next build.
  • Codex or editor host tooling may use its own configured Node runtime when that tool requires it, such as js_repl or browser automation. That exception does not justify adding Node setup, npm scripts, or a project-level Node workflow.

Project Commands

  • Install dependencies: bun install
  • Run the Next.js dev server: bun run dev
  • Build the app and CLI: bun run build
  • Build only the CLI: bun run build:cli
  • Preview the Cloudflare Worker: bun run preview
  • Deploy through OpenNext/Cloudflare: bun run deploy
  • Type-check: bun run check
  • Run tests: bun test
  • Run the local CLI entrypoint: bun run cli

Release Workflow

  • When updating the CLI version, title the pull request Release cli {version}, replacing {version} with the exact version being released.

Architecture

  • The frontend and API routes live in Next.js App Router.
  • The Cloudflare Worker is produced by @opennextjs/cloudflare; wrangler.toml points at .open-next/worker.js.
  • Keep next.config.ts compatible with the OpenNext build path, including output: "standalone", unless the deployment strategy is intentionally changed.
  • Keep server-side rendering and public transcript rendering in the Next app rather than reintroducing a separate Bun.serve frontend.
  • Keep Cloudflare bindings and runtime-specific code isolated behind the existing helper modules.

Read the full file on GitHub · 56 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. 2mo ago First seen · 56 lines · 694 tokens per session scan A 226ad11ed810

Subscribe to this mod's changes

agent-thread AGENTS.md is an instructions file published in the GitHub repository amalshaji/agent-thread (1 stars, last pushed 5mo ago), licensed MIT. It adds 694 tokens to every session, about $0.0028 per session on Opus 5.5. 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.

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