scream-code: Instructions file for Codex

AGENTS.md

scream-code AGENTS.md is an instructions file for Codex, OpenCode from LIUTod/scream-code. It costs 31,179 tokens per session, scanned A, original, MIT.

A development guide for Scream Code, a monorepo—a single repository containing multiple related packages and applications. It describes package responsibilities, imports, testing, commands, and the terminal interface.

In plain words
What is it for?
It guides work on the agent runtime, language-model client, execution abstractions, Node.js SDK, terminal interface, themes, and related package tests.
Why use it?
It helps an agent understand where code belongs and how changes in one package relate to the rest of the workspace.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions subagents; names the AskUserQuestion tool; mentions AGENTS.md.

This is LIUTod/scream-code's own configuration. It tells Codex and OpenCode how to work on scream-code 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 scream-code configures →

Reuse

Borrowing it

Nothing to install: this file belongs to LIUTod/scream-code. 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/LIUTod/scream-code/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/LIUTod/scream-code

Made for: Codex, OpenCode.

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Per session 31,179 This file is loaded in full into every session.
When invoked 31,179 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 $0.31179 $0.31179
Opus 5.5 $0.12472 $0.12472
Sonnet 5.5 $0.06236 $0.06236
Haiku 4.5 $0.03118 $0.03118

Measured today against content hash d2b3ba25c3c1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

scream-code 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 today.

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 · 1,211 lines

How it starts

The opening of the file, as written. The whole thing — 1,211 lines — stays where its author put it; the contents beside it link to each section on GitHub.

scream-code Development Guide

This guide covers the whole monorepo. Sections marked apps/scream-code are app-specific; the rest apply to all workspace packages.

Table of Contents

  1. Workspace Overview
  2. Code Quality & Style
  3. TUI Sanitization
  4. Testing Guidance
  5. Commands & Workflow
  6. TUI File Layout (apps/scream-code)
  7. Module Responsibilities (apps/scream-code)
  8. ScreamTUI Internal Sections (apps/scream-code)
  9. Where New Features Go (apps/scream-code)
  10. TUI Coding Conventions (apps/scream-code)
  11. How to Set Themes (apps/scream-code)
  12. MCP (apps/scream-code)
  13. Slash Commands (apps/scream-code)
  14. Agent-Core Mechanisms
  15. General Coding Requirements

Workspace Overview

Packages

Package Path Responsibility
agent-core packages/agent-core/ Agent runtime: turn loop, session, tools, MCP client, compaction, memory, goal/wolfpack
ltod packages/ltod/ Multi-provider LLM client with streaming support
jian packages/jian/ Execution environment abstractions (filesystem, process, sandbox)
node-sdk packages/node-sdk/ Node.js SDK (ScreamHarness, Session) consumed by the app
memory packages/memory/ Cross-session memory store and scoring
config packages/config/ Platform configuration, identity, model aliases
migration-legacy packages/migration-legacy/ Legacy data migration — deprecated, do not expand
apps/scream-code apps/scream-code/ CLI and terminal UI application (scream command)

Read the full file on GitHub · 1,211 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. today Changed · -27 lines · -1,365 tokens per session d2b3ba25c3c1
  2. 2d ago Changed · +16 lines · +893 tokens per session dddab8ee9c0c
  3. 4d ago Changed · +5 lines · +128 tokens per session 0709ece21323
  4. 5d ago Changed · +15 tokens per session 98db7002ee47
  5. 6d ago Changed · +12 lines · +482 tokens per session 71169714aedb
  6. 7d ago Changed · +14 lines · +334 tokens per session 85cbb13743dc
  7. 8d ago Changed · +4 lines · +114 tokens per session 31ed3652d91e
  8. 12d ago Changed · +10 lines · +615 tokens per session 38f9d4aab64b
  9. 16d ago Changed · +1 lines · +132 tokens per session 847b53b61958
  10. 18d ago First seen · 1,176 lines · 29,831 tokens per session scan A 9a36bea25b7e

Subscribe to this mod's changes

scream-code AGENTS.md is an instructions file published in the GitHub repository LIUTod/scream-code (140 stars, last pushed today), licensed MIT. It adds 31,179 tokens to every session, about $0.1247 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 2026-08-30.

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