TheYgent: Instructions file for Codex

AGENTS.md

TheYgent AGENTS.md is an instructions file for Codex, OpenCode from al2m4n/TheYgent. It costs 3,612 tokens per session, scanned A, original, no licence file.

A project instruction file for al2m4n/TheYgent that describes the repository, expected completion standards, architecture rules, and coding conventions.

In plain words
What is it for?
Use it as a reference when working on that repository, especially for understanding its structure and deciding when work is complete.
Why use it?
It gives coding agents the project-specific rules they need before changing the code.

Instructions file for CodexOpenCode

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

This is al2m4n/TheYgent's own configuration. It tells Codex and OpenCode how to work on TheYgent 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 TheYgent configures →

Reuse

Borrowing it

Nothing to install: this file belongs to al2m4n/TheYgent. 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/al2m4n/TheYgent/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/al2m4n/TheYgent

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.

agentmods badge for TheYgent AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/al2m4n/theygent/agents-md/github.svg)](https://agentmods.dev/instructions/al2m4n/theygent/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/al2m4n/theygent/agents-md"><img src="https://agentmods.dev/badge/instructions/al2m4n/theygent/agents-md/github.svg" alt="Measured on agentmods" height="20"></a>

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.

agentmods 80×15 button for TheYgent AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/al2m4n/theygent/agents-md"><img src="https://agentmods.dev/badge/instructions/al2m4n/theygent/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 3,612 This file is loaded in full into every session.
When invoked 3,612 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 unknown 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 $0.03612 $0.03612
Opus 5.5 $0.01445 $0.01445
Sonnet 5.5 $0.00722 $0.00722
Haiku 4.5 $0.00361 $0.00361

Measured 17d ago against content hash f5308c51c3fc, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

TheYgent 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 17d 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 · 207 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 17d ago Changed · +95 lines · +1,890 tokens per session f5308c51c3fc
  2. 19d ago Changed · +1 lines · +15 tokens per session 57e19dc7cecf
  3. 24d ago Changed · +4 lines · +76 tokens per session d35eb3b9028e
  4. 2mo ago First seen · 107 lines · 1,631 tokens per session scan A 4bed4fe0bee1

Subscribe to this mod's changes

TheYgent AGENTS.md is an instructions file published in the GitHub repository al2m4n/TheYgent (5 stars, last pushed 6d ago), with no licence file. It adds 3,612 tokens to every session, about $0.0144 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.

Related

TheYgent AGENTS.md compared with instructions from other repositories

TheYgent AGENTS.md next to 6 instructions from other repositories
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TheYgent AGENTS.mdal2m4n/TheYgentInstructions file56d agononeA3,612Codex, OpenCode
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langchain AGENTS.mdlangchain-ai/langchainInstructions file149kyesterdayMITA4,680Codex, OpenCode
vscode oss-third-party-notices.instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA5,516GitHub Copilot
vscode copilot-instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA3,093GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode