threadbase: Instructions file for Codex

AGENTS.md

threadbase AGENTS.md is an instructions file for Codex, OpenCode from ani3198/threadbase. It costs 206 tokens per session, scanned A, original, MIT.

Repository instructions for Threadbase that define which project rules and generated context files an coding agent must read before and after coding.

In plain words
What is it for?
Use them when making changes in Threadbase to inspect its rules, find relevant files, update memory, and regenerate missing or outdated indexes and context.
Why use it?
They help the agent load only relevant project knowledge and keep the repository's memory and context files up to date.

Instructions file for CodexOpenCode

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

This is ani3198/threadbase's own configuration. It tells Codex and OpenCode how to work on threadbase 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 threadbase configures →

Reuse

Borrowing it

Nothing to install: this file belongs to ani3198/threadbase. 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/ani3198/threadbase/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/ani3198/threadbase

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 threadbase AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/ani3198/threadbase/agents-md/github.svg)](https://agentmods.dev/instructions/ani3198/threadbase/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/ani3198/threadbase/agents-md"><img src="https://agentmods.dev/badge/instructions/ani3198/threadbase/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 threadbase AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/ani3198/threadbase/agents-md"><img src="https://agentmods.dev/badge/instructions/ani3198/threadbase/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 206 This file is loaded in full into every session.
When invoked 206 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 $0.00206 $0.00206
Opus 5.5 $0.00082 $0.00082
Sonnet 5.5 $0.00041 $0.00041
Haiku 4.5 $0.00021 $0.00021

Measured 2mo ago against content hash 613fa43bb03d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

threadbase 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 · 19 lines

What it actually says

Threadbase Agent Instructions

Before coding:

  1. Read .ai/rules.md
  2. Read .ai/generated/index.md
  3. If .ai/generated/index.md is missing or empty, generate it from scratch using .ai/prompts/generate_index.md
  4. Read .ai/generated/context.md when the task needs broader project state, active constraints, or recent cross-cutting changes
  5. If .ai/generated/context.md is missing or empty, generate it from scratch using .ai/prompts/generate_context.md
  6. Use .ai/generated/index.md to open only the relevant files in .ai/memory/* or the codebase, instead of loading everything

After coding:

  1. Update relevant memory files in .ai/memory/*
  2. Regenerate .ai/generated/index.md if it is missing, empty, or outdated
  3. Regenerate .ai/generated/context.md if it is missing, empty, or outdated

Never store secrets in Threadbase files.

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 · 19 lines · 206 tokens per session scan A 613fa43bb03d

Subscribe to this mod's changes

threadbase AGENTS.md is an instructions file published in the GitHub repository ani3198/threadbase (4 stars, last pushed 5mo ago), licensed MIT. It adds 206 tokens to every session, about $0.0008 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

threadbase AGENTS.md compared with instructions from other repositories

threadbase AGENTS.md next to 6 instructions from other repositories
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deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode