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THEMIS: Instructions file for Codex

AGENTS.md

THEMIS AGENTS.md is an instructions file for Codex, OpenCode from arsenelupin14/THEMIS. It costs 458 tokens per session, scanned A, original, MIT.

Repository instructions for Themis, an installable AI-agent skill pack. They define which files belong to the product and which internal development files should stay outside it.

In plain words
What is it for?
Use them when developing or maintaining Themis, deciding where product files belong, and checking research documents before publication.
Why use it?
They prevent contributors from expanding Themis into an unrelated application and help keep internal research labels out of public reports. The input does not describe a user-facing add-on feature set.

Instructions file for CodexOpenCode

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

This is arsenelupin14/THEMIS's own configuration. It tells Codex and OpenCode how to work on THEMIS 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 THEMIS configures →

not rated 4repo 2mo ago A scan 458 tokens original MIT
View source ↗ arsenelupin14/THEMIS
Reuse

Borrowing it

Nothing to install: this file belongs to arsenelupin14/THEMIS. 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/arsenelupin14/THEMIS/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/arsenelupin14/THEMIS

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
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Your own site
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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.

agentmods 80×15 button for THEMIS AGENTS.md

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<a href="https://agentmods.dev/instructions/arsenelupin14/themis/agents-md"><img src="https://agentmods.dev/badge/instructions/arsenelupin14/themis/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 458 This file is loaded in full into every session.
When invoked 458 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 $0.00458 $0.00458
Opus 5 $0.00229 $0.00229
Sonnet 5 $0.00092 $0.00092
Haiku 4.5 $0.00046 $0.00046

Measured 8d ago against content hash be48e89f5e9d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

THEMIS 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 8d 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 · 87 lines

What it actually says

AGENTS.md

This repository builds Themis.

Themis is an installable AI agent skill pack. Do not turn it into a standalone CLI, web app, or multi-agent framework.

Product boundary

The product lives in:

skills/themis/SKILL.md

Supporting files:

skills/themis/references/ skills/themis/assets/ skills/themis/scripts/

The .agents/ directory is development-only and exists to help maintainers build Themis in parallel.

Product boundary clarification

The .agents/ directory is development-only.

Do not treat .agents/agents or .agents/commands as part of the installable Themis skill.

The only installable skill package is:

skills/themis/

v0.2 research hardening rules

Themis is now research-specialist by default.

Do not allow public drafts or final reports to contain internal workroom labels such as:

  • FACT-...
  • CONFLICT-...
  • CONTRACT-...
  • DECISION-...
  • TASK-...
  • RISK-...
  • QUESTION-...
  • NEXT-...
  • THEMIS_STATE_V1
  • ROLE:
  • POSITION:
  • HANDOFF:
  • CLAIM_ID
  • SOURCE_ID
  • SOURCE_STATUS
  • [EVIDENCE]
  • [ASSUMPTION]
  • [UNKNOWN]
  • [NEEDS-CITATION]

These labels are allowed only in internal workroom files, agent memory, claim ledgers, and citation audit files.

Every research workroom must include:

  • Master Research
  • Evidence Retrieval Agent
  • Citation Auditor
  • Peer Reviewer

Every source-required claim must pass citation audit before entering public output.

Rules

  • Do not copy code, prompts, or assets from MiroFish.
  • Do not claim prediction capability.
  • Do not expose or invent private chain of thought.
  • Do not add network dependencies.
  • Do not add paid API requirements.
  • Do not add destructive scripts.
  • Do not allow empty agreement in Themis examples.

Required checks

Before finalizing changes, run:

pytest
python skills/themis/scripts/validate_themis_skill.py
python skills/themis/scripts/validate_research_mode.py
python skills/themis/scripts/validate_retrieval_contract.py
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. 8d ago First seen · 87 lines · 458 tokens per session scan A be48e89f5e9d

Subscribe to this mod's changes

THEMIS AGENTS.md is an instructions file published in the GitHub repository arsenelupin14/THEMIS (4 stars, last pushed 2mo ago), licensed MIT. It adds 458 tokens to every session, about $0.0023 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 2026-08-31.

Claude Codeagent-skillsai-agentsantigravitycodexgemini-cli
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