legalise: Instructions file for Codex

AGENTS.md

legalise AGENTS.md is an instructions file for Codex, OpenCode from b1rdmania/legalise. It costs 6,083 tokens per session, scanned A, original, MIT.

Repository instructions for Legalise, an open-source local tool that adds human approval and a tamper-evident record to AI-assisted legal work for solicitors in England and Wales. It is an evaluation release, not a regulated legal service.

In plain words
What is it for?
Use them when an AI agent needs context about Legalise, its design, trust rules, and limits. They can also be pasted into an agent chat or added to another repository.
Why use it?
They give coding agents a self-contained description of the project and clearly separate working capabilities from planned or inactive ones. This helps prevent unsupported claims while making changes.

Instructions file for CodexOpenCode

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

This is b1rdmania/legalise's own configuration. It tells Codex and OpenCode how to work on legalise 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 legalise configures →

Reuse

Borrowing it

Nothing to install: this file belongs to b1rdmania/legalise. 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/b1rdmania/legalise/master/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/b1rdmania/legalise

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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Per session 6,083 This file is loaded in full into every session.
When invoked 6,083 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 $0.06083 $0.06083
Opus 5 $0.03041 $0.03041
Sonnet 5 $0.01217 $0.01217
Haiku 4.5 $0.00608 $0.00608

Measured 9d ago against content hash 1609b758e681, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

legalise 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 9d 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 · 460 lines

How it starts

The opening of the file, as written. The whole thing — 460 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Legalise — Agent Context (AGENTS.md)

This is the agent context file for Legalise. Coding agents pick it up automatically when working in the repo; you can also drop it into any AI agent or paste it into a chat to talk about Legalise — what it is, how it's built, and what it does and does not claim. It is a self-contained snapshot synthesised from the project's own docs (README.md, docs/ARCHITECTURE.md, docs/TRUST.md, docs/THREAT_MODEL.md). The house rule throughout, the same one the codebase holds itself to: a capability is only described as live if the code implements it. Anything deferred, dormant, or unmounted is named as such.

Repo: https://github.com/b1rdmania/legalise · Licence: Apache 2.0 · Status: open-source evaluation release, not for live client matters.


1. The one-paragraph version

Legalise is an open-source governance layer for legal AI: human sign-off plus a tamper-evident audit trail for AI-assisted legal work, built for England & Wales solicitor practice. It runs locally, you bring your own model key, and it is an evaluation release — not a regulated legal service. The whole system exists to make one loop legible:

draft → cite → sign-off → audit

AI prepares an output inside a matter, cites the documents it used, a named solicitor reviews and signs it (the signature pins the exact output by hash), and every step writes to an audit log the application cannot edit or delete. AI is preparation, not the deliverable. The audit trail makes the work inspectable; the signature makes a human accountable. The thesis is deliberately narrow: the machine signs its own record; the human signs the work — and the two are kept separate everywhere.

It's an early-stage, mostly solo project shared in the open — a working exploration of how this could be done, not a finished or proven product. Treat the claims below as "this is what the code does today", not "this is solved".

2. What it's built to answer (the four questions)

Read the full file on GitHub · 460 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. 9d ago First seen · 460 lines · 6,083 tokens per session scan A 1609b758e681

Subscribe to this mod's changes

legalise AGENTS.md is an instructions file published in the GitHub repository b1rdmania/legalise (24 stars, last pushed 6d ago), licensed MIT. It adds 6,083 tokens to every session, about $0.0304 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 2026-08-30.

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