deterministic-dependency-engine: Instructions file for Codex

AGENTS.md

deterministic-dependency-engine AGENTS.md is an instructions file for Codex, OpenCode from tetracoralla/deterministic-dependency-engine. It costs 605 tokens per session, scanned A, original, Apache-2.0.

Repository instructions for a deterministic dependency engine—a tool that reasons about explicitly listed prerequisites and the order work can happen. They define the project's concepts, rules, and review process.

In plain words
What is it for?
Use them when reviewing or changing the repository, especially when checking dependency relationships, data models, ordering, and allowed product scope.
Why use it?
They prevent reviews and code changes from breaking the engine's rules or adding unsupported behaviour.

Instructions file for CodexOpenCode

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

This is tetracoralla/deterministic-dependency-engine's own configuration. It tells Codex and OpenCode how to work on deterministic-dependency-engine 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 deterministic-dependency-engine configures →

Reuse

Borrowing it

Nothing to install: this file belongs to tetracoralla/deterministic-dependency-engine. 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/tetracoralla/deterministic-dependency-engine/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/tetracoralla/deterministic-dependency-engine

Made for: Codex, OpenCode.

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Per session 605 This file is loaded in full into every session.
When invoked 605 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 $0.00605 $0.00605
Opus 5.5 $0.00242 $0.00242
Sonnet 5.5 $0.00121 $0.00121
Haiku 4.5 $0.00060 $0.00060

Measured 1mo ago against content hash d2d32021527d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

deterministic-dependency-engine 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 1mo 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 · 55 lines

How it starts

The opening of the file, as written. The whole thing — 55 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Deterministic Dependency Engine repository contract

For a requested review, read docs/REVIEW_CONTRACT.md within the requested scope and follow the relevant source and dependencies. It records known risks, not an exhaustive search plan. Report concrete cross-repository implications when found. Review is read-only unless fixes are also requested; this entrypoint does not dispatch another reviewer.

This repository owns a deterministic dependency-reasoning product. Product identity lives in docs/PRODUCT_IDENTITY.md; product meaning lives in docs/PRODUCT_MODEL.md; current executable Zod models and tests are the runtime authority.

Invariants

  • The engine proves derivations over declared relations, never the truth of those relations.
  • Public dependency edges are always named dependent and prerequisite. Do not expose ambiguous from / to input fields.
  • Graph structure, current satisfied facts, and the query remain separate.
  • Equal candidates use code-point ordering. Input array order must not change a canonical result.
  • V1 is a directed dependency reasoning engine. Do not add alternatives, conflicts, version ranges, provider selection, SAT/SMT, task execution, graph discovery, a graph database, or a visual graph editor without a new owner requirement.
  • The authorized sphere viewer is a human-only, read-only projection. Keep camera state, coordinates, styles, focus, and rendering details out of the public graph, result, receipt, CLI, HTTP, MCP, and Skill contracts.
  • Keep the transparent sphere as the dominant human surface. Source and Analysis are progressively disclosed exact-data layers, not competing default panels; the sphere must never imply an inferred or persisted spatial truth.
  • Keep canvas chrome as bounded edge controls and overlays, not full-width bars or layout columns that resize the spatial graph.
  • Library, CLI, MCP, HTTP, and UI call the same core operations. Adapters do not reimplement graph semantics.
  • MCP accepts inline typed data only. It never resolves Agent-controlled file paths against ambient process state.
  • The complete serialized result must respect the selected response limit. Requests, node counts, relation counts, query counts, and wall time are cumulatively bounded.
  • A receipt identifies a calculation and its hashes. It is never called proof and never asserts that declared business relations are true.

Read the full file on GitHub · 55 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. 1mo ago Changed · +1 lines · +5 tokens per session d2d32021527d
  2. 2mo ago First seen · 54 lines · 600 tokens per session scan A 2c881170d850

Subscribe to this mod's changes

deterministic-dependency-engine AGENTS.md is an instructions file published in the GitHub repository tetracoralla/deterministic-dependency-engine (0 stars, last pushed 21d ago), licensed Apache-2.0. It adds 605 tokens to every session, about $0.0024 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.

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