sources-and-concept

sources-and-concept is a cursor rule for Codex from RalfHuesing/ComputeToAi. It costs 359 tokens per session, scanned A, original, MIT.

Project rules for using trustworthy sources, settling the written concept before adding code, and keeping genuinely undecided questions open. They specifically cover changing facts such as German tax and pension rules.

In plain words
What is it for?
Documenting external research, recording dates and sources, designing the simulation before implementation, and managing unresolved design questions.
Why use it?
They reduce the risk of building on unsupported claims, outdated legal values, or architecture decisions that have not been agreed.

Cursor rule for Codex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add rules/ralfhuesing/computetoai/sources-and-concept
Clone the repo
git clone --depth 1 https://github.com/RalfHuesing/ComputeToAi

Made for: Codex.

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 sources-and-concept

README.md
[![agentmods](https://agentmods.dev/badge/rules/ralfhuesing/computetoai/sources-and-concept.svg)](https://agentmods.dev/rules/ralfhuesing/computetoai/sources-and-concept)
Your own site
<a href="https://agentmods.dev/rules/ralfhuesing/computetoai/sources-and-concept"><img src="https://agentmods.dev/badge/rules/ralfhuesing/computetoai/sources-and-concept.svg" alt="Measured on agentmods" height="20"></a>
Per session 359 This file is loaded in full into every session.
When invoked 359 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.00359 $0.00359
Opus 5 $0.00179 $0.00179
Sonnet 5 $0.00072 $0.00072
Haiku 4.5 $0.00036 $0.00036

Measured 2d ago against content hash 6e92875cf0e1, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

sources-and-concept 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 2d 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/rules/sources-and-concept.mdc · 20 lines

What it actually says

Quellentreue

Aussagen zu deutschem Steuer- und Rentenrecht müssen nachvollziehbar und möglichst aktuell sein. Bei unsicheren oder sich ändernden Werten (z. B. Freibeträge, Basiszins) wird der Stand (Jahr) explizit im Text vermerkt, statt ihn stillschweigend als feste Konstante zu behandeln. Recherchierte externe Fakten werden zusätzlich mit Quelle/URL/Abrufdatum in Docs/09-Quellen.md festgehalten, nicht nur im jeweiligen Fachdokument verlinkt.

Konzept vor Code

Solange primär an Docs/ gearbeitet wird, werden Implementierungsdetails nicht vorweggenommen. Bereits getroffene Grundsatzentscheidungen (Sprache Python, MCP-only ohne eigenes Frontend, lokale Datenhaltung – siehe Docs/02-Architektur-und-MCP.md) sind davon ausgenommen; alle weiteren Architektur-/Technologiefragen bleiben offen, bis sie in Docs/08-Offene-Fragen.md geklärt werden. Sobald Meilenstein 1 (siehe Docs/10-Roadmap.md) beginnt, gilt zusätzlich code-standards.mdc.

Offene Fragen bleiben offen

Docs/08-Offene-Fragen.md enthält ausschließlich Punkte, die tatsächlich noch ungeklärt sind. Sobald eine Frage inhaltlich entschieden wird:

  1. Frage entfernen (nicht nur als „beantwortet" markieren und stehen lassen).
  2. Entscheidung direkt im fachlich passenden Dokument festhalten (Kern-Domänenmodell, Architektur, Feature-Dokumente oder Anforderungen).
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. 2d ago First seen · 20 lines · 359 tokens per session scan A 6e92875cf0e1

Subscribe to this mod's changes

sources-and-concept is a cursor rule published in the GitHub repository RalfHuesing/ComputeToAi (0 stars, last pushed 1mo ago), licensed MIT. It adds 359 tokens to every session, about $0.0018 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.