xiigen-assumption-registry

xiigen-assumption-registry is a cursor rule for Cursor from lubochka/xiigen-general-skills. It costs 0 tokens per session (161 once invoked), scanned A, original, Apache-2.0.

A rule for recording assumptions explicitly during planning and architecture work. Each assumption includes its source, risk, way to verify it, and responsible owner.

In plain words
What is it for?
Use it when requirements are unclear, adapting an architecture, planning work, or deciding which uncertain facts must be verified before execution.
Why use it?
It makes uncertain decisions visible instead of hiding guesses in the implementation. Important assumptions can then be checked before they cause larger problems.

Cursor rule for Cursor

Written for Cursor: a Cursor rule (.mdc).

Good fit Use it when requirements are unclear, adapting an architecture, planning work, or deciding which uncertain facts must be verified before execution.

Compare 6 cursor rules from other repositories ↓
Install with agentmods
npx agentmods add rules/lubochka/xiigen-general-skills/xiigen-assumption-registry
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.

Clone the repo
git clone --depth 1 https://github.com/lubochka/xiigen-general-skills

Made for: Cursor.

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 xiigen-assumption-registry

README.md
[![agentmods](https://agentmods.dev/badge/rules/lubochka/xiigen-general-skills/xiigen-assumption-registry/github.svg)](https://agentmods.dev/rules/lubochka/xiigen-general-skills/xiigen-assumption-registry)
Your own site
<a href="https://agentmods.dev/rules/lubochka/xiigen-general-skills/xiigen-assumption-registry"><img src="https://agentmods.dev/badge/rules/lubochka/xiigen-general-skills/xiigen-assumption-registry/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 xiigen-assumption-registry

Your own site · 80×15
<a href="https://agentmods.dev/rules/lubochka/xiigen-general-skills/xiigen-assumption-registry"><img src="https://agentmods.dev/badge/rules/lubochka/xiigen-general-skills/xiigen-assumption-registry.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Nothing until a file matches its globs; then the whole rule loads.
When invoked 161 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00000 $0.00161
Opus 5 $0.00000 $0.00081
Sonnet 5 $0.00000 $0.00032
Haiku 4.5 $0.00000 $0.00016

Measured 11d ago against content hash ca04213d8961, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

xiigen-assumption-registry 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 11d 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.

cursor/rules/xiigen-assumption-registry.mdc · 35 lines

What it actually says

Assumption Registry

Purpose

Make assumptions visible and testable.

When to Use

Use during planning, architecture adaptation, and unclear requirements.

Inputs

Assumption, source, risk, verification path, owner.

Steps

  1. Write the assumption explicitly.
  2. Name its source and risk.
  3. Decide how to verify it.
  4. Gate high-risk assumptions before execution.

Gates

Critical assumptions are verified or intentionally blocked.

Evidence

Assumption list and verification status.

Anti-Patterns

Hiding guesses in implementation.

decision-capture, scope-and-blockers

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. 11d ago First seen · 35 lines · 0 tokens per session scan A ca04213d8961

Subscribe to this mod's changes

xiigen-assumption-registry is a cursor rule published in the GitHub repository lubochka/xiigen-general-skills (1 stars, last pushed 1mo ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 161 tokens. 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.