using-denial-ladders

using-denial-ladders is a skill for Claude Code from Nolane-x/forge-os. It costs 40 tokens per session (1,470 once invoked), scanned A, original, MIT.

A creativity skill for using denial ladders, a structured way to test an idea by repeatedly asking what would reject or disprove it.

In plain words
What is it for?
Use it to evaluate or narrow ideas when the creativity process requires explicit rejection criteria.
Why use it?
It helps record rejected alternatives and examine ideas systematically during creative work.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the forgeos plugin — 196 skills, 1 command, 1 agent, 1 MCP server shipped together

Good fit Use it to evaluate or narrow ideas when the creativity process requires explicit rejection criteria.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/nolane-x/forge-os/using-denial-ladders
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.

Any agent
npx skills add Nolane-x/forge-os --skill using-denial-ladders
Clone the repo
git clone --depth 1 https://github.com/Nolane-x/forge-os

Made for: Claude Code.

Or install forgeos, the plugin that ships this one along with the rest of its 196 skills, 1 command, 1 agent, 1 MCP server.

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 using-denial-ladders

README.md
[![agentmods](https://agentmods.dev/badge/skills/nolane-x/forge-os/using-denial-ladders.svg)](https://agentmods.dev/skills/nolane-x/forge-os/using-denial-ladders)
Your own site
<a href="https://agentmods.dev/skills/nolane-x/forge-os/using-denial-ladders"><img src="https://agentmods.dev/badge/skills/nolane-x/forge-os/using-denial-ladders.svg" alt="Measured on agentmods" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,470 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 $0.00040 $0.01470
Opus 5 $0.00020 $0.00735
Sonnet 5 $0.00008 $0.00294
Haiku 4.5 $0.00004 $0.00147

Measured 4d ago against content hash b5d824dcb154, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

using-denial-ladders 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 4d 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.

skills/core/creativity/using-denial-ladders/SKILL.md · 133 lines

How it starts

The opening of the file, as written. The whole thing — 133 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Using Denial Ladders

Overview

This skill owns one bounded responsibility: using denial ladders. Its focus is using denial ladders within creativity lifecycle boundaries. It converts declared inputs into typed artifacts and reproducible evidence without silently changing product scope.

Trigger

Activate only when the project is in one of these stages: divergence, synthesis, all contract preconditions pass, and the router identifies a missing output this skill can produce. Do not activate merely because the skill name resembles the user request.

Required Inputs

  • creative-brief
  • Current gate result, open findings, artifact hashes, and invalidation state
  • Required tools: none
  • Optional tools: none
  • Confirmed human decisions relevant to this scope

Method-Specific Protocol

  1. Define the exact decision, actors, objects, states, invariants, side effects, and non-goals owned by using denial ladders.
  2. Build a decision table for normal, boundary, invalid, permission, failure, retry, recovery, concurrency, migration, and abuse conditions relevant to using denial ladders.
  3. Apply using denial ladders only to direct input artifacts; record assumptions, rejected alternatives, and any human decision still required.
  4. Trace the resulting contract to user value, security, reliability, cost, operability, and downstream consumers.
  5. Create reproducible checks that would fail if using denial ladders were incomplete or implemented incorrectly.

Procedure

  1. Freeze the challenge, constraints, forbidden defaults, and evaluation frame.
  2. Generate independent mechanism-level candidates before cross-contamination.
  3. Define the exact decision, actors, objects, states, invariants, side effects, and non-goals owned by using denial ladders.
  4. Build a decision table for normal, boundary, invalid, permission, failure, retry, recovery, concurrency, migration, and abuse conditions relevant to using denial ladders.
  5. Apply using denial ladders only to direct input artifacts; record assumptions, rejected alternatives, and any human decision still required.
  6. Trace the resulting contract to user value, security, reliability, cost, operability, and downstream consumers.
  7. Create reproducible checks that would fail if using denial ladders were incomplete or implemented incorrectly.
  8. Apply the named divergence or mutation operation.
  9. Represent candidates as structured idea genomes.
  10. Remove semantic duplicates and fake novelty.
  11. Hand off distinct candidates without selecting a winner prematurely.

Read the full file on GitHub · 133 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 4d ago First seen · 133 lines · 40 tokens per session scan A b5d824dcb154

Subscribe to this mod's changes

using-denial-ladders is a skill published in the GitHub repository Nolane-x/forge-os (10 stars, last pushed 1mo ago), licensed MIT. It adds 40 tokens to every session and 1,470 once invoked, about $0.0002 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 2026-09-03.