agentic-uncertainty-quantifier

agentic-uncertainty-quantifier is a skill for Claude Code, Codex from Stijnman/grok-custom-skills. It costs 38 tokens per session (364 once invoked), scanned A, original, MIT.

A guide that estimates how uncertain a task is, separating unknown facts from uncertainty about the steps needed. It uses those estimates to suggest how much checking and iteration are appropriate.

In plain words
What is it for?
Use it when you need an uncertainty score, want to choose between a quick or careful approach, or need a recommendation for research and iteration depth.
Why use it?
It helps avoid treating unclear work as if it were certain. Higher uncertainty prompts deeper context gathering and refinement, while unclear procedures can prompt clarification before action.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when you need an uncertainty score, want to choose between a quick or careful approach, or need a recommendation for research and iteration depth.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/stijnman/grok-custom-skills/agentic-uncertainty-quantifier
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 Stijnman/grok-custom-skills --skill agentic-uncertainty-quantifier
Clone the repo
git clone --depth 1 https://github.com/Stijnman/grok-custom-skills

Made for: Claude Code, 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 agentic-uncertainty-quantifier

README.md
[![agentmods](https://agentmods.dev/badge/skills/stijnman/grok-custom-skills/agentic-uncertainty-quantifier/github.svg)](https://agentmods.dev/skills/stijnman/grok-custom-skills/agentic-uncertainty-quantifier)
Your own site
<a href="https://agentmods.dev/skills/stijnman/grok-custom-skills/agentic-uncertainty-quantifier"><img src="https://agentmods.dev/badge/skills/stijnman/grok-custom-skills/agentic-uncertainty-quantifier/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 agentic-uncertainty-quantifier

Your own site · 80×15
<a href="https://agentmods.dev/skills/stijnman/grok-custom-skills/agentic-uncertainty-quantifier"><img src="https://agentmods.dev/badge/skills/stijnman/grok-custom-skills/agentic-uncertainty-quantifier.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 364 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 $0.00038 $0.00364
Opus 5 $0.00019 $0.00182
Sonnet 5 $0.00008 $0.00073
Haiku 4.5 $0.00004 $0.00036

Measured 10d ago against content hash b2bab7a1cff0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

agentic-uncertainty-quantifier 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 10d 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.

.grok/skills/agentic-uncertainty-quantifier/SKILL.md · 49 lines

What it actually says

Agentic Uncertainty Quantifier

When to Use

  • User says quantify uncertainty or task matches this capability
  • User says fast slow think or task matches this capability
  • User says uncertainty score or task matches this capability
  • User says how sure or task matches this capability

Workflow

  1. Score epistemic uncertainty 0-10 (how much is unknown).
  2. Score procedural uncertainty 0-10 (how clear are the steps).
  3. High epistemic (>6): retrieve more context, run self-refine-loop.
  4. Low procedural (<4): ask clarifying questions before acting.
  5. Report scores and recommended depth to user.

Integrations

  • self-refine-loop
  • semantic-memory-manager
  • deep-search-enabler

Error Handling

Failure Response
False confidence Bias toward caution on destructive tasks.

Gotchas

  • Uncertainty > 7 on financial/deploy actions triggers hitl-approver.

Example

Input: User request matching triggers above. Output: Structured result per workflow with integrations invoked as needed.

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. 10d ago First seen · 49 lines · 38 tokens per session scan A b2bab7a1cff0

Subscribe to this mod's changes

agentic-uncertainty-quantifier is a skill published in the GitHub repository Stijnman/grok-custom-skills (9 stars, last pushed today), licensed MIT. It adds 38 tokens to every session and 364 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 2026-08-31.

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