adaptive-pair-selection

adaptive-pair-selection is a skill for Claude Code, Codex from yogsoth-ai/de-anthropocentric-research-engine. It costs 27 tokens per session (539 once invoked), scanned A, original, Apache-2.0.

An iterative method for ranking items by comparing selected pairs. It chooses comparisons that are expected to reduce uncertainty, updates ratings from each judgment, and stops when the ranking is stable or the comparison budget is used.

In plain words
What is it for?
Use it to rank products, designs, candidates, or other items through repeated pairwise comparisons and confidence-based updates.
Why use it?
It avoids spending comparisons evenly when some pairs would provide more useful information. It focuses effort on uncertain or inconsistent parts of the ranking.

Skill for Claude CodeCodex

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

Good fit Use it to rank products, designs, candidates, or other items through repeated pairwise comparisons and confidence-based updates.

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Install with agentmods
npx agentmods add skills/yogsoth-ai/de-anthropocentric-research-engine/adaptive-pair-selection
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 yogsoth-ai/de-anthropocentric-research-engine --skill adaptive-pair-selection
Clone the repo
git clone --depth 1 https://github.com/yogsoth-ai/de-anthropocentric-research-engine

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 adaptive-pair-selection

README.md
[![agentmods](https://agentmods.dev/badge/skills/yogsoth-ai/de-anthropocentric-research-engine/adaptive-pair-selection/github.svg)](https://agentmods.dev/skills/yogsoth-ai/de-anthropocentric-research-engine/adaptive-pair-selection)
Your own site
<a href="https://agentmods.dev/skills/yogsoth-ai/de-anthropocentric-research-engine/adaptive-pair-selection"><img src="https://agentmods.dev/badge/skills/yogsoth-ai/de-anthropocentric-research-engine/adaptive-pair-selection/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 adaptive-pair-selection

Your own site · 80×15
<a href="https://agentmods.dev/skills/yogsoth-ai/de-anthropocentric-research-engine/adaptive-pair-selection"><img src="https://agentmods.dev/badge/skills/yogsoth-ai/de-anthropocentric-research-engine/adaptive-pair-selection.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 539 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00027 $0.00539
Opus 5 $0.00014 $0.00269
Sonnet 5 $0.00005 $0.00108
Haiku 4.5 $0.00003 $0.00054

Measured 10d ago against content hash f7209e8bbb90, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

adaptive-pair-selection 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.

skills/adaptive-pair-selection/SKILL.md · 65 lines

How it starts

The opening of the file, as written. The whole thing — 65 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Adaptive Pair Selection

Select the next comparison pair by information gain, execute the comparison, update ratings, and check for convergence. Repeats until the ranking stabilizes or the comparison budget is exhausted.

Stages

  1. Select — pair-selector identifies the pair whose comparison would most reduce uncertainty
  2. Compare — comparison-executor produces a judgment with confidence and reasoning
  3. Update — rating-update incorporates the new judgment into the rating model
  4. Check — convergence-check determines if ranking has stabilized

Loop stages 1-4 until convergence or budget exhaustion.

Available SOPs

Stage SOP Input Output
Select pair-selector current_ratings, comparison_history next_pairs[]
Compare comparison-executor pair, context judgment
Update rating-update judgment, current_ratings, method updated_ratings
Check convergence-check rating_history converged, stability_score

Execution Guidance

  • Start with high-uncertainty pairs (largest sigma or most uncertain boundary)
  • For small N: may complete all pairs in first pass, then focus on inconsistencies
  • For large N: prioritize pairs near rank boundaries (positions k and k+1)
  • Track comparison count against budget; exit gracefully if budget hit
  • Pass full rating_history to convergence-check (not just latest snapshot)

Minimum Yield

  • Global ranking + confidence intervals + convergence curve
  • Global ranking with confidence intervals for each position
  • Convergence curve showing stability score over iterations
  • Comparison log with all judgments made

Available SOPs

Optional, no fixed order; the final leaf is always a sop.

SOP When to use
comparison-executor Execute a pairwise comparison between two candidates, producing a judgment with winner, confidence, and reasoning.
convergence-check Evaluate whether the ranking has stabilized by analyzing rating history and computing stability metrics.
pair-selector Select the next comparison pairs that maximize information gain given current ratings and comparison history.
rating-update Incorporate a new judgment into the rating model and return updated ratings for all candidates.

Read the full file on GitHub · 65 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. 10d ago First seen · 65 lines · 27 tokens per session scan A f7209e8bbb90

Subscribe to this mod's changes

adaptive-pair-selection is a skill published in the GitHub repository yogsoth-ai/de-anthropocentric-research-engine (449 stars, last pushed today), licensed Apache-2.0. It adds 27 tokens to every session and 539 once invoked, about $0.0001 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 2026-08-30.

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