bias-assessor

bias-assessor is a skill for Codex from WILLOSCAR/research-units-pipeline-skills. It costs 24 tokens per session (342 once invoked), scanned A, original, no licence file.

A review tool for adding lightweight risk-of-bias and evidence-quality fields to a research evidence table. Risk of bias means checking how much a study's design may have affected its findings.

In plain words
What is it for?
Use it for evidence or systematic reviews after an extraction table has been created, before synthesis.
Why use it?
It records basic concerns about study reliability before the evidence is combined into conclusions.

Skill for Codex

Written for Codex: installed under .codex/.

Good fit Use it for evidence or systematic reviews after an extraction table has been created, before synthesis.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/willoscar/research-units-pipeline-skills/bias-assessor
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 WILLOSCAR/research-units-pipeline-skills --skill bias-assessor
Clone the repo
git clone --depth 1 https://github.com/WILLOSCAR/research-units-pipeline-skills

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 bias-assessor

README.md
[![agentmods](https://agentmods.dev/badge/skills/willoscar/research-units-pipeline-skills/bias-assessor/github.svg)](https://agentmods.dev/skills/willoscar/research-units-pipeline-skills/bias-assessor)
Your own site
<a href="https://agentmods.dev/skills/willoscar/research-units-pipeline-skills/bias-assessor"><img src="https://agentmods.dev/badge/skills/willoscar/research-units-pipeline-skills/bias-assessor/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 bias-assessor

Your own site · 80×15
<a href="https://agentmods.dev/skills/willoscar/research-units-pipeline-skills/bias-assessor"><img src="https://agentmods.dev/badge/skills/willoscar/research-units-pipeline-skills/bias-assessor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 24 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 342 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 unknown 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 $0.00024 $0.00342
Opus 5 $0.00012 $0.00171
Sonnet 5 $0.00005 $0.00068
Haiku 4.5 $0.00002 $0.00034

Measured 9d ago against content hash c6aa739e3aec, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

bias-assessor 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 9d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/run.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

.codex/skills/bias-assessor/SKILL.md · 59 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 9d ago Changed · +3 lines · -120 tokens per session c6aa739e3aec
  2. 12d ago First seen · 56 lines · 144 tokens per session scan A 76f9b625901d

Subscribe to this mod's changes

bias-assessor is a skill published in the GitHub repository WILLOSCAR/research-units-pipeline-skills (506 stars, last pushed yesterday), with no licence file. It adds 24 tokens to every session and 342 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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