additive-bias-defense SKILL.md skillA
additive-bias-defense from athola/claude-night-market is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add athola/claude-night-market/additive-bias-defense@git:20260713.f98719bPins git:20260713.f98719b in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- athola/claude-night-market
- Path
plugins/leyline/skills/additive-bias-defense/SKILL.md- Versions recorded
- 5
- Latest version
- git:20260713.f98719b, committed Jul 13, 2026
- First version recorded
- May 21, 2026
- Size
- 5,189 bytes
- Repository stars
- 348
- License
- MIT
Inverts burden of proof for code additions. Use when reviewing PRs, planning refactors, or running unbloat to challenge every addition's necessity.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
> The default answer to "should we add this?" is no. > The burden of proof is on the addition. # Additive Bias Defense > **Note (#444):** Frontmatter declares ``provides.guidance``, not > ``provides.contract``. The scrutiny questions are consumed by > partner skills (``pensive:code-refinement``, ``conserve:unbloat``, > ``imbue:scope-guard``) that voluntarily embed them; no validator or > hook in leyline enforces them directly. If a future contributor > adds enforcement, restore the ``contract`` label and link the > validator path here. ## When NOT To Use - Removing bloat that already landed (use `conserve:bloat-detector`) - Scoring whether a feature is worth building (use `imbue:scope-guard`) ## The Problem LLMs are additive by nature. They reinvent wheels, add unnecessary complexity, hallucinate issues and modify tests to justify them, and deviate from priorities. This contract provides a systemic defense. ## The Scrutiny Questions Applied to every proposed addition (code, files, abstractions, error handling, configuration): 1. **Priority alignment**: Is this a deviation from the current priority? 2. **Criticality**: Is it critical to implement at this juncture? …
Read the whole file at its exact version.
How to install
mdr add athola/claude-night-market/additive-bias-defense@sha256:4f5c4dc4b1a336d9The line at the top of this page pins the label git:20260713.f98719b, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_i4fj672cpcjak6nv)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between May 21, 2026 and Jul 13, 2026, about one every 13 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260713.f98719b latest | 2026-07-13 | f98719b | 5,189 B | A | view · diff |
| git:20260622.c7c8f6f | 2026-06-22 | c7c8f6f | 5,027 B | A | view · diff |
| git:20260601.8d67212 | 2026-06-01 | 8d67212 | 4,323 B | A | view · diff |
| git:20260529.62f598e | 2026-05-29 | 62f598e | 4,325 B | A | view · diff |
| git:20260521.6f5c7d9 | 2026-05-21 | 6f5c7d9 | 4,324 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (5189 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
athola/claude-night-market · 348 stars · license MIT · pushed 2026-11-05 · branch master
API
GET https://markdownregistry.com/api/v1/artifacts/art_i4fj672cpcjak6nv GET https://markdownregistry.com/api/v1/resolve?ref=athola/claude-night-market/additive-bias-defense GET https://markdownregistry.com/api/v1/blob/4f5c4dc4b1a336d96c53c7d0c9fe18800e37bed83cf422812c1e078c83e75dfe
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.