evidence-graded-citation

evidence-graded-citation is a skill for Claude Code, Codex from 0ryant/engineering-doctrine. It costs 80 tokens per session (1,007 once invoked), scanned A, original, Apache-2.0.

A guide for supporting engineering claims with graded citations. It classifies source authority, records access and revisions, and checks whether evidence is strong enough for the wording used.

In plain words
What is it for?
It is for producing research notes, architecture decisions, reviews, and other documents that rely on external evidence.
Why use it?
It prevents weak or outdated sources from being presented as firm evidence. It also discourages writing mandatory claims when the available support is insufficient.

Skill for Claude CodeCodex

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

Good fit It is for producing research notes, architecture decisions, reviews, and other documents that rely on external evidence.

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Install with agentmods
npx agentmods add skills/0ryant/engineering-doctrine/evidence-graded-citation
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 0ryant/engineering-doctrine --skill evidence-graded-citation
Clone the repo
git clone --depth 1 https://github.com/0ryant/engineering-doctrine

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 evidence-graded-citation

README.md
[![agentmods](https://agentmods.dev/badge/skills/0ryant/engineering-doctrine/evidence-graded-citation/github.svg)](https://agentmods.dev/skills/0ryant/engineering-doctrine/evidence-graded-citation)
Your own site
<a href="https://agentmods.dev/skills/0ryant/engineering-doctrine/evidence-graded-citation"><img src="https://agentmods.dev/badge/skills/0ryant/engineering-doctrine/evidence-graded-citation/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 evidence-graded-citation

Your own site · 80×15
<a href="https://agentmods.dev/skills/0ryant/engineering-doctrine/evidence-graded-citation"><img src="https://agentmods.dev/badge/skills/0ryant/engineering-doctrine/evidence-graded-citation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 80 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,007 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 $0.00080 $0.01007
Opus 5.5 $0.00032 $0.00403
Sonnet 5.5 $0.00016 $0.00201
Haiku 4.5 $0.00008 $0.00101

Measured 1mo ago against content hash aa918d7a6c2c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

evidence-graded-citation 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 1mo 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.

doctrine/skills/evidence-graded-citation/SKILL.md · 90 lines

How it starts

The opening of the file, as written. The whole thing — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Evidence-Graded Citation Skill

Kind: always-on primer for any evidence-bearing output Authority: advisory; grades are the author's claim and are reviewable

Purpose

Make the two-axis scheme of source-authority-and-evidence-grading.md mechanical at the point of writing: every citation says what kind of source it is, every claim says how well it is supported, and the admission floors for normative strength are applied before a MUST is written rather than discovered at review.

Instructions

When you cite a source to support a claim:
1. Tag every citation with its source-authority class S1 to S7 or X, record the accessed date, and pin the revision where the source is versioned.
2. Grade the claim, not the citation. C1 needs two independent S1-S4 sources with no credible contrary source; C2 needs one S1-S4 source or two independent S5-S6 sources; C3 is a single S5-S6 source or practitioner consensus; C4 is conflicting evidence or X-only support. Independent means different organisations with different incentives.
3. A MUST needs C1, or C2 with a stated risk asymmetry, or a registered entry in doctrine/EVIDENCE-EXCEPTIONS.md. A SHOULD needs C2, and single-source support must be flagged at the claim. X supports no normative claim.
4. Conformance claims are satisfied by the pinned norm itself; do not demand a second copy of a standard. Empirical claims about people and organisations cap at C2 on practitioner sources alone.
5. Look for disconfirming sources before grading. "No contrary evidence found after looking" is a statement you must be able to defend by saying where you looked.
6. Write the grade beside the claim as [S<n> C<n>, accessed YYYY-MM-DD]. A citation you cannot classify is X.

Run-Contract Use

context:
  skills:
    - [email protected]
verifiers:
  - [email protected]

Read the full file on GitHub · 90 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. 1mo ago Changed · +1 lines aa918d7a6c2c
  2. 1mo ago First seen · 89 lines · 80 tokens per session scan A 582a81340e5d

Subscribe to this mod's changes

evidence-graded-citation is a skill published in the GitHub repository 0ryant/engineering-doctrine (6 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 80 tokens to every session and 1,007 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-09-04.

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