evidence-card

evidence-card is a skill for Claude Code, Codex from illusionaireal/oh-my-patent. It costs 23 tokens per session (526 once invoked), scanned A, original, MIT.

A standard record for collecting and comparing evidence about earlier patents, research papers, technical standards, or other references. In patent work, prior art means existing information that may affect whether an invention is new.

In plain words
What is it for?
Use it to create one evidence card per reference in the project’s references directory.
Why use it?
It keeps source details, summaries, relevant features, and differences together in a consistent format.

Skill for Claude CodeCodex

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

Good fit Use it to create one evidence card per reference in the project’s references directory.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/illusionaireal/oh-my-patent/evidence-card
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 illusionaireal/oh-my-patent --skill evidence-card
Clone the repo
git clone --depth 1 https://github.com/illusionaireal/oh-my-patent

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-card

README.md
[![agentmods](https://agentmods.dev/badge/skills/illusionaireal/oh-my-patent/evidence-card/github.svg)](https://agentmods.dev/skills/illusionaireal/oh-my-patent/evidence-card)
Your own site
<a href="https://agentmods.dev/skills/illusionaireal/oh-my-patent/evidence-card"><img src="https://agentmods.dev/badge/skills/illusionaireal/oh-my-patent/evidence-card/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-card

Your own site · 80×15
<a href="https://agentmods.dev/skills/illusionaireal/oh-my-patent/evidence-card"><img src="https://agentmods.dev/badge/skills/illusionaireal/oh-my-patent/evidence-card.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 526 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 $0.00023 $0.00526
Opus 5.5 $0.00009 $0.00210
Sonnet 5.5 $0.00005 $0.00105
Haiku 4.5 $0.00002 $0.00053

Measured 1mo ago against content hash 2d2d3fd0614a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

evidence-card 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.

src/skills/evidence-card/SKILL.md · 76 lines

What it actually says

Evidence Card Skill

Generate standardized evidence cards for prior art references.

Usage

Creates structured evidence cards in references/ directory.

Card Format

# Evidence Card: {ID}

## Source
- Database: {source}
- ID: {identifier}
- URL: {url}
- Type: patent | paper | standard

## Content
- Title: {title}
- Abstract: {abstract}
- Claims Summary: {claims_summary}

## Relevance
- Key Features: {key_features}
- Differences: {differences}

## Legal Status
- Status: granted | pending | lapsed | withdrawn
- Jurisdiction: CN | US | EP | JP
- Expiration: YYYY-MM-DD (if known)

## Patent Family
| Jurisdiction | Patent Number | Status |
|-------------|-------------|--------|
| CN | CN108234567A | granted |
| US | US10123456B2 | granted |
| EP | EP3456789A1 | pending |

## Citations

### Forward Citations (cited by)
- [R3] Title (2023) - cited Claim 1
- [R5] Title (2022) - cited Claim 1, 3
(max 10, sorted by relevance)

### Backward Citations (cites)
- [D1] Title (2018) - cited by this patent
- [D2] Title (2019) - cited by this patent
(max 10, sorted by relevance)

Field Requirements

Field Required for Notes
Source All entries Database name
Content All entries Title + abstract minimum
Relevance All entries Key features + differences
Legal Status Patents with relevance >= 4 stars Required for high-relevance patents
Patent Family All patent entries Even if only self (1 row)
Forward Citations Patents with relevance >= 4 stars Max 10, skip if unavailable
Backward Citations Patents with relevance >= 4 stars Max 10, skip if unavailable

If deep information (legal status, family, citations) is not available from MCP servers, mark the section as "Information not available" rather than omitting it.

Output

  • references/{source}_{id}.md: Individual evidence card
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 · +39 lines 2d2d3fd0614a
  2. 1mo ago First seen · 37 lines · 23 tokens per session scan A 22277c035167

Subscribe to this mod's changes

evidence-card is a skill published in the GitHub repository illusionaireal/oh-my-patent (110 stars, last pushed 15d ago), licensed MIT. It adds 23 tokens to every session and 526 once invoked, about $0.0001 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 2026-08-30.

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