finfocus markdown-files.instructions.md

A set of rules for writing and maintaining Markdown documentation, the plain-text format commonly used for README files and project guides. It covers structure, examples, links, metadata, and checks for formatting errors.

In plain words
What is it for?
Use it when creating or reviewing Markdown files, adding code examples, managing frontmatter, or checking documentation with markdownlint.
Why use it?
It gives documentation a consistent shape and helps prevent broken links, invalid examples, and confusing organization.

Instructions file for GitHub Copilot

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.

agentmods
npx agentmods add instructions/rshade/finfocus/markdown-files
Clone the repo
git clone --depth 1 https://github.com/rshade/finfocus

Made for: GitHub Copilot.

Per session 296 This file is loaded in full into every session.
When invoked 296 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.00296 $0.00296
Opus 5 $0.00148 $0.00148
Sonnet 5 $0.00059 $0.00059
Haiku 4.5 $0.00030 $0.00030

Measured 2d ago against content hash eabcf1f2ef03, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

finfocus markdown-files.instructions.md 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 2d 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.

.github/instructions/markdown-files.instructions.md · 67 lines

What it actually says

Markdown Documentation Instructions

Documentation files follow specific standards and formatting requirements.

Documentation Standards:

  • Use clear, concise language
  • Follow Google markdown style guide
  • Include proper frontmatter (title, description, layout)
  • Use consistent heading hierarchy
  • Include table of contents for long documents

Content Organization:

  • Start with overview/summary
  • Use logical section organization
  • Include examples and code snippets
  • Provide troubleshooting information
  • Link to related documentation

Code Examples:

  • Use proper syntax highlighting
  • Test all code examples
  • Include language identifiers
  • Use consistent formatting
  • Provide context for examples
  • Use relative links within the repository
  • Check for broken links regularly
  • Use descriptive link text
  • Maintain link accuracy

Frontmatter Requirements:

  • Include title, description, and layout fields
  • Use proper YAML formatting
  • Follow Jekyll conventions for docs/
  • Include metadata for SEO and navigation

Linting and Validation:

  • Pass markdownlint checks
  • Follow repository-specific rules
  • Use consistent formatting
  • Validate links and references

Documentation Updates:

  • Keep documentation current with code changes
  • Update examples when APIs change
  • Review documentation in PR reviews
  • Include documentation changes in feature PRs

File Organization:

  • Use descriptive filenames
  • Follow repository directory structure
  • Place files in appropriate directories
  • Use consistent naming conventions
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. 2d ago First seen · 67 lines · 296 tokens per session scan A eabcf1f2ef03

Subscribe to this mod's changes

finfocus markdown-files.instructions.md is an instructions file published in the GitHub repository rshade/finfocus (5 stars, last pushed 16d ago), licensed Apache-2.0. It adds 296 tokens to every session, about $0.0015 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 2026-08-31.

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