Borrowing it
Nothing to install: this file belongs to marckrenn/rtfmbro-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/marckrenn/rtfmbro-mcp/main/.github/copilot-instructions.mdgit clone --depth 1 https://github.com/marckrenn/rtfmbro-mcpWrote 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.
[](https://agentmods.dev/instructions/marckrenn/rtfmbro-mcp/copilot-instructions)<a href="https://agentmods.dev/instructions/marckrenn/rtfmbro-mcp/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/marckrenn/rtfmbro-mcp/copilot-instructions.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00397 | $0.00397 |
| Opus 5 | $0.00198 | $0.00198 |
| Sonnet 5 | $0.00079 | $0.00079 |
| Haiku 4.5 | $0.00040 | $0.00040 |
Grade A, and why
rtfmbro-mcp copilot-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 7d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- rtfmbro-mcp CLAUDE.md — 97% identical, 2 lines differ
What it actually says
Copilot Instructions for Package Documentation
Package Documentation Policy
- Before using any package, module, or library, ALWAYS consult its documentation — your internal knowledge may be outdated and could cause errors or failures.
- Don't assume anything about the package's functionality, usage, or configuration without verifying it against the official documentation.
- If you are unsure about a user's request that may involve a package, module, or library, ALWAYS refer to the documentation first or ask the user to provide the package name and version.
Workflow
- Don't immediately lookup the user's original codebase.
- First, Identify the package name and the EXACT pinned version (eg. "==1.0.5") from the project’s lock file (eg. uv.lock, bun.lock).
- Using this information fetch documentation by executing one of the provided tools:
get_readmeget_documentation_treeread_filessearch_github_repositories- Search for Github packages and repositories by topic, language, or keywords. Note, sometimes the documentation is located in a separate repository (liketailwindlabs/tailwindcss.com). Use the repo owner to search for the repo containing the documentation.
- Review the documentation carefully to understand:
- Core functionality
- Usage patterns
- Any caveats or special instructions
- Reference examples from the documentation to guide your implementation.
Ecosystem Selection:
- Use
pypifor Python packages - Use
npmfor Node.js packages - Use
spmfor Swift packages - Use
ghonly as a fallback for languages not supported by the above registries (package name must be in 'owner/repo' format) or if you're unsure about the package's ecosystem. Also useghwhen you don't find the package in the lock file.
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.
- 7d ago First seen · 26 lines · 397 tokens per session scan A 497a5e3dbb09
rtfmbro-mcp copilot-instructions.md is an instructions file published in the GitHub repository marckrenn/rtfmbro-mcp (92 stars, last pushed 1y ago), licensed MIT. It adds 397 tokens to every session, about $0.0020 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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