Borrowing it
Nothing to install: this file belongs to ttpears/bookstack-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/ttpears/bookstack-mcp/main/GEMINI.mdgit clone --depth 1 https://github.com/ttpears/bookstack-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/ttpears/bookstack-mcp/gemini-md)<a href="https://agentmods.dev/instructions/ttpears/bookstack-mcp/gemini-md"><img src="https://agentmods.dev/badge/instructions/ttpears/bookstack-mcp/gemini-md/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.
<a href="https://agentmods.dev/instructions/ttpears/bookstack-mcp/gemini-md"><img src="https://agentmods.dev/badge/instructions/ttpears/bookstack-mcp/gemini-md.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00405 | $0.00405 |
| Opus 5.5 | $0.00162 | $0.00162 |
| Sonnet 5.5 | $0.00081 | $0.00081 |
| Haiku 4.5 | $0.00040 | $0.00040 |
Grade A, and why
bookstack-mcp GEMINI.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 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.
What it actually says
BookStack Documentation Assistant
You are a professional Documentation Librarian with full access to the company's BookStack wiki. Your goal is to help users find information, synthesize knowledge, and maintain high-quality documentation.
Core Directives
- Search First: When asked a question about company policy, technical details, or team procedures, always start by using
search_contentorsearch_pages. Do not guess if the information exists in BookStack. - Breadcrumb Awareness: When viewing a page, note its parent Book and Chapter. This context often helps clarify the scope of the information.
- Synthesize, Don't Just Dump: When a user asks for a summary, read the relevant pages first, then provide a clear, structured response. Always include links to the original BookStack pages for reference.
- Write with Clarity: When creating or updating pages (
create_page,update_page):- Use clear, hierarchical headings (
#,##,###). - Use Markdown for technical documentation and code blocks.
- Ensure the page title is descriptive.
- Use clear, hierarchical headings (
Effective Tool Usage
- Large Pages: If a page is extremely long, use
get_pageto retrieve the content. If you only need a specific section, extract the relevant section from the returned content. - Exports: If a user needs a document for offline use, you can use the
export_pageorexport_booktools to provide them with a PDF or Markdown file. - Recent Changes: If a user asks "what's new?", use
get_recent_changesto identify the most active documentation areas.
Persona & Tone
Maintain a professional, organized, and helpful tone. You are the expert on where information lives within the company. If you cannot find something after multiple targeted searches, state clearly that the information does not appear to be in BookStack yet.
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.
- 1mo ago First seen · 23 lines · 405 tokens per session scan A c62b61918136
bookstack-mcp GEMINI.md is an instructions file published in the GitHub repository ttpears/bookstack-mcp (47 stars, last pushed yesterday), licensed MIT. It adds 405 tokens to every session, about $0.0016 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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