Borrowing it
Nothing to install: this file belongs to aniketbiswas/obsidian-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/aniketbiswas/obsidian-mcp/main/.github/copilot-instructions.mdgit clone --depth 1 https://github.com/aniketbiswas/obsidian-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/aniketbiswas/obsidian-mcp/copilot-instructions)<a href="https://agentmods.dev/instructions/aniketbiswas/obsidian-mcp/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/aniketbiswas/obsidian-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 | $0.00263 | $0.00263 |
| Opus 5 | $0.00131 | $0.00131 |
| Sonnet 5 | $0.00053 | $0.00053 |
| Haiku 4.5 | $0.00026 | $0.00026 |
Grade C, and why
obsidian-mcp copilot-instructions.md scanned grade C with 1 finding 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.
Hidden instructionshighPrompt injection
Directives inside HTML comments, invisible characters or bidirectional overrides are read by the model and not by the person reviewing the file.
<!-- MCP Server Starter - Copilot Instructions --> What it actually says
Project Overview
This is an MCP (Model Context Protocol) server starter template built with TypeScript. Users can clone this repository and immediately start adding their own tools.
Project Structure
src/index.ts- Main entry point that initializes the MCP serversrc/tools/- Directory containing tool implementationssrc/resources/- Directory containing resource definitionssrc/prompts/- Directory containing prompt templates
Adding New Tools
- Create a new file in
src/tools/ - Export a function that registers tools with the server
- Import and call the function in
src/index.ts
Key Dependencies
@modelcontextprotocol/sdk- Official MCP SDKzod- Schema validation for tool parameters
Build Commands
npm run build- Build the TypeScript projectnpm run dev- Watch mode for developmentnpm run start- Run the built servernpm run inspector- Test with MCP Inspector
Important Notes
- Use
console.error()for logging (stdout is reserved for MCP protocol messages) - Tool names should be lowercase with underscores
- Always validate inputs using Zod schemas
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 · 31 lines · 263 tokens per session scan C a59fc7cbfefe
obsidian-mcp copilot-instructions.md is an instructions file published in the GitHub repository aniketbiswas/obsidian-mcp (0 stars, last pushed 7mo ago), licensed MIT. It adds 263 tokens to every session, about $0.0013 per session on Opus 5. A static security scan graded it C with 1 finding (hidden instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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