obsidian-mcp: Instructions file for GitHub Copilot

.github/copilot-instructions.md

obsidian-mcp copilot-instructions.md is an instructions file for GitHub Copilot from aniketbiswas/obsidian-mcp. It costs 263 tokens per session, scanned C, original, MIT.

A set of project instructions for building an MCP server in TypeScript. MCP, or Model Context Protocol, is a way for applications to provide tools and data to AI assistants.

In plain words
What is it for?
Use it when adding tools, resources, or prompts to the server, validating inputs with Zod, building the project, running it, or inspecting it during development.
Why use it?
It gives contributors a shared map of the project, its files, dependencies, validation rules, and build commands. This reduces guesswork when adding or testing tools.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file.

This is aniketbiswas/obsidian-mcp's own configuration. It tells GitHub Copilot how to work on obsidian-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything obsidian-mcp configures →

Reuse

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.

Copy the file
curl -O https://raw.githubusercontent.com/aniketbiswas/obsidian-mcp/main/.github/copilot-instructions.md
Clone the repo
git clone --depth 1 https://github.com/aniketbiswas/obsidian-mcp

Made for: GitHub Copilot.

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 obsidian-mcp copilot-instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/aniketbiswas/obsidian-mcp/copilot-instructions.svg)](https://agentmods.dev/instructions/aniketbiswas/obsidian-mcp/copilot-instructions)
Your own site
<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>
Per session 263 This file is loaded in full into every session.
When invoked 263 The same file — it is already loaded in full.
Security scan C 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00263 $0.00263
Opus 5 $0.00131 $0.00131
Sonnet 5 $0.00053 $0.00053
Haiku 4.5 $0.00026 $0.00026

Measured 7d ago against content hash a59fc7cbfefe, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

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 -->
.github/copilot-instructions.md · 31 lines

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 server
  • src/tools/ - Directory containing tool implementations
  • src/resources/ - Directory containing resource definitions
  • src/prompts/ - Directory containing prompt templates

Adding New Tools

  1. Create a new file in src/tools/
  2. Export a function that registers tools with the server
  3. Import and call the function in src/index.ts

Key Dependencies

  • @modelcontextprotocol/sdk - Official MCP SDK
  • zod - Schema validation for tool parameters

Build Commands

  • npm run build - Build the TypeScript project
  • npm run dev - Watch mode for development
  • npm run start - Run the built server
  • npm 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
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. 7d ago First seen · 31 lines · 263 tokens per session scan C a59fc7cbfefe

Subscribe to this mod's changes

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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