What is inavi-mcp CLAUDE.md?

Repository-specific instructions for inavi-mcp, a TypeScript Model Context Protocol server that connects AI assistants to iNavi Maps. It provides map-visualisation examples and iNavi API specifications through a standard input/output connection.

Use it when developing, building, testing, or reviewing the server, including its map visualisation templates, API reference tools, strict TypeScript code, and Vitest tests.

It tells a coding agent how this map server works, which transport and validation tools it uses, and which commands run or test it.

How inavi-systems/inavi-mcp configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to inavi-systems/inavi-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/inavi-systems/inavi-mcp/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/inavi-systems/inavi-mcp

Made for: Claude Code.

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/inavi-systems/inavi-mcp/claude-md/github.svg)](https://agentmods.dev/instructions/inavi-systems/inavi-mcp/claude-md)

Your own site

<a href="https://agentmods.dev/instructions/inavi-systems/inavi-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/inavi-systems/inavi-mcp/claude-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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/inavi-systems/inavi-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/inavi-systems/inavi-mcp/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 1,151 This file is loaded in full into every session.

When invoked 1,151 The same file — it is already loaded in full.

Security scan A 0 findings. 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.

Model	Per session	Once invoked
Fable 5.1	$0.01151	$0.01151
Opus 5	$0.00575	$0.00575
Sonnet 5	$0.00230	$0.00230
Haiku 4.5	$0.00115	$0.00115

Measured 8d ago against content hash 5c436d9dedb1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

inavi-mcp CLAUDE.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 8d 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.

CLAUDE.md · 126 lines

How it starts

The opening of the file, as written. The whole thing — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

This is a TypeScript MCP (Model Context Protocol) server that integrates with iNavi Maps API. It communicates with MCP Hosts (Claude Desktop, Cursor, etc.) via stdio transport (not HTTP), providing map visualization tools and API specifications.

Project Purpose: Enable AI assistants to work with geospatial data and visualize results on interactive maps through:

HTML Example Tools: Code templates for custom map visualizations
API Spec Tools: iNavi Maps API specifications for reference

Key Technology Stack:

TypeScript with strict type checking
MCP SDK (@modelcontextprotocol/sdk) for MCP Host integration
Zod for runtime validation
stdio transport (no Express/HTTP server needed for MCP functionality)

Common Commands

Development

npm run dev          # Development mode with hot reload
npm run build        # Compile TypeScript to JavaScript
npm start            # Run compiled server

Testing

npm test             # Run all tests with Vitest
npm run test:ui      # Run tests with Vitest UI
npm run test:coverage # Run tests with coverage report
npm run test:watch   # Run tests in watch mode

Code Quality

npm run lint         # Check code style
npm run lint:fix     # Auto-fix linting issues
npm run format       # Format code with Prettier
npm run format:check # Check formatting
npm run type-check   # TypeScript type checking without emit

API Docs

npm run update-api-docs   # Update API documentation
npm run validate-api-docs # Validate API documentation

Release

npm run release        # Patch release
npm run release:minor  # Minor release
npm run release:major  # Major release

Architecture

MCP Server Pattern

This project uses stdio-based MCP architecture, NOT a traditional web server:

server.ts - Entry point, creates McpServer instance and registers tools via stdio transport
tools/ - MCP tool definitions with Zod schemas
config/ - Environment configuration with Zod validation
utils/ - Shared utilities (logger, etc.)

Read the full file on GitHub · 126 lines

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.

8d ago First seen · 126 lines · 1,151 tokens per session scan A 5c436d9dedb1

Subscribe to this mod's changes

inavi-mcp CLAUDE.md is an instructions file published in the GitHub repository inavi-systems/inavi-mcp (0 stars, last pushed 1mo ago), licensed MIT. It adds 1,151 tokens to every session, about $0.0058 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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inavi-mcp: Instructions file for Claude Code