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Achievements

Achievement: Pair Extraordinairex2Achievement: StarstruckAchievement: Pull Sharkx3Achievement: YOLOAchievement: Quickdraw

Achievements

Achievement: Pair Extraordinairex2Achievement: StarstruckAchievement: Pull Sharkx3Achievement: YOLOAchievement: Quickdraw

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j0hanz/README.md

Hi, I'm Linus Johansson

I build tools for AI-assisted development, alongside web apps and GIS integrations. Much of my recent work is on plugins, skills, and MCP servers that help coding assistants work with real projects.

Portfolio LinkedIn npm

My plugin marketplace

My marketplace brings together plugins for Claude Code and GitHub Copilot CLI. Explore the current catalog and installation instructions on the marketplace website or in the repository.

Explore the marketplace Marketplace repository

More AI tools I've built

My Model Context Protocol (MCP) servers give AI assistants tools for working with files, web content, memory, and code.

Project What it does
Filesystem MCP Directory-scoped file access, search, editing, diffs, and patches.
Fetch URL MCP Converts public web pages into clean Markdown.
Memory MCP Persistent memory with full-text search and relationships between entries.
Code Lens Gemini-powered code review, analysis, and documentation.
Cortex MCP Session-based reasoning with configurable depth and inspectable traces.
Todokit MCP Local task management with persistent JSON storage.

Other projects:

  • Fetch URL — a web app for previewing, copying, and downloading pages as Markdown.
  • Squads — multi-agent workflows for Claude Code.

Web and GIS work

I work with TypeScript, JavaScript, React, Next.js, Node.js, Python, and Django.

My ArcGIS Experience Builder widgets cover:

Pinned Loading

  1. fme-export-widget fme-export-widget Public

    FME Flow widget for ArcGIS Experience Builder with AOI drawing, dynamic workspace forms, and sync or async data delivery.

    TypeScript 1 2

  2. filesystem-mcp filesystem-mcp Public

    Filesystem MCP server for AI assistants. Search, read, edit, and manage local files in directories you choose.

    TypeScript 24 6

  3. fetch-url-mcp fetch-url-mcp Public

    A web content fetcher MCP server that converts HTML to clean, AI and human readable markdown.

    TypeScript

  4. code-lens code-lens Public

    Gemini-powered MCP server for code analysis.

    TypeScript

  5. cortex-mcp cortex-mcp Public

    Multi-level reasoning MCP server with configurable depth levels.

    TypeScript 1

  6. fetch-url fetch-url Public

    Next.js web app for converting public web pages into clean Markdown with live progress, preview, copy, and download.

    TypeScript 1