Publisher portfolio

j0hanz

io.github.j0hanz Verified namespace

Explore the MCP servers published by j0hanz, with independent connection checks, performance measurements, and setup instructions for each project.

Active projects in this portfolio. Deleted and deprecated registry rows are excluded.

Active servers with a recorded connection probe

Latest stored probe connected. This is not a live guarantee.

Distinct source repositories linked by the active listings

Portfolio overview

MCP servers

Compare connection status and measurements. Open a server for its tools, check results, and client configuration.

Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capability	Last probe	Median latency	Checks passed	Last checked
Filesystem MCP j0hanz Filesystem MCP server for AI assistants. Developer Tools File & docs	Not measured	Not measured	4 / 6	Not checked yet
io.github.j0hanz/superfetch j0hanz Intelligent web content fetcher MCP server that converts HTML to clean, AI-readable JSONL format Developer Tools Code & DevOps	Not measured	Not measured	3 / 6	Not checked yet
Code Assistant j0hanz Gemini-powered MCP server for code analysis. Developer Tools Code & DevOps	Not measured	Not measured	3 / 6	Not checked yet
Code Lens j0hanz Gemini-powered MCP server for code analysis. Developer Tools Code & DevOps	Not measured	Not measured	3 / 6	Not checked yet
Code Review Analyst j0hanz Gemini-powered MCP server for code review analysis. Developer Tools Code & DevOps	Not measured	Not measured	3 / 6	Not checked yet
Cortex MCP — Multi-Level Reasoning Server j0hanz Multi-level reasoning MCP server with configurable depth levels Developer Tools Code & DevOps	Not measured	Not measured	3 / 6	Not checked yet
Fetch URL MCP Server j0hanz An MCP server that fetches web pages and converts them to clean, readable Markdown. Developer Tools File & docs	Not measured	Not measured	3 / 6	Not checked yet
Memory MCP Server j0hanz SQLite-backed MCP server for persistent memory, full-text retrieval, and graph traversal. Developer Tools Database	Not measured	Not measured	3 / 6	Not checked yet

Company & identity

j0hanz publishes MCP servers under the io.github.j0hanz namespace. This namespace is associated with a GitHub login in the MCP Registry.

Namespace verification connects the publisher to its registry identity. It does not certify the security of individual servers.