HTTP 426 upgrade-required MCP server

Meaning of HTTP 426.

Category: Dev tools

● Online, checked 363 min ago · 142 ms

Source: official MCP Registry entry io.github.sadri-dridi/http-426 · repository

Direct MCP URL and setup

CLAUDE CODE

claude mcp add --transport http io-github-sadri-dridi-http-426 https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-426/mcp

CURSOR / VS CODE (mcp.json)

{ "mcpServers": { "io-github-sadri-dridi-http-426": { "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-426/mcp" } } }