MCP Servers / development / MCP Chaos Rig

MCP Chaos Rig

ssenone★ 10development

A local MCP server that breaks on demand. Test your client against auth failures, disappearing tools, flaky responses, and token expiry, all from a web UI.

github ↗

Install

How to run this server

[ { "cmd": "npx mcp-chaos-rig", "imports": [] } ]

server path: mcp-chaos-rig

Tools

What this server exposes

echo

returns your message (v2 adds format options)

add

sums two numbers (v2 accepts an array)

get-time

current server time as ISO 8601

random-number

random integer in a range

reverse

reverses a string

list-contacts

SQLite CRUD

search-contacts

SQLite CRUD

create-contact

SQLite CRUD

update-contact

SQLite CRUD

delete-contact

SQLite CRUD

Configuration

Environment & auth

authnone

envBASE_URL

Resources

githubhttps://github.com/Typewise/mcp-chaos-rig ↗