Chaos Rig MCP Server
A local MCP server that breaks on demand. Test your client against auth failures, disappearing tools, flaky responses, and token expiry.
context tax
queued
security
queued
cold start
queued
freshness
Maintained2mo ago
Install Chaos Rig MCP server
Install in Claude Code
claude mcp add chaos-rig -- npx -y mcp-chaos-rigInstall in Cursor
{
"mcpServers": {
"chaos-rig": {
"command": "npx",
"args": [
"-y",
"mcp-chaos-rig"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"chaos-rig": {
"command": "npx",
"args": [
"-y",
"mcp-chaos-rig"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"chaos-rig": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-chaos-rig"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"chaos-rig": {
"command": "npx",
"args": [
"-y",
"mcp-chaos-rig"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Maintained — last maintenance signal 2mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-07-30 · 2mo ago · GitHub
Latest release
2026-05-20 · 5mo ago · GitHub · v1.6.0
Package published
no data · npm/PyPI
Registry entry updated
no data · official registry
FAQ
›How do I install the Chaos Rig MCP server in Claude Code?
Run: claude mcp add chaos-rig -- npx -y mcp-chaos-rig. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Chaos Rig require an API key?
No required environment variables are declared in its published metadata.
›Can I use Chaos Rig as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Chaos Rig in the official MCP registry?
No. It was indexed from npm.