add
sums two numbers (v2 accepts an array)
How to use it
Project documentation lists add for the MCP Chaos Rig MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), then check which tools your installed version makes available. Tool availability can depend on configuration and credentials. A server handshake does not verify this tool’s behavior. See the full listing for setup details.
Install MCP Chaos Rig
npx mcp-chaos-rigOther tools in MCP Chaos Rig (7)
files a billing dispute, returns a JSON receipt
returns your message (v2 adds format options)
current server time as ISO 8601
, get-contact-by-id, get-contact-by-email, search-contacts, create-contact, update-contact, delete-contact: SQLite CRUD
random integer in a range
reverses a string
echoes one optional parameter per JSON Schema primitive, to check a client round-trips every type