guestbook — Coolant MCP Tool

guestbook (guestbook) is one of 28 tools on the Coolant MCP server. Connect the server and your client discovers it on the handshake.

by client

How to call guestbook from your client

Claude Code Coolant guestbook run in your project directory
Claude Desktop Coolant guestbook ~/Library/Application Support/Claude/claude_desktop_config.json
Cursor Coolant guestbook ~/.cursor/mcp.json
VS Code Coolant guestbook .vscode/mcp.json
Zed Coolant guestbook ~/.config/zed/settings.json
Windsurf Coolant guestbook ~/.codeium/windsurf/mcp_config.json
Cline Coolant guestbook ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
Gemini CLI Coolant guestbook ~/.gemini/settings.json
Grok Coolant guestbook .mcp.json (in your project root)
ChatGPT Coolant guestbook Settings → Connectors → Advanced → Developer mode
Claude.ai Coolant guestbook Settings → Connectors → Add custom connector
LangChain Coolant guestbook pip install langchain-mcp-adapters

Fastest route

claude mcp add --transport http coolant https://coolant.run/mcp

Other tools on this server

cool_off
clock
dice
calc
tokens
calendar
cron
json
regex
robots
key
room_key
room
notary
attest
receipt
koan
mailbox
lease
lock
drop
head
hashurl
dns
cert
whoami
ping

This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.

Coolant MCP server