MCP Wait Server

@Amico1285

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About MCP Wait Server

MCP Server to allow AI models to wait

#mcp-wait-server #ai #mcp

Config

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Overview

What is MCP Wait Server?

A simple Model Context Protocol server that provides two time-related tools for AI assistants like Claude Desktop: a wait tool to pause execution for a specified number of seconds, and a get_datetime tool to return the current date and time in ISO 8601 format.

How to use MCP Wait Server?

Install via npx (recommended, no installation needed), npm global install, or clone and build from source. Configure the server in your Claude Desktop config file (~/.anthropic/config.json on macOS/Linux, %APPDATA%\anthropic\config.json on Windows) using the command "npx mcp-wait-server@latest" and optional environment variables for maximum wait duration and tool description. Restart Claude Desktop to make the tools available.

Key features of MCP Wait Server

Wait tool pauses execution for a configurable number of seconds
Get datetime tool returns current UTC time in ISO 8601 format
Maximum wait duration configurable via MCP_WAIT_MAX_DURATION_SECONDS (default 210 seconds)
Customizable tool description via MCP_WAIT_TOOL_DESCRIPTION
Written in TypeScript and runs on Node.js 18+
Supports zero-install usage with npx

Use cases of MCP Wait Server

Waiting for long-running scripts or processes to complete
Adding delays between API calls to avoid rate limits
Allowing time for downloads or uploads before checking status
Timestamping operations and logging with accurate timestamps
Time-based decision making and scheduling

FAQ from MCP Wait Server

What tools does MCP Wait Server provide?

It provides two tools: wait (pauses for a specified number of seconds) and get_datetime (returns the current date and time in ISO 8601 format).

What are the runtime requirements?

Node.js 18 or newer is required to build and run the server.

What is the maximum wait duration?

The default maximum single wait duration is 210 seconds, which can be changed by setting the MCP_WAIT_MAX_DURATION_SECONDS environment variable.

How do I configure MCP Wait Server in Claude Desktop?

Add an entry to your Claude Desktop config.json with the command (e.g., "npx mcp-wait-server@latest") and any desired environment variables like MCP_WAIT_MAX_DURATION_SECONDS and MCP_WAIT_TOOL_DESCRIPTION.

Does the server handle waits longer than the maximum?

Yes. For durations exceeding the maximum, the wait tool instructs Claude to call it again with the remaining time, effectively breaking the wait into multiple steps.

Frequently asked questions

What tools does MCP Wait Server provide?

It provides two tools: `wait` (pauses for a specified number of seconds) and `get_datetime` (returns the current date and time in ISO 8601 format).

What are the runtime requirements?

Node.js 18 or newer is required to build and run the server.

What is the maximum wait duration?

The default maximum single wait duration is 210 seconds, which can be changed by setting the `MCP_WAIT_MAX_DURATION_SECONDS` environment variable.

How do I configure MCP Wait Server in Claude Desktop?

Add an entry to your Claude Desktop `config.json` with the command (e.g., `"npx mcp-wait-server@latest"`) and any desired environment variables like `MCP_WAIT_MAX_DURATION_SECONDS` and `MCP_WAIT_TOOL_DESCRIPTION`.

Does the server handle waits longer than the maximum?

Yes. For durations exceeding the maximum, the wait tool instructs Claude to call it again with the remaining time, effectively breaking the wait into multiple steps.