Ruby MCP Client MCP Server

A Ruby client for the Model Context Protocol (MCP), enabling integration with external tools and services via a standardized protocol.

Local serverstdioPython

What is the Ruby MCP Client MCP Server?

A Ruby client for the Model Context Protocol (MCP), enabling integration with external tools and services via a standardized protocol.

What you get

MCP enables AI assistants to discover and invoke external tools via different transport mechanisms:

Configuration and credentials

Run bundle install first. The script preflight-checks the following and prints a warning (it does not abort) for anything missing; affected examples are then skipped or fail: - ruby, bundle, curl, lsof - on PATH - python3 (or $PYTHON) plus a separate python binary - on PATH - Python packages flask, fastmcp, mcp - importable by $PYTHON - npx (Node) - needed by the

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Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
ruby_anthropic_mcp.rbANTHROPIC_API_KEY (+ npx)
openai_ruby_mcp.rbOPENAI_API_KEY (+ npx)
gemini_ai_mcp.rba Vertex service-account JSON at VERTEX_CREDENTIALS_FILE (default examples/google-credentials.json, + npx)

How to install the Ruby MCP Client MCP Server

claude mcp add ruby-mcp-client --env OPENAI_API_KEY=your-value --env ANTHROPIC_API_KEY=your-value --env ZAPIER_MCP_TOKEN=your-value --env ZAPIER_MCP_URL=your-value --env MCP_SERVER_URL=your-value -- npx -y @modelcontextprotocol/server-filesystem

Configuration

Run bundle install first. The script preflight-checks the following and prints a warning (it does not abort) for anything missing; affected examples are then skipped or fail: - ruby, bundle, curl, lsof - on PATH - python3 (or $PYTHON) plus a separate python binary - on PATH - Python packages flask, fastmcp, mcp - importable by $PYTHON - npx (Node) - needed by the

VariableDescriptionRequired
OPENAI_API_KEYCredential the server authenticates with.Yes
ANTHROPIC_API_KEYCredential the server authenticates with.Yes
ZAPIER_MCP_TOKENCredential the server authenticates with.Yes
ZAPIER_MCP_URLEndpoint or connection string the server talks to.Yes
MCP_SERVER_URLEndpoint or connection string the server talks to.Yes

Example prompts to try

  • “Use Ruby MCP Client to ruby anthropic mcp.rb.”
  • “Use Ruby MCP Client to openai ruby mcp.rb.”
  • “Use Ruby MCP Client to gemini ai mcp.rb.”

Frequently asked questions

A Ruby client for the Model Context Protocol (MCP), enabling integration with external tools and services via a standardized protocol. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.