VectorMCP MCP Server

@sergiobayona

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基本信息

分类

记忆与知识

许可证

MIT

传输方式

stdio

作者

sergiobayona

关于 VectorMCP MCP Server

A server implementation for the Model Context Protocol (MCP) in Ruby.

#ruby-gem#mcp #model-context-protocol #mcp-servers #mcp-server #model-context-protocol-servers #mcp-sdk#model-context-protocol-sdk

VectorMCP MCP Server 配置

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代码仓库

VectorMCP MCP Server 工具

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概览

What is VectorMCP?

VectorMCP is a Ruby implementation of the Model Context Protocol (MCP) server-side specification. It provides a framework for exposing tools, resources, prompts, roots, sampling, middleware, and security over the MCP streamable HTTP transport.

How to use VectorMCP?

Install the gem (gem install vector_mcp), create a VectorMCP::Server, register tools (using either the class-based VectorMCP::Tool DSL or the block-based register_tool API), and call server.run(port: 8080). Optionally mount the server in a Rack or Rails app via server.rack_app.

Key features of VectorMCP

Streamable HTTP transport with session management and resumability
Class-based tools via VectorMCP::Tool and block-based register_tool API
Rack and Rails mounting through server.rack_app
Opt-in authentication, authorization, and middleware hooks
Image-aware tools, resources, and prompts; roots and server-initiated sampling
Token-based field anonymization middleware for sensitive data

Use cases of VectorMCP

Build a custom MCP server to expose business tools to LLM clients
Integrate MCP endpoints into an existing Ruby on Rails application
Create a secure, authenticated API for AI-driven tool invocation
Implement a compliant MCP server with streaming and session support

常见问题

What runtime dependencies does VectorMCP require?

Ruby 3.2 or later is required. The gem has no other mandatory runtime dependencies beyond the Ruby standard library.

What transport does VectorMCP use?

VectorMCP ships with streamable HTTP as its built-in transport. It supports `POST /mcp` for JSON-RPC, `GET /mcp` for SSE streams, and `DELETE /mcp` for session termination.

How does authentication work in VectorMCP?

Authentication is opt-in. You can enable API key authentication or a custom strategy. For OAuth 2.1 (RFC 9728) support, provide a `resource_metadata_url:` to enable automatic discovery and the OAuth dance.

Can I use VectorMCP with Rails?

Yes. VectorMCP provides a `VectorMCP::Rails::Tool` base class for ActiveRecord-backed tools and a full guide for mounting the server in `config/routes.rb`.