MCPConnectA Delphi MCP Server Library

A powerful, attribute-driven framework for building Model Context Protocol (MCP) Servers in Delphi.

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Attribute-Driven Development

Expose existing Delphi classes as MCP tools, resources, and prompts with a single attribute. No complex inheritance, no boilerplate. The framework handles routing, serialization, and JSON Schema generation automatically.

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Multi-Transport & Session Management

Built-in support for HTTP (WebBroker, Indy) and STDIO transports. Thread-safe stateful sessions are injected automatically via attributes, with configurable timeout, automatic cleanup, and support for both generic JSON and fully typed custom session classes.

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Type-Safe JSON-RPC Engine

Powered by an integrated, high-performance JSON-RPC 2.0 library (JRPC) built specifically for Delphi. Supports virtually every Delphi type as tool parameter or result through Neon serialization, with full protocol compliance and API-key authentication for HTTP transport.