https://gibbok.github.io/myvar/tags/json-rpc/Recent content in Json-Rpc on MyVar.devHugoen-USTue, 11 Aug 2026 21:00:24 +0000https://gibbok.github.io/myvar/model-context-protocol/model-context-protocol-mcp-technical-overview/Tue, 11 Aug 2026 21:00:24 +0000https://gibbok.github.io/myvar/model-context-protocol/model-context-protocol-mcp-technical-overview/<h2 id="overview">Overview</h2> <p>The Model Context Protocol (MCP) is an open, JSON-RPC 2.0-based standard that connects Large Language Model (LLM) applications with external data sources, context, and execution tools. Inspired by the Language Server Protocol (LSP), MCP provides a unified architecture for building composable integrations across the AI ecosystem.</p> <h2 id="key-insights">Key Insights</h2> <ul> <li><strong>Decoupled Architecture:</strong> Standardizes communication between LLM host applications, internal clients, and external capability servers.</li> <li><strong>Stateless JSON-RPC Foundation:</strong> Utilizes JSON-RPC 2.0 for stateless, self-contained messaging with per-request capability negotiation.</li> <li><strong>Bi-Directional Capabilities:</strong> Allows servers to supply context and tools while enabling clients to handle server-initiated input requests.</li> <li><strong>Extensible Ecosystem:</strong> Supports opt-in extensions for asynchronous tasks, agent skills, and rich UI rendering.</li> <li><strong>Security-First Model:</strong> Defines strict user-consent standards for arbitrary code execution and data access, treating unverified tool descriptions as untrusted.</li> </ul> <h2 id="technical-details">Technical Details</h2> <h3 id="architecture-and-roles">Architecture and Roles</h3> <p>MCP establishes standardized communication across three distinct entities using <strong>JSON-RPC 2.0</strong>:</p>