servers

Model Context Protocol Servers

24 articles

MCP Roots Protocol Constraints: Security and Validation Rules Explained

Understand MCP roots protocol constraints. Discover how directory lists replace allow lists, validate URIs, and support dynamic updates for modelcontextprotocol/servers.

deep-dive

Mar 1, 2026

How to Create Custom Zod Schemas for Tool Input Validation in MCP

Learn to create custom Zod schemas for tool input validation in MCP. Define schemas, attach them to inputSchema, and parse arguments for type-safe execution in handlers.

how-to-guide

Mar 1, 2026

How the MCP Filesystem Server Handles Symlinks on macOS

Discover how the MCP Filesystem server securely handles symlinks on macOS. It resolves paths and validates directories to prevent attacks, ensuring safe access for macOS users.

internals

Mar 1, 2026

How to Write Tests for MCP Server Tools: A Complete Guide

Learn how to write tests for MCP server tools by mocking McpServer, capturing handlers, and invoking them with JSON inputs to check return structures. A complete guide.

how-to-guide

Mar 1, 2026

Entities and Observations in MCP Knowledge Graph: Key Differences and Usage

Understand the core differences between entities and observations in the MCP knowledge graph. Learn how these components structure and store vital information within the Model Context Protocol.

deep-dive

Mar 1, 2026

How to Configure Environment Variables for MCP Servers: A Complete Guide

Learn how to configure environment variables for MCP servers. Customize file paths, ports, and behavior using process.env with VS Code, Docker, or CLI.

how-to-guide

Mar 1, 2026

How to Implement Subscriptions for Real-Time Updates in MCP

Learn to implement real-time subscriptions in Model Context Protocol MCP servers. Register RPC handlers, track sessions, and push update notifications for instant data synchronization. Explore the repository for code examples.

how-to-guide

Mar 1, 2026

MCP Protocol Specification for Tools and Resources: A Complete Implementation Guide

Explore the MCP protocol specification, a JSON-RPC contract for LLM clients to discover invoke and stream data from server tools and resources. Learn implementation details.

api-reference

Mar 1, 2026

How KnowledgeGraphManager Loads and Saves the Graph in the MCP Memory Server

Learn how KnowledgeGraphManager loads and saves graphs in the MCP Memory Server using JSON Lines for efficient, on-demand data management and atomic saves.

internals

Mar 1, 2026

How to Use Glob Patterns for File Searching in the MCP Filesystem Server

Learn to use glob patterns for file searching in the MCP Filesystem server with the search_files tool. Efficiently find files using minimatch recursive matching.

how-to-guide

Mar 1, 2026

How the MCP Memory Server Handles Backward Compatibility Migration

Discover how the MCP Memory server seamlessly handles backward compatibility migration, automatically converting legacy memory json files to the modern jsonl format on startup with zero manual effort.

migration-guide

Mar 1, 2026

SSE vs Streamable HTTP in MCP: Key Differences and Implementation Guide

Understand SSE vs Streamable HTTP in MCP. Discover key differences in streaming, endpoints, and session management. Implement MCP efficiently with this guide.

deep-dive

Mar 1, 2026

Have a question about this repo?

These articles cover the highlights, but your codebase questions are specific. Give your agent direct access to the source. Share this with your agent to get started:

Share the following with your agent to get started:

curl -s "https://instagit.com/install.md"

Add to your MCP client configuration:

{
  "mcpServers": {
    "instagit": {
      "command": "npx",
      "args": ["-y", "instagit@latest"]
    }
  }
}

Ask your agent:

"Use Instagit MCP to understand how modelcontextprotocol/servers works."

Works with

Claude Codex Cursor VS Code OpenClaw Any MCP Client

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