Model Context Protocol Guides

Context engineering routes system instructions, user tasks, retrieval, memory, tools, state and compacted history into an AI agent to produce grounded answers, completed tasks and lower context cost - XBSTACK

What Is Context Engineering? Reducing AI Agent Cost with Retrieval, Tool Search and Memory

Context engineering goes beyond prompt engineering. This guide combines Microsoft, Anthropic and Goo

Ai

2026-09-04

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10 min

MCP StreamableHTTPClientTransport request-scoped SSE disconnect leaving a JSON-RPC request pending until timeout - XBSTACK

MCP StreamableHTTPClientTransport POST Stays Pending After SSE Disconnect: Issue #2739 Reproduced

A v1 MCP StreamableHTTPClientTransport POST can remain pending until request timeout after request-s

Ai

2026-09-01

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6 min

MCP configuration security review for secrets, shell, remote MCP, and permissions - XBSTACK

How to Security-Check an MCP Configuration: Secrets, Shell, Remote MCP, and Permissions

Review MCP configuration for credential exposure, shell execution, remote MCP trust, permissions, lo

Ai

2026-08-31

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5 min

Read-only MCP Server preflight for protocol, Tools, Resources, and Prompts - XBSTACK

How to Test an MCP Server Before Production: Read-Only Inspector Preflight

Test an MCP Server before production with read-only server/discover and list checks for protocol ver

Ai

2026-08-31

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5 min

WebMCP on Chrome 149 with forms, tool schemas, and registerTool - XBSTACK

How to Add WebMCP to a Website: Chrome 149 Forms, Tool Schemas, and registerTool

Add WebMCP to a website with Chrome 149 declarative forms or document.modelContext.registerTool, the

Ai

2026-08-31

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4 min

OpenAI Zero Data Retention architecture for AI agents across Responses API, MCP, memory, audit and data residency - XBSTACK

OpenAI Zero Data Retention for AI Agents: Responses API, MCP and Data Boundaries

OpenAI Zero Data Retention does not make an AI agent stack stateless. This guide maps ZDR across Res

Ai

2026-08-20

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8 min

MCP 2026-07-28 stateless migration with cross-replica session failure and explicit handles - XBSTACK

MCP initialize Removed: How Do You Replace Mcp-Session-Id in a Remote Server?

Why was MCP initialize removed, and where should state live after Mcp-Session-Id disappears? A two-r

Ai

2026-07-28

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22 min

Diagram of the three-layer architecture of MCP, Function Calling, and API Gateway in AI Agent tool integration - XBSTACK

How to Configure MCP, Function Calling, and API Gateway: A Three-Layer Architecture for AI Agent Tool Integration

MCP, Function Calling, and API Gateway solve different layers of AI tool integration: model tool sel

Mcp

2026-07-07

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9 min

AI Agent Protocol and Framework Selection: How to Choose Between MCP, Function Calling, A2A, LangGraph, AutoGen, and CrewAI?

AI Agent Protocol and Framework Selection: A systematic overview of protocol and framework selection

Ai

2026-06-25

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12 min

MCP Server Production Governance: Remote Deployment, OAuth, Permission Boundaries, Observability, and Multi-User Isolation

MCP Server Production Governance: A comprehensive guide to the governance capabilities required for

Ai

2026-06-25

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11 min

MCP OAuth Authentication in Practice: Why Remote MCP Servers Can't Go Unprotected - XBSTACK

MCP 2026-07-28 OAuth: Protected Resource Metadata, CIMD, and Tool Authorization

MCP 2026-07-28 OAuth for Streamable HTTP: Protected Resource Metadata, Resource Indicators, issuer v

Ai

2026-06-09

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7 min

MCP Streamable HTTP in Practice: From Local stdio to a Remote MCP Server

Deploy MCP Streamable HTTP with the 2026-07-28 protocol and Python SDK, covering stateless requests,

Ai

2026-06-06

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5 min

MCP Filesystem Server in Practice: Enabling Claude / Cursor to Securely Read Local Files

Build a secure MCP Filesystem Server for Claude or Cursor with Roots, path allowlists, read-only too

Ai

2026-06-05

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6 min

MCP Server in Practice: 5 Steps and Pitfalls for Letting Claude Access Local SQLite

Build an MCP Server for a local SQLite database so Claude or Cursor can query private financial data

Ai

2026-06-05

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9 min

How to Fix MCP -32700 Parse Errors: Troubleshooting stdout, stdio, and "Tool list failed": MODEL CONTEXT PROTOCOL article cover - XBSTACK

MCP -32700 Parse Error: stdout Pollution, Tool List Failed, and Version Checks

Fix MCP -32700 Parse Error by separating stdout/stderr, malformed JSON, startup failures, SDK v2 mig

Ai

2026-06-04

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16 min

MCP Security Governance in Practice: Tool Scope, allowedRoots, Read-Only Accounts, and Audit Logs - XBSTACK

MCP 2026-07-28 Security: Tool Scope, allowedRoots, OAuth, and Audit

MCP 2026-07-28 security: per-request authorization, Tool Scope, server-enforced allowedRoots, OAuth/

Ai

2026-06-03

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14 min

How to Fix Truncated MCP Tool Call Results: A Deep Dive into Stdio Buffers and Semantic Compression: MODEL CONTEXT PROTOCOL article cover - XBSTACK

MCP Tool Call Result Truncated: Causes, Pagination, Cursors, and Size Limits

MCP Tool Call Result Truncated is not a universal 64KB limit. Diagnose client, SDK, context and time

Ai

2026-06-03

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5 min

MCP Resources vs Tools vs Prompts vs Roots: Secure File Access

MCP Resources vs Tools vs Prompts vs Roots: What is the difference between MCP Resources, Tools, Pro

Ai

2026-05-24

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10 min

What is the difference between MCP and Function Calling? Real-world project selection, API Gateway, and compositional architecture.

the difference between MCP and Function Calling: MCP vs. Function Calling: How to Choose? This artic

Dev

2026-05-24

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9 min

AI Lead Scoring Agent in Practice: Intent Recognition, Lead Scoring, CRM Routing, and Sales Feedback Loop

AI Lead Scoring Agent in Practice: A breakdown of production-grade design for an AI Lead Scoring Age

Ai

2026-05-15

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11 min

Practical AI Trading Agents: Market Monitoring, Strategy Backtesting, Risk Control, and Human-in-the-Loop Verification: FINANCE AUTOMATION article cover - XBSTACK

How to Build an AI Trading Agent with Risk Controls

Build an AI trading agent for market monitoring, backtesting, position limits, paper trading, and hu

Ai

2026-05-08

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11 min

The 2026 Full-Stack Guide to AI Agents: A Production Roadmap from Architecture and Tool Use to Evaluation and Deployment

The 2026 Full-Stack to AI Agents: The 2026 Full-Stack Guide to AI Agents: A comprehensive roadmap fo

Ai

2026-05-07

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9 min

MCP vs A2A vs Function Calling: AI Agent Protocol Selection and System Integration Guide

MCP vs A2A vs Function Calling: Deep dive into the architectural boundaries of MCP, A2A, Function Ca

Ai

2026-05-04

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13 min

AI Agents and the Future of Work (2026): A Practical Guide to the Evolution from Tools to Digital Partners

AI Agents and the Future of Work (2026): how autonomous agents reshape job design, individual levera

Ai

2026-04-24

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7 min

MCP From Protocol to Production

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Related Resources

What Is Context Engineering? Reducing AI Agent Cost with Retrieval, Tool Search and Memory

MCP StreamableHTTPClientTransport POST Stays Pending After SSE Disconnect: Issue #2739 Reproduced

How to Security-Check an MCP Configuration: Secrets, Shell, Remote MCP, and Permissions

How to Test an MCP Server Before Production: Read-Only Inspector Preflight

How to Add WebMCP to a Website: Chrome 149 Forms, Tool Schemas, and registerTool

OpenAI Zero Data Retention for AI Agents: Responses API, MCP and Data Boundaries

MCP initialize Removed: How Do You Replace Mcp-Session-Id in a Remote Server?

How to Configure MCP, Function Calling, and API Gateway: A Three-Layer Architecture for AI Agent Tool Integration

AI Agent Protocol and Framework Selection: How to Choose Between MCP, Function Calling, A2A, LangGraph, AutoGen, and CrewAI?

MCP Server Production Governance: Remote Deployment, OAuth, Permission Boundaries, Observability, and Multi-User Isolation

MCP 2026-07-28 OAuth: Protected Resource Metadata, CIMD, and Tool Authorization

MCP Streamable HTTP in Practice: From Local stdio to a Remote MCP Server

MCP Filesystem Server in Practice: Enabling Claude / Cursor to Securely Read Local Files

MCP Server in Practice: 5 Steps and Pitfalls for Letting Claude Access Local SQLite

MCP -32700 Parse Error: stdout Pollution, Tool List Failed, and Version Checks

MCP 2026-07-28 Security: Tool Scope, allowedRoots, OAuth, and Audit

MCP Tool Call Result Truncated: Causes, Pagination, Cursors, and Size Limits

MCP Resources vs Tools vs Prompts vs Roots: Secure File Access

What is the difference between MCP and Function Calling? Real-world project selection, API Gateway, and compositional architecture.

AI Lead Scoring Agent in Practice: Intent Recognition, Lead Scoring, CRM Routing, and Sales Feedback Loop

How to Build an AI Trading Agent with Risk Controls

The 2026 Full-Stack Guide to AI Agents: A Production Roadmap from Architecture and Tool Use to Evaluation and Deployment

MCP vs A2A vs Function Calling: AI Agent Protocol Selection and System Integration Guide

AI Agents and the Future of Work (2026): A Practical Guide to the Evolution from Tools to Digital Partners