Nbility Blog

Articles about AI Agents, model APIs, developer-tool integration, and Nbility workflows.

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#AI Agent

Jul 19, 2026MCPA2A

MCP vs A2A: One Connects Tools, the Other Connects Agents

MCP and A2A are both agent protocols, but they solve different problems. Compare tool invocation with agent delegation using the same refund workflow, Agent Cards, Tasks, Artifacts, transports, and security boundaries.

Jul 19, 2026MCPModel Context Protocol

What Is MCP? Host, Client, and Server Explained with a Real Tool Call

MCP is not a model API or merely a plugin system. Follow a real order lookup to understand MCP hosts, clients, servers, JSON-RPC, stdio, and Streamable HTTP.

Jul 17, 2026Context Length ExceededContext Window

How to Fix Context Length Exceeded: Token Budgets, Trimming, and Compaction

Fix context length exceeded errors by budgeting input and output tokens, trimming messages safely, summarizing history, limiting RAG and tool results, and compacting agent state.

May 26, 2026QQ BotOneBot

Advanced QQ Group AI Bot: Summaries, Image Generation, and Status Page Screenshots

A practical engineering guide for building a maintainable QQ group AI bot with NapCat, OneBot v11, NoneBot2, model APIs, daily summaries, image generation, status screenshots, rate limits, and troubleshooting.

May 26, 2026WeChatAI Agent

Building a WeChat Group AI Assistant: Q&A, Summaries, and Image Generation

Article 17 in the AI Agent hands-on series: design a WeChat group AI assistant with group Q&A, scheduled summaries, image generation, permissions, logs, and cost control.

May 25, 2026AI AgentToken

Why Do AI Agents Use More Tokens Than Normal Chat? A Beginner Cost Guide

Part 6 of the AI Agent Getting Started series: explain where Agent token usage comes from—planning, tool calls, context, search, image generation, retries, and multi-agent workflows—and how to control cost with model routing, budgets, rate limits, and Nbility.

May 25, 2026OpenClawAI Agent

Nbility Blog

All posts

MCP vs A2A: One Connects Tools, the Other Connects Agents

What Is MCP? Host, Client, and Server Explained with a Real Tool Call

How to Fix Context Length Exceeded: Token Budgets, Trimming, and Compaction

Advanced QQ Group AI Bot: Summaries, Image Generation, and Status Page Screenshots

Building a WeChat Group AI Assistant: Q&A, Summaries, and Image Generation

Why Do AI Agents Use More Tokens Than Normal Chat? A Beginner Cost Guide

OpenClaw Deployment Guide: Run a 24/7 AI Agent on Your Server

Connect Hermes Agent to Telegram: Turn Your Server-Side AI Agent into a Mobile Remote Assistant

Connect Hermes Agent to Nbility: Use a Smoother OpenAI-Compatible Model API Entry

Deploy an AI Agent to Your Own Server in Two Hours: A Hermes Agent Getting Started Guide