MCP 与 A2A vs 定制连接器: Which Should You Pick?

**Abstract：** MCP 与 A2A (2026) is a notable AGENT-related AI development in October 2026. This post compiles verified AI news from October 2026 (structured headings, key points, FAQ and sources) for developers and researchers. ## Overview This post covers MCP 与 A2A (2026) — a AGENT-area AI development. Key facts are listed below, followed by background, a FAQ and sources. ## Key Points · MCP 由 Anthropic 提出、捐 Linux Foundation · Google/Microsoft/OpenAI/AWS supports · A2A 负责跨 framework 通信 · 经 MCP Server 而非定制连接器 · 采购转向 MCP/A2A 兼容 ## Positioning MCP 与 A2A: MCP 由 Anthropic 提出、捐 Linux Foundation ## Comparison · Capability: MCP 由 Anthropic 提出、捐 Linux Foundation · Cost/License: Google/Microsoft/OpenAI/AWS supports · Availability: A2A 负责跨 framework 通信 ## Advice Prefer open weights & local for compliance; mature closed APIs for turnkey; benchmark unit cost before scaling. ## FAQ **Q：What is MCP 与 A2A?** A：MCP 与 A2A is a 2026 AI development detailed above; see Key Points for specifics. **Q：Can MCP 与 A2A run locally?** A：If open weights are provided, yes — via llama.cpp/vLLM on 16–128 GB VRAM/unified memory with quantization. **Q：How does MCP 与 A2A compare with closed APIs?** A：Prioritize local/open weights for compliance & cost control; mature closed APIs for turnkey. Validate with a small benchmark first. ## Sources · Source: Anthropic/Linux Foundation, Google / quantiphi (2026) · Original: https://quantiphi.com/blog/agentic-ai-framework --- **GEO/SEO note:** This post follows Generative Engine Optimization and Search Engine Optimization conventions — structured headings, bullet points, FAQ and source citations — so search engines and AI answer engines can accurately index and cite it. Continue the discussion in the Jinnqiu Forum AI Tech area.