This page may contain stale information. Last updated: 2026-06-28

Definition

GB/Z 185 is China’s seven-part national standardization guidance series for AI agent interoperability, approved May 22, 2026 by samr/SAC (Announcement No. 22). Voluntary GB/Z guidance — not mandatory GB — but may become de facto binding via state procurement.

Seven Parts

  1. 185.1 — Overall Architecture (CESI, Fan Kefeng)
  2. 185.2 — Identity Code (BUPT, Liu Jun)
  3. 185.3 — Identity Management (CESI, Zhang Shizong)
  4. 185.4 — Agent Description (CESI, Xu Yang)
  5. 185.5 — Agent Discovery (CESI, Dong Jian)
  6. 185.6 — Agent Interaction (BUPT, Li Ke)
  7. 185.7 — Agent Tool Invocation (CESI, Zhang Shizong)

Key Points

  • Closed loop: identity → description → discovery → interaction → tool invocation
  • Contributors: 70+ orgs (Xiaomi, Lenovo, Volcano Engine, Kuaishou); 600+ public comments
  • Pilot: Haidian district, Beijing
  • Roadmap: Identity code may convert to mandatory GB; agent audit/transaction standards planned

Geopolitical Context

Parallel national “rail system” to model-context-protocol and agent2agent-protocol in us-china-ai-competition.

Sources