JSON-RPC

Assess

Tools

A remote procedure call protocol encoded in JSON.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by framework updates, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

6OpenAI Blog·2/4/2026framework_update
How OpenAI Built the Codex App Server
OpenAI describes the Codex App Server, a bidirectional JSON-RPC API used to embed the Codex agent in applications. The server supports streaming progress, tool invocation, approval flows, and diff-based updates for agent-driven coding workflows.