Expired50% confidenceFactExact time
Claude Code's Tool Schemas are defined using JSON Schema (currently at Draft 2020-12 standard) and include tools such as bash, edit, read, agent, and web fetch.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/30/2026(expired)
Sources
Deep Dive into How Claude Code Works: Prompt Assembly, Permission Control, and the Skills Mechanism
bilibili63号炼金工坊5/28/2026
Related Claims
UnverifiedThe schema for tool calls is essentially a JSON Schema specification that describes the tool name, parameter names, type constraints, and required fields.76% similarUnverifiedTools are essentially function wrappers for external capabilities, paired with JSON Schema descriptions that enable the model to understand a tool's functionality and parameter format.72% similarUnverifiedTool-calling standards have gradually coalesced into a de facto standard of describing tools with JSON Schema and passing call results via structured messages.72% similar
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