The safeguards map / 3.2 Agent harnesses

Pydantic AI

Pydantic Services Inc. (company). No foundation, released. MIT. Mapped; as of 20 Oct 2026.

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A Python agent framework whose deferred tools let a tool call wait for approval from a person or a handler before it runs.

Homepage / Repository

Where it sits

3.2 Agent harnesses (primary): Marks tools as requiring approval so a call is deferred and then approved or denied by a person or a developer-written handler before the tool runs.

it may need to be approved by the user first
captured 20 Oct 2026

@agent.tool_plain(requires_approval=True)
captured 20 Oct 2026

Facts

Concern: safetysecurity
Names the law: no
Subject: agent
Used by: those who make it
Runs: at runtime
Policy comes from: owner-entered settings
Can the agent bypass it: depends

Handoffs

produces Runtime records: OpenTelemetry traces (GenAI semantic conventions)

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