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Overview

What is Agent Tool?

Tool model

Specification

Contracts

Tool declaration

Tool interface

Tool surface

Input and output contracts

Execution profile

Execution pipeline

Hooks and input mutation

Permission profile

Permission decision

Invocation lifecycle

Concurrency and scheduling

Deferred loading and tool search

Progress and cancellation

Result envelope

Result persistence and rendering

Resource and artifact refs

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For implementors

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Shell command with sandbox

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Permission denied with retry

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Parallel read tools

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Agent standards ecosystem

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v0.1.1 Changelog

Added

Added Agent Context to the current Agent standards ecosystem map.
Refreshed README, LLM entrypoints, and version snapshots for Agent Context discovery.

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Draft standard for portable agent tool declarations, runtime interfaces, invocations, progress, results, permissions, scheduling, and audit refs.

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