WebMCP

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AbstractThe WebMCP API enables web applications to provide JavaScript-based tools to AI agents.Status of this documentTable of Contents1 Introduction2 Terminology3 Security and privacy considerations4 Accessibility considerations5 API5.1 Extensions to the Navigator Interface5.2 ModelContext Interface5.2.1 ModelContextOptions Dictionary5.2.2 ModelContextTool Dictionary5.2.3 ModelContextClient Interface6 Acknowledgements Index Terms defined by this specification Terms defined by reference References Normative References IDL IndexIndexTerms defined by this specificationagent, in § 2AI platform, in § 2annotations, in § 5.2.2browser’s agent, in § 2clearContext(), in § 5.2description, in § 5.2.2execute, in § 5.2.2inputSchema, in § 5.2.2ModelContext, in § 5.2modelContext, in § 5.1ModelContextClient, in § 5.2.3ModelContextOptions, in § 5.2.1ModelContextTool, in § 5.2.2name, in § 5.2.2provideContext(), in § 5.2provideContext(options), in § 5.2readOnlyHint, in § 5.2.2registerT…