Expired50% confidenceFactExact time
The declarative API only requires adding a tool name attribute to a standard HTML form, allowing the form to become an AI-callable tool without refactoring code.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/21/2026
First Seen
Valid until: 10/19/2026(expired)
Sources
Related Claims
VerifiedWebMCP provides two implementation approaches—a declarative API and an imperative API—where the declarative API is implemented by adding tool-name and tool-description attributes to HTML form elements.79% similarUnverifiedThe Prompt API uses JSON Schema's enum constraint on the tags field in conjunction with structured output to ensure that model output can only come from a predefined set of valid tags.68% similarUnverifiedBy modifying the base_url and API Key, client-side tools can switch backend models without changing any business logic code.66% similarUnverifiedAnthropic's Tool Use specification requires clients to declare available tools to the model in JSON Schema format; the model triggers calls via tool_use content blocks, and results are returned in the form of tool_result.65% similarUnverifiedBy having web pages proactively define tool boundaries through WebMCP, AI can only call the functional interfaces explicitly authorized by the website rather than arbitrarily operating any page element, providing structural safeguards for security.64% similar
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