Capability & Tooling

how agents invoke tools and data

3 of 28 The Agent Protocol Atlas

• MCP The USB-C of agent tooling: a single JSON-RPC interface for connecting any agent to any tool, data source, or service.
• WebMCP MCP for the browser: a web page registers callable tools on document.modelContext so a visiting agent invokes functions instead of clicking pixels.
• OASF A standardized schema for describing AI agents — their capabilities, metadata and relationships — so agents can be discovered and understood across platforms; the 'DNS for agents' within AGNTCY.

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