Comparison
Model Context Protocol vs WebMCP
Model Context Protocol and WebMCP are Protocols listings set side by side. Model Context Protocol is live. WebMCP is beta. Open protocol that connects LLM applications to external tools, resources, and prompts through a standard request interface. Last verified 2026-10-22 and 2026-10-23.
Last verified 2026-10-22 (Model Context Protocol), 2026-10-23 (WebMCP)
Sources
| Field | Model Context Protocol | WebMCP |
|---|---|---|
| Status | Live | Beta |
| Open source | Yes | Yes |
| Last verified | 2026-10-22 | 2026-10-23 |
| Mechanism | Open protocol that connects LLM applications to external tools, resources, and prompts through a standard request interface. | Draft Community Group Report dated 20 October 2026. A page registers JavaScript tools on document.modelContext with registerTool(), and those tools run as client side script in the browser session. Agents, browser agents, and assistive technologies can call them. It is not a W3C Standard. Browser support is experimental. |
| Tags | tools, resources, prompts | browser, tools, mcp |
| Links | ||
| Sources |
Tags
- Shared
- tools
- Only Model Context Protocol
- resources, prompts
- Only WebMCP
- browser, mcp
Glossary
Questions
- What is the status of Model Context Protocol and WebMCP?
- Model Context Protocol is live. WebMCP is beta.
- When was each listing last verified?
- Model Context Protocol was last verified 2026-10-22. WebMCP was last verified 2026-10-23.
- Does this page score Model Context Protocol against WebMCP?
- No. The page restates each mechanism and cites the listing sources.