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MCP-B Transports

What the publisher says

MCP-B Transports implements postMessage, browser-extension messaging, and iframe communication for browser MCP integrations.

Best for: Developers implementing one reviewed browser communication path between an MCP client, extension, page, or iframe.

Limitations: A ready-to-run MCP server or browser messaging that lacks reviewed origin, source, authentication, and permission boundaries.

Public use
86,339 npm downloads in 30 days · 64 GitHub stars · 16 forks
Activity
Package v4.0.0 · repository updated 12 Jul 2026
Community
7 open issues · Discussions available
Checked
14 Jul 2026

Source facts only. Not tested or recommended by Agent Blocks.

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