mcp
Spec Support Unverified Confidence: Good (0.85)mcp is an MCP server published by extensiondev; its MCP spec-revision support has not been verified yet. Last verified 2026-08-07.
Does mcp support the current MCP specification (2026-07-28)?
Undetermined. We have not verified which MCP specification revision mcp supports (as of 2026-08-07).
Is mcp a first-party (official) MCP server?
Undetermined. We have not verified the publisher relationship for mcp (as of 2026-08-07).
How do I connect to mcp?
mcp is available via the package npm:@extension.dev/mcp, the official MCP Registry under io.github.extensiondev/mcp, the source repository at https://github.com/extensiondev/mcp. Authentication: unknown. Transports: stdio.
When were mcp's facts last verified?
2026-08-07. Each fact on this page links to the sources used to verify it.
Build, run, inspect, and publish browser extensions from any MCP client. 28 tools, 11 browsers.
How widely adopted is mcp?
Not ranked in The MCP 500: insufficient public data (coverage floor not met) (snapshot ). The Adoption Index measures public signals only; it says nothing about quality.
How was this verified, and what are the sources?
Verified · method: registry-record
· confidence 0.85 (Good).