PluginStatsFastmail listing history
By Fastmail · Claude Connectors
An MCP server for Fastmail customers and accounts
Claude Connectors does not publish install or usage counts, so PluginStats tracks Fastmail's listing placement instead, currently position #223 in the marketplace's popularity-sorted listing.
About Fastmail
MCP is an open standard, not tied to any one AI provider, for how AI clients talk to external data and tools. Think of it as another API sitting alongside IMAP, CalDAV, and CardDAV, except instead of being designed for mail apps or calendar clients, it’s designed for AI models to use directly.
If you point Claude at our MCP server, you can ask it things like “what’s on my calendar tomorrow?”, “draft a reply to Sarah’s email about the Q3 budget”, or “find my dentist’s address in my contacts” and it will do them against your real Fastmail account.
Description from the Claude Connectors listing.
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Charts
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Ranking history
Filled points are observed values; hollow points come from Internet Archive snapshots of the listing page. Dashed segments span periods with no observations — values between points are not interpolated.
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Anthropic does not publish install counts for connectors. PluginStats records each Anthropic and partner connector's position in the official Claude directory, which Anthropic orders by its own ranking, so movement in position over time is the signal.
Listing: https://claude.com/marketplace/connectors/fastmail. First seen Oct 16, 2026; last successful collection Oct 22, 2026. See the methodology.