Sickle vs Knotr

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Sickle compared with Knotr
Detail	Sickle	Knotr
What it does	Email MCP server for Claude, Cursor and other AI agents to access every mailbox you own	Your voice and skills in every AI tool you use
Stage	Not given	Startup
Founded	Not given	Not given
Based in	GB	US
Pricing model	Free trial	Freemium
Pricing	Monthly: €8.99/month after 7-day free trial. Yearly: €30/year (€2.50/month equivalent, 72% savings). Includes both the Mac app and the MCP connector.	Free: 1 Profile, 10 Skills, 50 Documents, 10 Artifacts, 1 Style Guide from Starter Pack, 100 Hosted Chat AI credits/month. Pro: $24/mo or $20/mo billed annually, 5 Profiles, 75 Skills, 500 Documents, 75 Artifacts, 1 Style Guide, 1,000 Hosted Chat AI credits/month. Max: $49/mo or $40/mo billed annual
Key features	Search across multiple mailboxes simultaneously Read full email threads with conversation history Move, archive and mark emails as read Scoped permissions: read, change, and send separately Attach files up to 18 MB to drafts and emails Download and open email attachments Native macOS mail client included Support for multiple email providers Encrypted file handling during transfer Revoke access anytime within the hour	Profiles to define voice, tone, and judgment Style Guides to enforce writing rules Knowledgebases to store trusted documents and notes Skills to package repeatable workflows Artifacts for versioned, shareable outputs Hosted Chat with custom runtime MCP integration with external tools Team workspaces with shared knowledge Skill Catalog for discovery and import Collections to group and present artifacts
What makes it different	Works with any MCP client, not locked to one AI platform No installation required; works on macOS, Windows and Linux Access unlimited email accounts simultaneously in one connection Send emails with opt-in permission and approval workflow	Output sounds like you, not generic AI, because every tool reads the same profiles and style guides Stop re-uploading docs and rewriting instructions for each new tool Individual voice, shared standards on teams Built-in changelogs instead of Git for managing skills Works with any MCP-compatible AI client without vendor lock-in
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	13 +1 (up) since last check	2 no change since last check
Trust Flow (Majestic)	8	4
Citation Flow (Majestic)	22	25
Referring domains (Majestic)	17	27

6 details filled in for both companies.

More alternatives to Sickle More alternatives to Knotr