Sickle vs DataFuse

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 DataFuse
Detail	Sickle	DataFuse
What it does	Email MCP server for Claude, Cursor and other AI agents to access every mailbox you own	Integration layer for AI agents to connect tools, authenticate, execute and audit
Stage	Not given	Not given
Founded	Not given	Not given
Based in	GB	Not given
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: 100,000 tool calls/month, 50 playground messages/month. Starter: $19/month for 250,000 tool calls/month, 1,000 playground messages/month. Growth: $149/month for 2,000,000 tool calls/month, 10,000 playground messages/month. Overages: $5 for 1,000 calls, $15 for 5,000 calls, $25 for 10,000 calls
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	Catalog of 1,085 APIs with 232 production-ready integrations 48-hour API integration guarantee or free month Server-side credential resolution and management REST, GraphQL and MCP integration runtimes Execution history and audit logging Self-hosted deployment option Custom API integration support Free migration from competitors
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	No per-connection, per-user or per-seat fees; only pay for tool calls Unified workflow for connection setup, tool discovery and execution across multiple platforms Dashboard playground to test tools with integrated LLM without consuming tool calls Clear execution visibility and logs for agent debugging without raw application logs
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	Not checked yet no change since last check
Trust Flow (Majestic)	8	0
Citation Flow (Majestic)	22	12
Referring domains (Majestic)	17	1

5 details filled in for both companies.

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