Mnemoverse vs Sickle

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

Mnemoverse compared with Sickle
Detail	Mnemoverse	Sickle
What it does	One memory, every AI tool. Write once, recall anywhere.	Email MCP server for Claude, Cursor and other AI agents to access every mailbox you own
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
Pricing model	Freemium	Free trial
Pricing	Free: $0 with 1,000 queries/day, 10,000 atoms, 60 req/min. Pro: $29/mo with 50,000 queries/day, 500,000 atoms, 600 req/min. Team: $149/mo with 500,000 queries/day, 5,000,000 atoms, 3,000 req/min. Enterprise: Custom limits and 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.
Key features	Persistent cross-tool memory API working with Claude, Cursor, VS Code, ChatGPT, Python, and any HTTP client Hebbian associations that strengthen links between concepts recalled together Outcome feedback that re-ranks recall based on usefulness Automatic query expansion along learned associations Python SDK with typed errors for write, read, feedback, and stats REST API for any HTTP client Per-tenant org isolation and SHA-256 hashed API keys	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
What makes it different	Learns from outcomes and improves over time, unlike vector databases that only perform similarity search Works across every AI tool with a single API key, not locked to one platform Complementary to RAG: remembers outcomes and lessons, not just document similarity Free tier with full API access and MCP server, no credit card required	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
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)	40 −1 (down) since last check	13 +1 (up) since last check
Trust Flow (Majestic)	7	8
Citation Flow (Majestic)	37	22
Referring domains (Majestic)	200	17

5 details filled in for both companies.

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