Memory MCP Server vs Spell.so: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Memory MCP Server and Spell.so side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Memory MCP Server leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Memory MCP Server
Persistent memory MCP server, your AI remembers context across conversations
Best for you if:
- • You want a fully free tool (Spell.so requires payment)
Spell.so
Delegate tasks to autonomous AI agents and transform your daily work with intuitive AI tools.
Best for you if:
- • You want automates a wide range of tasks using AI agents
| At a Glance | ||
|---|---|---|
Starts at | Free 100% free | From $7.50/mo, billed yearly Personal plan |
Category | AI Assistants Productivity | AI Assistants Workflow Automation |
Rating | n/a | n/a |
Free plan | Yes | No |
Watch out for | n/a | No overage credit purchases available |
Choose Memory MCP Server or Spell.so?
Choose Memory MCP Server if
- You want a fully free tool (Spell.so requires payment)
- You want AI remembers project decisions and preferences between sessions
- You want privacy-friendly, no data leaves your machine
Choose Spell.so if
- You want automates a wide range of tasks using AI agents
- You want allows parallel execution of multiple AI tasks, saving time
In-Depth Analysis
Memory MCP Server
Persistent memory MCP server, your AI remembers context across conversations
The pricing for Memory MCP Server is exceptionally generous, as the only listed tier is "Open Source" and "Free." This makes it an incredibly accessible option for anyone looking to implement a persistent memory MCP server without any direct cost.
Strengths
- Pro: AI remembers project decisions and preferences between sessions
- Pro: Privacy-friendly, no data leaves your machine
Weaknesses
- Con: Memory is local, not shared across devices
- Con: Graph can grow large over time without cleanup
Key features
Spell.so
Delegate tasks to autonomous AI agents and transform your daily work with intuitive AI tools.
The pricing is fair for light usage but becomes expensive for heavy users, as the $7.50 Personal tier offers only 800 credits while the $41 Expert tier gives 5000 credits, a poor value per credit at the mid-tier.
Watch out
No overage credit purchases available
Strengths
- Pro: Automates a wide range of tasks using AI agents.
- Pro: Allows parallel execution of multiple AI tasks, saving time.
- Pro: Offers a rich library of prompts and templates for various industries.
- Pro: Provides plugins to extend agent functionality.
- Pro: Includes a free trial to test features.
Weaknesses
- Con: Pricing is credit-based, which might require monitoring usage.
- Con: Teams feature is listed as 'Coming soon!'
Key features
Plans and prices: Memory MCP Server vs Spell.so
| Tool | Plans and prices | Source |
|---|---|---|
| Memory MCP Server |
| github.com/modelcontextprotocol/servers/tree/ma… read Oct 18, 2026 |
| Spell.so |
| spell.so/pricing read Sep 30, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Memory MCP Server pricing and Spell.so pricing.
Key Takeaways
Memory MCP Server
- Has a free plan
Spell.so
- Choose if you want delegate tasks to autonomous AI agents and transform your daily work with intuitive AI tools
What the data shows
On the data below, Memory MCP Server leads on a free plan. We do not name an overall winner for this pair.
- Spell.so starts at $7.50/mo, billed yearly; Memory MCP Server has no public paid plan price on file.
- Only Memory MCP Server has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Memory MCP Server and Spell.so compare in 2026?
On the data below, Memory MCP Server leads on a free plan. We do not name an overall winner for this pair. Spell.so starts at $7.50/mo, billed yearly; Memory MCP Server has no public paid plan price on file. Only Memory MCP Server has a free plan.
What are Memory MCP Server and Spell.so used for?
Memory MCP Server: Persistent memory MCP server, your AI remembers context across conversations. Spell.so: Delegate tasks to autonomous AI agents and transform your daily work with intuitive AI tools.
What does Memory MCP Server cost vs Spell.so?
Memory MCP Server is free. Spell.so's cheapest paid plan is Personal at $7.50/mo, billed yearly. Prices read on the vendors' pricing pages, latest check Oct 18, 2026.
What's the main difference between Memory MCP Server and Spell.so?
Memory MCP Server's main strength: AI remembers project decisions and preferences between sessions. Spell.so's main strength: automates a wide range of tasks using AI agents.