toolgrep / Databases & storage / MantleDB
Alternatives to MantleDB
MantleDB: Free anonymous JSON key-value storage API with a built-in MCP server. 8 products similar to MantleDB, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 4 of 8 offer an MCP server, 2 of 8 are open source.
- restdb.io
Online NoSQL database backend with automatic REST APIs and low-code JavaScript codehooks
- Filess.io
Developer platform offering managed databases, web hosting, and SSH-based HTTP/TCP tunnels.
- JSONing Fake API
Free and open source fake API for testing and prototyping
- SendRaven
Email infrastructure for AI agents, accessible via REST API or MCP
- Appwrite
The open-source cloud for developers and agents
- Storyblok
Headless CMS with Visual Editor
- LeanCloud
Serverless backend-as-a-service platform
- DatoCMS
Headless CMS with GraphQL and REST APIs for delivering content to websites, apps, and digital channels
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| MantleDB | Freemium · from $3/month | yes | yes | yes | no | no |
| restdb.io | Freemium | yes | yes | no | yes | no |
| Filess.io | Freemium · from €0/mo (Free plan); paid shared plans €3.99–€29.99/mo; dedicated resources pay-as-you-go | yes | yes | no | yes | no |
| JSONing Fake API | Free | yes | yes | no | no | yes |
| SendRaven | Freemium · from $19/month (Standard, 50,000 emails); 3,000 emails/month free tier | yes | yes | yes | no | no |
| Appwrite | Freemium | yes | yes | yes | yes | yes |
| Storyblok | Freemium | yes | yes | yes | yes | — |
| LeanCloud | Freemium | yes | yes | no | yes | no |
| DatoCMS | Freemium · from €149/month (Professional, billed annually); free plan available | yes | yes | yes | yes | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/mantledb/alternatives