MCP Comparison
MySQL vs Redis
Updated: April 16, 2026
Verdict
MySQL MCP is a durable relational database for application data. Redis MCP is an in-memory key-value store for fast caches, queues, and session state. Pick MySQL for anything you need to keep; pick Redis for anything you can afford to lose on restart.
Pick MySQL if...
- +Data must survive restarts and crashes
- +You need SQL joins and foreign keys
- +You already run MySQL in production
- +Query patterns are relational, not key-value
- +You need backups, replication, and point-in-time recovery
Pick Redis if...
- +You want microsecond key-value reads for caching
- +You need a fast queue, pub/sub, or rate limiter
- +Session state or tokens with TTL are the use case
- +Data loss on restart is acceptable
- +You need distributed locks between agents
Feature comparison
| Feature | MySQL | Redis |
|---|---|---|
| Primary focus | read/write SQL against MySQL and MariaDB | read/write keys, streams, and pub/sub on Redis |
| Vendor / maintainer | community | Redis Ltd. |
| Implementation language | Python | Python |
| License | MIT | MIT |
| Pricing | free, OSS | free, OSS |
| Authentication | host/user/password | Redis URL |
| Transport | stdio | stdio |
| Official homepage | github.com/designcomputer/mysql_mcp_server | github.com/redis/mcp-redis |
Frequently asked questions
Which MCP server is faster to set up, MySQL MCP or Redis MCP?
MySQL MCP typically installs via a single npm or pip command and asks for host/user/password. Redis MCP needs Redis URL. Expect 2-5 minutes for either once credentials are ready. If you already have host/user/password configured, MySQL MCP wins by a minute or two.
Can I run MySQL MCP and Redis MCP side by side in the same Claude client?
Yes. Claude Desktop, Cursor, and Claude Code all accept multiple MCP servers in the same config file. Each runs in its own process and exposes a distinct tool namespace, so there are no naming collisions. Memory usage is additive; budget roughly 40-80 MB per server.
How do MySQL MCP and Redis MCP compare on cost?
MySQL MCP is free, OSS. Redis MCP is free, OSS. Most of the real spend is on the underlying service, not the MCP server itself; the server is almost always free. Budget based on query volume at the backend, not the MCP layer.
Is MySQL MCP or Redis MCP more production-ready?
MySQL MCP is community-maintained, so check recent commits and open issues before relying on it. Redis MCP is backed by Redis Ltd.. For critical workloads, pick the vendor-backed option or pin a specific version.
What authentication does each server need?
MySQL MCP authenticates with host/user/password. Redis MCP uses Redis URL. Store secrets in a password manager or your shell's keychain and inject them via environment variables; never commit them to the MCP config file, which is often synced across machines.
Which one should I pick first if I am just starting with MCP?
Start with whichever backend you already pay for or use daily. If you do not use either yet, MySQL MCP is fully OSS, so there is no signup friction. You can always add the second one later without disrupting the first.