Looking for an alternative to MCP Memory Rs? Whether you need a different runtime environment, custom authentication support, or alternative API integrations in the Databases ecosystem, we have cataloged and compared the top alternative MCP servers below.
This server keeps an agent's long-lived state — identity, projects, infrastructure notes, per-device workflows — as files you own: one JSON file per category plus a rebuildable SQLite (FTS5) index. Every write is versioned, and deletes create a backup first, so history is preserved and any MCP stdio client (Claude Code, Codex, or others) gets the same memory. The default stdio mode works fully offline; an optional HTTP endpoint syncs a fleet of devices using merkle manifests and optimistic concurrency, but that's a separate, explicit step, never a hidden dependency.
Direct comparison of key metrics, runtimes, authentication methods, and community popularity.
| Server Name | Runtime | Auth | Pricing | GitHub Stars | Downloads | Action |
|---|---|---|---|---|---|---|
| — | No auth required | Free | 2 | — | Current | |
| — | No auth required | Free | 2 | — | Compare → | |
| npx | No auth required | Free | 51 | — | Compare → | |
| npx | Other | Free | 16,470 | — | Compare → | |
| npx | Free/None | Free | 16,488 | — | Compare → | |
| uvx | API key | Free | 1,537 | — | Compare → | |
| npx | API key | Bring your own API key (usage-based cost) | 38 | — | Compare → | |
| Remote (SSE) | Free/None | Free | 1,848 | — | Compare → | |
| npx | No auth required | Free | 128 | — | Compare → | |
| npx | No auth required | Free | 4 | — | Compare → | |
| npx | API key | Free | 1 | — | Compare → | |
| uvx | No auth required | Free | 179 | — | Compare → | |
| npx | API key | Bring your own API key (usage-based cost) | 458 | — | Compare → |