r3
Rank #21,877io.github.n3wth/r3
Local Redis memory MCP for AI apps with hybrid caching and optional Mem0 cloud backup.
What you can do with r3
r3 is a Model Context Protocol (MCP) server published by n3wth. It ranks #21,877 of 144,396 active servers on MCP Toplist, and its repository has 2 GitHub stars. r3 is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Sep 14, 2025 and most recently updated on Sep 9, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What r3 can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using r3
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
- MEM0_API_KEY · optional
- REDIS_URL · optional
Connect r3 and confirm it works
claude mcp add r3 -e "MEM0_API_KEY=<your MEM0_API_KEY>" -e "REDIS_URL=<your REDIS_URL>" -- npx -y @n3wth/r3Replace each placeholder with your own value before saving.
[mcp_servers.r3]
command = "npx"
args = ["-y", "@n3wth/r3"]
[mcp_servers.r3.env]
MEM0_API_KEY = "<your MEM0_API_KEY>"
REDIS_URL = "<your REDIS_URL>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"r3": {
"command": "npx",
"args": [
"-y",
"@n3wth/r3"
],
"env": {
"MEM0_API_KEY": "<your MEM0_API_KEY>",
"REDIS_URL": "<your REDIS_URL>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"r3": {
"command": "npx",
"args": [
"-y",
"@n3wth/r3"
],
"env": {
"MEM0_API_KEY": "<your MEM0_API_KEY>",
"REDIS_URL": "<your REDIS_URL>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"r3": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@n3wth/r3"
],
"env": {
"MEM0_API_KEY": "<your MEM0_API_KEY>",
"REDIS_URL": "<your REDIS_URL>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"r3": {
"command": "npx",
"args": [
"-y",
"@n3wth/r3"
],
"env": {
"MEM0_API_KEY": "<your MEM0_API_KEY>",
"REDIS_URL": "<your REDIS_URL>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"r3": {
"command": "npx",
"args": [
"-y",
"@n3wth/r3"
],
"env": {
"MEM0_API_KEY": "<your MEM0_API_KEY>",
"REDIS_URL": "<your REDIS_URL>"
}
}
}
}Replace each placeholder with your own value before saving.
After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
When to choose another server
No task-specific alternatives are catalogued for r3yet; the list above is its publisher's other servers.
What changed, and when this was checked
- First listed
- Sep 14, 2025
- Latest version published
- Sep 9, 2026
- Version history
- 1 version tracked (below)
- Requirements evidence
- Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Oct 16, 2026
- Glama ↗listed since Apr 26, 2026 · still listed
- Official MCP ↗listed since Sep 9, 2026 · still listed
Do you maintain r3? to correct or enrich this profile.
Available versions (1)
| Version | Published |
|---|---|
| 1.3.2 | Sep 9, 2026 |
Ranks ahead of 122,519 of 144,396 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.n3wth%2Fr3)<a href="https://mcptoplist.com/server/io.github.n3wth%2Fr3"><img src="https://mcptoplist.com/badge/io.github.n3wth%2Fr3.svg" alt="MCP Toplist: Top 25% of 144,396" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains r3?
- r3 is maintained by n3wth, which publishes 3 MCP servers (2 total versions) tracked on MCP Toplist.
- Is r3 listed on the Official MCP Registry?
- Yes — r3 is listed on the Official MCP Registry, alongside Glama.
- How many versions does r3 have?
- MCP Toplist tracks 1 version of r3, most recently published on Sep 9, 2026.
- Where can I find the source code for r3?
- The source code for r3 is hosted at github.com/n3wth/r3.
Do you run this server?
Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.