Retain MCP Server
Rank #65,636io.github.retain-so/mcp-server
Model Context Protocol server for Retain: let AI agents query churn risk and act on retention.
Retain MCP Server is a Model Context Protocol (MCP) server published by retain-so. It ranks #65,636 of 137,492 servers tracked on MCP Toplist, and its repository has 1 GitHub stars. Retain MCP Server is listed across 3 registries — Official MCP, PulseMCP and Glama, with 1 tracked version. It was first listed on Jun 5, 2026 and most recently updated on Jun 5, 2026.
Ranks ahead of 71,856 of 137,492 servers on MCP Toplist.
Use Retain MCP Server
Requires user-supplied configuration before first use — typically an API key, token or connection string set via environment variables.
claude mcp add retain-so -e "RETAIN_API_KEY=<your RETAIN_API_KEY>" -- npx -y @retain-so/mcp-serverReplace each placeholder with your own value before saving.
[mcp_servers.retain-so]
command = "npx"
args = ["-y", "@retain-so/mcp-server"]
[mcp_servers.retain-so.env]
RETAIN_API_KEY = "<your RETAIN_API_KEY>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"retain-so": {
"command": "npx",
"args": [
"-y",
"@retain-so/mcp-server"
],
"env": {
"RETAIN_API_KEY": "<your RETAIN_API_KEY>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"retain-so": {
"command": "npx",
"args": [
"-y",
"@retain-so/mcp-server"
],
"env": {
"RETAIN_API_KEY": "<your RETAIN_API_KEY>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"retain-so": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@retain-so/mcp-server"
],
"env": {
"RETAIN_API_KEY": "<your RETAIN_API_KEY>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"retain-so": {
"command": "npx",
"args": [
"-y",
"@retain-so/mcp-server"
],
"env": {
"RETAIN_API_KEY": "<your RETAIN_API_KEY>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"retain-so": {
"command": "npx",
"args": [
"-y",
"@retain-so/mcp-server"
],
"env": {
"RETAIN_API_KEY": "<your RETAIN_API_KEY>"
}
}
}
}Replace each placeholder with your own value before saving.
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.retain-so%2Fmcp-server)<a href="https://mcptoplist.com/server/io.github.retain-so%2Fmcp-server"><img src="https://mcptoplist.com/badge/io.github.retain-so%2Fmcp-server.svg" alt="MCP Toplist: Top 50% of 137,492" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 3 registries
retain-so
Available versions (1)
| Version | Published |
|---|---|
| 0.1.2 | Jun 5, 2026 |
Frequently asked questions
- Who maintains Retain MCP Server?
- Retain MCP Server is maintained by retain-so, which publishes 1 MCP server (1 total version) tracked on MCP Toplist.
- Is Retain MCP Server listed on the Official MCP Registry?
- Yes — Retain MCP Server is listed on the Official MCP Registry, alongside PulseMCP and Glama.
- How many versions does Retain MCP Server have?
- MCP Toplist tracks 1 version of Retain MCP Server, most recently published on Jun 5, 2026.
- Where can I find the source code for Retain MCP Server?
- The source code for Retain MCP Server is hosted at github.com/retain-so/mcp-server.
Do you run this server?
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