Keephaven MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 386 installs a week from npm. Last commit 29 Oct 2026.
Agent memory on your own Keephaven home server: files, append-only journal, search.
Nothing serious here today
Today is the operative word: we check Keephaven MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add keephaven-mcp -e 'KEEPHAVEN_URL=<KEEPHAVEN_URL>' -e 'KEEPHAVEN_TOKEN=<KEEPHAVEN_TOKEN>' -- npx -y @dafarusd/keephaven-mcp{
"mcpServers": {
"keephaven-mcp": {
"command": "npx",
"args": [
"-y",
"@dafarusd/keephaven-mcp"
],
"env": {
"KEEPHAVEN_TOKEN": "<KEEPHAVEN_TOKEN>",
"KEEPHAVEN_URL": "<KEEPHAVEN_URL>"
}
}
}
}[mcp_servers.keephaven-mcp]
command = "npx"
args = ["-y", "@dafarusd/keephaven-mcp"]
env = { KEEPHAVEN_URL = "<KEEPHAVEN_URL>", KEEPHAVEN_TOKEN = "<KEEPHAVEN_TOKEN>" }{
"mcpServers": {
"keephaven-mcp": {
"command": "npx",
"args": [
"-y",
"@dafarusd/keephaven-mcp"
],
"env": {
"KEEPHAVEN_TOKEN": "<KEEPHAVEN_TOKEN>",
"KEEPHAVEN_URL": "<KEEPHAVEN_URL>"
}
}
}
}{
"servers": {
"keephaven-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@dafarusd/keephaven-mcp"
],
"env": {
"KEEPHAVEN_TOKEN": "<KEEPHAVEN_TOKEN>",
"KEEPHAVEN_URL": "<KEEPHAVEN_URL>"
}
}
}
}Put your own values in place of
<KEEPHAVEN_URL> (The box's memory API, e.g. http://keephaven-xxxx.local:8790), <KEEPHAVEN_TOKEN> (Agent token from Settings > Agents on the box).
The author’s registry entry marks them as required.
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Keephaven MCP — questions
Answers built from our own checks of this server.