Synapse RMCP runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 10 Sep 2026.
Rust MCP and CLI server for Docker, host inspection, SSH, logs, ZFS, and safe file operations.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 August 2026. No other catalogue keeps this.
Today is the operative word: we check Synapse RMCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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 synapse-rmcp -- npx -y synapse-rmcp
{
"mcpServers": {
"synapse-rmcp": {
"args": [
"-y",
"synapse-rmcp"
],
"command": "npx"
}
}
}
[mcp_servers.synapse-rmcp]
command = "npx"
args = ["-y", "synapse-rmcp"]
{
"mcpServers": {
"synapse-rmcp": {
"args": [
"-y",
"synapse-rmcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"synapse-rmcp": {
"args": [
"-y",
"synapse-rmcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
SYNAPSE_HOME (Optional Synapse appdata directory.), SYNAPSE_HOSTS_CONFIG (Inline host topology as a JSON array.), SYNAPSE_CONFIG_FILE (Path to a host configuration file.), SYNAPSE_RMCP_VERSION (Optional GitHub release tag override for the downloaded Synapse binary.), SYNAPSE_RMCP_REPO (Optional GitHub owner/repo override for release asset downloads.), SYNAPSE_RMCP_RELEASE_BASE_URL (Optional release download base URL override.), RUST_LOG (Tracing filter for Synapse logs.).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.