Host, Docker, Compose, SSH, logs, ZFS, and file operations over MCP and CLI.
Connect Runs on your machine
claude mcp add synapse -e SYNAPSE_HOME=<SYNAPSE_HOME> -e SYNAPSE_HOSTS_CONFIG=<SYNAPSE_HOSTS_CONFIG> -e SYNAPSE_CONFIG_FILE=<SYNAPSE_CONFIG_FILE> -e SYNAPSE_RMCP_VERSION=<SYNAPSE_RMCP_VERSION> -e SYNAPSE_RMCP_REPO=<SYNAPSE_RMCP_REPO> -e SYNAPSE_RMCP_RELEASE_BASE_URL=<SYNAPSE_RMCP_RELEASE_BASE_URL> -e RUST_LOG=<RUST_LOG> -- npx -y @dinglebear/[email protected]{
"mcpServers": {
"synapse": {
"command": "npx",
"args": [
"-y",
"@dinglebear/[email protected]"
],
"env": {
"SYNAPSE_HOME": "<SYNAPSE_HOME>",
"SYNAPSE_HOSTS_CONFIG": "<SYNAPSE_HOSTS_CONFIG>",
"SYNAPSE_CONFIG_FILE": "<SYNAPSE_CONFIG_FILE>",
"SYNAPSE_RMCP_VERSION": "<SYNAPSE_RMCP_VERSION>",
"SYNAPSE_RMCP_REPO": "<SYNAPSE_RMCP_REPO>",
"SYNAPSE_RMCP_RELEASE_BASE_URL": "<SYNAPSE_RMCP_RELEASE_BASE_URL>",
"RUST_LOG": "<RUST_LOG>"
}
}
}
}{
"mcpServers": {
"synapse": {
"command": "npx",
"args": [
"-y",
"@dinglebear/[email protected]"
],
"env": {
"SYNAPSE_HOME": "<SYNAPSE_HOME>",
"SYNAPSE_HOSTS_CONFIG": "<SYNAPSE_HOSTS_CONFIG>",
"SYNAPSE_CONFIG_FILE": "<SYNAPSE_CONFIG_FILE>",
"SYNAPSE_RMCP_VERSION": "<SYNAPSE_RMCP_VERSION>",
"SYNAPSE_RMCP_REPO": "<SYNAPSE_RMCP_REPO>",
"SYNAPSE_RMCP_RELEASE_BASE_URL": "<SYNAPSE_RMCP_RELEASE_BASE_URL>",
"RUST_LOG": "<RUST_LOG>"
}
}
}
}{
"servers": {
"synapse": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@dinglebear/[email protected]"
],
"env": {
"SYNAPSE_HOME": "<SYNAPSE_HOME>",
"SYNAPSE_HOSTS_CONFIG": "<SYNAPSE_HOSTS_CONFIG>",
"SYNAPSE_CONFIG_FILE": "<SYNAPSE_CONFIG_FILE>",
"SYNAPSE_RMCP_VERSION": "<SYNAPSE_RMCP_VERSION>",
"SYNAPSE_RMCP_REPO": "<SYNAPSE_RMCP_REPO>",
"SYNAPSE_RMCP_RELEASE_BASE_URL": "<SYNAPSE_RMCP_RELEASE_BASE_URL>",
"RUST_LOG": "<RUST_LOG>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
SYNAPSE_HOMEOptional | Optional Synapse appdata directory. |
SYNAPSE_HOSTS_CONFIGOptional | Inline host topology as a JSON array. |
SYNAPSE_CONFIG_FILEOptional | Path to a host configuration file. |
SYNAPSE_RMCP_VERSIONOptional | Optional GitHub release tag override for the downloaded Synapse binary. |
SYNAPSE_RMCP_REPOOptional | Optional GitHub owner/repo override for release asset downloads. |
SYNAPSE_RMCP_RELEASE_BASE_URLOptional | Optional release download base URL override. |
RUST_LOGOptional | Tracing filter for Synapse logs. |
Details
| Package | @dinglebear/[email protected] (NPM, stdio) |
| First published | 4 Aug 2026 |
| Last updated | 4 Aug 2026 |
| Registry name | ai.dinglebear/synapse |
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