| name | mmp |
| description | Standalone `mmp` executable for managing multiple MCP servers from a loaded gateway config. |
| should_run_in_sandbox | main |
MMP
Use the standalone mmp executable inside the main sandbox. mmp is a CLI-first MCP multiplexing proxy that supports http, sse, and stdio transports, persistent session handles, and session reuse across calls.
Usage
mmp load gateway.toml
mmp ls
mmp call demo-http tools/list
mmp call demo-stdio echo --arg '{"value":"hello"}'
mmp call --id 9de6d26 resources/list
mmp ps
mmp rm --id 9de6d26
mmp rm --all
Parameters
load (optional, positional position 0)
Type: subcommand
Load a TOML gateway config file and persist it as the active config for later mmp commands.
ls (optional, positional position 0)
Type: subcommand
List servers from the active loaded config.
call (optional, positional position 0)
Type: subcommand
Create a new persistent session or resume an existing session and call an MCP method.
ps (optional, positional position 0)
Type: subcommand
List tracked persistent sessions and their liveness.
rm (optional, positional position 0)
Type: subcommand
Remove one persistent session or all sessions.
path (optional, positional position 1)
Type: str
Gateway TOML path for mmp load.
server (optional, positional position 1)
Type: str
Server name from the active loaded config for mmp call <server> <method>.
method (optional, positional position 2)
Type: str
MCP method name such as tools/list or resources/list.
--arg (optional, named parameter)
Type: str
JSON string passed as arguments to mmp call.
--id (optional, named parameter)
Type: str
Existing session handle to resume with mmp call --id <id> <method> or remove with mmp rm --id <id>.
--all (optional, flag)
Type: bool (default: false)
Remove all tracked sessions with mmp rm --all.
Return Value
Returns the underlying mmp CLI stdout/stderr. mmp call often returns JSON, while load, ls, ps, and rm usually return human-readable text tables or status lines.
Requires Sandbox
main
Timeout
Default timeout: 60 seconds
