MyMultiSig runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 10 Nov 2026.
Create, review, sign and execute MyMultiSig multisig wallet transactions from AI agents.
Nothing serious here today
Today is the operative word: we check MyMultiSig 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 mymultisig-mcp -- npx -y mymultisig-mcp{
"mcpServers": {
"mymultisig-mcp": {
"command": "npx",
"args": [
"-y",
"mymultisig-mcp"
]
}
}
}[mcp_servers.mymultisig-mcp]
command = "npx"
args = ["-y", "mymultisig-mcp"]{
"mcpServers": {
"mymultisig-mcp": {
"command": "npx",
"args": [
"-y",
"mymultisig-mcp"
]
}
}
}{
"servers": {
"mymultisig-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mymultisig-mcp"
]
}
}
}Optional settings from the registry entry, left out of the block above:
MYMULTISIG_API_KEY (Scoped API key (mms_…) from https://mymultisig.app/settings/agents; acts as your wallet on the API), MYMULTISIG_PRIVATE_KEY (The agent's own owner key (0x + 64 hex). Enables signing, executing and deploying; used locally only), MYMULTISIG_CHAINS (Comma-separated chain id allowlist, e.g. 11155111), MYMULTISIG_READ_ONLY (Set to 1 to register read-only tools), MYMULTISIG_ALLOW_SOLO_EXECUTION (Set to 1 to let the agent execute without another owner's approval (off by default)), MYMULTISIG_API_URL (API base URL).
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MyMultiSig — questions
Answers built from our own checks of this server.