COTI Private Messaging runs on your own machine — the client starts it, so there is no endpoint to ping. 135 installs a week from npm. Last commit 29 Jun 2026.
Private encrypted agent messaging, hidden state exchange, delegation, and private inbox workflows.
Nothing serious here today
Today is the operative word: we check COTI Private Messaging 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 coti-private-messaging -e 'PRIVATE_KEY=<PRIVATE_KEY>' -e 'AES_KEY=<AES_KEY>' -- npx -y @coti-io/coti-sdk-private-messaging{
"mcpServers": {
"coti-private-messaging": {
"command": "npx",
"args": [
"-y",
"@coti-io/coti-sdk-private-messaging"
],
"env": {
"AES_KEY": "<AES_KEY>",
"PRIVATE_KEY": "<PRIVATE_KEY>"
}
}
}
}[mcp_servers.coti-private-messaging]
command = "npx"
args = ["-y", "@coti-io/coti-sdk-private-messaging"]
env = { PRIVATE_KEY = "<PRIVATE_KEY>", AES_KEY = "<AES_KEY>" }{
"mcpServers": {
"coti-private-messaging": {
"command": "npx",
"args": [
"-y",
"@coti-io/coti-sdk-private-messaging"
],
"env": {
"AES_KEY": "<AES_KEY>",
"PRIVATE_KEY": "<PRIVATE_KEY>"
}
}
}
}{
"servers": {
"coti-private-messaging": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@coti-io/coti-sdk-private-messaging"
],
"env": {
"AES_KEY": "<AES_KEY>",
"PRIVATE_KEY": "<PRIVATE_KEY>"
}
}
}
}Put your own values in place of
<PRIVATE_KEY> (Private key for the agent wallet that sends, reads, and claims private messaging activity), <AES_KEY> (COTI AES key for encrypting and decrypting private message bodies).
The author’s registry entry marks them as required.
Optional settings from the registry entry, left out of the block above:
COTI_NETWORK (Optional network selector. Defaults to mainnet; use testnet only for intentional testing), STARTER_GRANT_REF (Optional attribution reference for starter-grant and private messaging onboarding flows).
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COTI Private Messaging — questions
Answers built from our own checks of this server.