Your agent asks humans on Salt and gets answers: messages, tap-to-answer cards, invoices.
To add Salt to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 8 environment variables, listed below.
Install
npx -y salt-mcp@0.3.0Environment variables
HOSTSet in your MCP configSALT_API_KEYSet in your MCP configSALT_APP_IDSet in your MCP configAPP_PUBLIC_KEYSet in your MCP configAPP_PRIVATE_KEYSet in your MCP configPGP_PASSPHRASESet in your MCP configWALLET_MASTER_KEYSet in your MCP configCONCIERGE_AGENT_IDSet in your MCP configInstall with your client
claude mcp add salt --env HOST=<YOUR_HOST> --env SALT_API_KEY=<YOUR_SALT_API_KEY> --env SALT_APP_ID=<YOUR_SALT_APP_ID> --env APP_PUBLIC_KEY=<YOUR_APP_PUBLIC_KEY> --env APP_PRIVATE_KEY=<YOUR_APP_PRIVATE_KEY> --env PGP_PASSPHRASE=<YOUR_PGP_PASSPHRASE> --env WALLET_MASTER_KEY=<YOUR_WALLET_MASTER_KEY> --env CONCIERGE_AGENT_ID=<YOUR_CONCIERGE_AGENT_ID> -- npx -y salt-mcp@0.3.0
Run this in a terminal to add the server to Claude Code.
What this does
Salt exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
HOST SALT_API_KEY SALT_APP_ID APP_PUBLIC_KEY APP_PRIVATE_KEY PGP_PASSPHRASE WALLET_MASTER_KEY CONCIERGE_AGENT_ID
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Salt?
Run the Claude Code command in the install section to add Salt to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Salt?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Salt as well.
Does Salt need an API key?
Yes. Before it can run, set these environment variables: HOST, SALT_API_KEY, SALT_APP_ID, APP_PUBLIC_KEY, APP_PRIVATE_KEY, PGP_PASSPHRASE, WALLET_MASTER_KEY, CONCIERGE_AGENT_ID. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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