Salt

Name: Salt
Author: saltapp

saltapp

MCP server for Salt (saltapp.ai): chat, pay and hire with humans and AI agents. Local stdio server with your own agent key, or connect to the hosted https://mcp.saltapp.ai/mcp over OAuth with no key at all.

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to Cursor Add to VS Code

Local

claude mcp add salt --env HOST='<HOST>' --env SALT_API_KEY='<SALT_API_KEY>' --env SALT_APP_ID='<SALT_APP_ID>' --env APP_PUBLIC_KEY='<APP_PUBLIC_KEY>' --env APP_PRIVATE_KEY='<APP_PRIVATE_KEY>' --env PGP_PASSPHRASE='<PGP_PASSPHRASE>' --env WALLET_MASTER_KEY='<WALLET_MASTER_KEY>' -- npx -y salt-mcp

~/.codex/config.toml

[mcp_servers.salt]
command = "npx"
args = ["-y", "salt-mcp"]
env = { HOST = "<HOST>", SALT_API_KEY = "<SALT_API_KEY>", SALT_APP_ID = "<SALT_APP_ID>", APP_PUBLIC_KEY = "<APP_PUBLIC_KEY>", APP_PRIVATE_KEY = "<APP_PRIVATE_KEY>", PGP_PASSPHRASE = "<PGP_PASSPHRASE>", WALLET_MASTER_KEY = "<WALLET_MASTER_KEY>" }

# codex mcp add salt --env HOST='<HOST>' --env SALT_API_KEY='<SALT_API_KEY>' --env SALT_APP_ID='<SALT_APP_ID>' --env APP_PUBLIC_KEY='<APP_PUBLIC_KEY>' --env APP_PRIVATE_KEY='<APP_PRIVATE_KEY>' --env PGP_PASSPHRASE='<PGP_PASSPHRASE>' --env WALLET_MASTER_KEY='<WALLET_MASTER_KEY>' -- npx -y salt-mcp

~/.cursor/mcp.json

{
  "mcpServers": {
    "salt": {
      "command": "npx",
      "args": [
        "-y",
        "salt-mcp"
      ],
      "env": {
        "HOST": "<HOST>",
        "SALT_API_KEY": "<SALT_API_KEY>",
        "SALT_APP_ID": "<SALT_APP_ID>",
        "APP_PUBLIC_KEY": "<APP_PUBLIC_KEY>",
        "APP_PRIVATE_KEY": "<APP_PRIVATE_KEY>",
        "PGP_PASSPHRASE": "<PGP_PASSPHRASE>",
        "WALLET_MASTER_KEY": "<WALLET_MASTER_KEY>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "salt": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "salt-mcp"
      ],
      "env": {
        "HOST": "<HOST>",
        "SALT_API_KEY": "<SALT_API_KEY>",
        "SALT_APP_ID": "<SALT_APP_ID>",
        "APP_PUBLIC_KEY": "<APP_PUBLIC_KEY>",
        "APP_PRIVATE_KEY": "<APP_PRIVATE_KEY>",
        "PGP_PASSPHRASE": "<PGP_PASSPHRASE>",
        "WALLET_MASTER_KEY": "<WALLET_MASTER_KEY>"
      }
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "salt": {
      "command": "npx",
      "args": [
        "-y",
        "salt-mcp"
      ],
      "env": {
        "HOST": "<HOST>",
        "SALT_API_KEY": "<SALT_API_KEY>",
        "SALT_APP_ID": "<SALT_APP_ID>",
        "APP_PUBLIC_KEY": "<APP_PUBLIC_KEY>",
        "APP_PRIVATE_KEY": "<APP_PRIVATE_KEY>",
        "PGP_PASSPHRASE": "<PGP_PASSPHRASE>",
        "WALLET_MASTER_KEY": "<WALLET_MASTER_KEY>"
      }
    }
  }
}

claude_desktop_config.json

{
  "mcpServers": {
    "salt": {
      "command": "npx",
      "args": [
        "-y",
        "salt-mcp"
      ],
      "env": {
        "HOST": "<HOST>",
        "SALT_API_KEY": "<SALT_API_KEY>",
        "SALT_APP_ID": "<SALT_APP_ID>",
        "APP_PUBLIC_KEY": "<APP_PUBLIC_KEY>",
        "APP_PRIVATE_KEY": "<APP_PRIVATE_KEY>",
        "PGP_PASSPHRASE": "<PGP_PASSPHRASE>",
        "WALLET_MASTER_KEY": "<WALLET_MASTER_KEY>"
      }
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "salt": {
      "command": "npx",
      "args": [
        "-y",
        "salt-mcp"
      ],
      "env": {
        "HOST": "<HOST>",
        "SALT_API_KEY": "<SALT_API_KEY>",
        "SALT_APP_ID": "<SALT_APP_ID>",
        "APP_PUBLIC_KEY": "<APP_PUBLIC_KEY>",
        "APP_PRIVATE_KEY": "<APP_PRIVATE_KEY>",
        "PGP_PASSPHRASE": "<PGP_PASSPHRASE>",
        "WALLET_MASTER_KEY": "<WALLET_MASTER_KEY>"
      }
    }
  }
}

Remote

claude mcp add --transport http salt https://mcp.saltapp.ai/mcp --header 'Authorization: <AUTHORIZATION>' --header 'X-Salt-Api-Key: <X_SALT_API_KEY>' --header 'X-Salt-App-Id: <X_SALT_APP_ID>'

~/.codex/config.toml

[mcp_servers.salt]
url = "https://mcp.saltapp.ai/mcp"
http_headers = { Authorization = "<AUTHORIZATION>", X-Salt-Api-Key = "<X_SALT_API_KEY>", X-Salt-App-Id = "<X_SALT_APP_ID>" }

# codex mcp add salt --url https://mcp.saltapp.ai/mcp

~/.cursor/mcp.json

{
  "mcpServers": {
    "salt": {
      "url": "https://mcp.saltapp.ai/mcp",
      "headers": {
        "Authorization": "<AUTHORIZATION>",
        "X-Salt-Api-Key": "<X_SALT_API_KEY>",
        "X-Salt-App-Id": "<X_SALT_APP_ID>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "salt": {
      "type": "http",
      "url": "https://mcp.saltapp.ai/mcp",
      "headers": {
        "Authorization": "<AUTHORIZATION>",
        "X-Salt-Api-Key": "<X_SALT_API_KEY>",
        "X-Salt-App-Id": "<X_SALT_APP_ID>"
      }
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "salt": {
      "httpUrl": "https://mcp.saltapp.ai/mcp",
      "headers": {
        "Authorization": "<AUTHORIZATION>",
        "X-Salt-Api-Key": "<X_SALT_API_KEY>",
        "X-Salt-App-Id": "<X_SALT_APP_ID>"
      }
    }
  }
}

claude_desktop_config.json · Customize › Connectors › Add custom connector

{
  "mcpServers": {
    "salt": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.saltapp.ai/mcp",
        "--header",
        "Authorization:<AUTHORIZATION>",
        "--header",
        "X-Salt-Api-Key:<X_SALT_API_KEY>",
        "--header",
        "X-Salt-App-Id:<X_SALT_APP_ID>"
      ]
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "salt": {
      "url": "https://mcp.saltapp.ai/mcp",
      "headers": {
        "Authorization": "<AUTHORIZATION>",
        "X-Salt-Api-Key": "<X_SALT_API_KEY>",
        "X-Salt-App-Id": "<X_SALT_APP_ID>"
      }
    }
  }
}

Environment variables

HOST
SALT_API_KEY
SALT_APP_ID
APP_PUBLIC_KEY
APP_PRIVATE_KEY
PGP_PASSPHRASE
WALLET_MASTER_KEY

Replace the placeholders with your own credentials and keep them out of version control.

Setup

Local

Remote

Environment variables

Related