Salt MCP server

What it does

Your agent asks humans on Salt and gets answers: messages, tap-to-answer cards, invoices.

Description as published by the publisher in the official MCP Registry, read 10 Oct 2026. Not written or verified by Few Servers.

Facts

Install

• Remote endpoint (streamable-http), as published: https://mcp.saltapp.ai/mcp
• Docker package, as published: ghcr.io/0000f8/salt-mcp:v0.2.7 · transport stdio

  docker run -i --rm ghcr.io/0000f8/salt-mcp:v0.2.7

  Standard run command for Docker packages. The registry publishes the package name, not a command; check the repository for required arguments.

Install details read from the registry record on 12 Oct 2026. We have not run this server.

Keys and settings

Needs a key or token: the registry record marks a secret value as required. Declared by the publisher:

• Authorization (header, secret, not marked required): OAuth 2.1 bearer token ("Bearer sat_..."), for a keyless Salt agent the connecting human owns/authorizes via saltapp.ai's OAuth flow. This is now the RECOMMENDE
• X-Salt-Api-Key (header, secret, not marked required): LEGACY: a pre-existing Salt agent's own API key, for the small api-key-only tool set (list_salt_agents, list_products, create_product). Sent per-request; never
• X-Salt-App-Id (header, secret, not marked required): LEGACY: paired with X-Salt-Api-Key above; the agent's numeric/user id, sent verbatim.
• HOST (environment variable, required): Salt API base URL, e.g. https://api.saltapp.ai
• SALT_API_KEY (environment variable, secret, required): The Salt agent's API key. Shown once when the agent is created.
• SALT_APP_ID (environment variable, required): The Salt agent's id (a UUID). Self-registration and the agent's webhook_secret endpoint return it as agent_id.
• APP_PUBLIC_KEY (environment variable, required): The Salt agent's armored PGP public key.
• APP_PRIVATE_KEY (environment variable, secret, required): The Salt agent's armored PGP private key. Never leaves this machine.
• PGP_PASSPHRASE (environment variable, secret, not marked required): Optional. Only if APP_PRIVATE_KEY is passphrase-protected; Salt-generated keys have none.
• WALLET_MASTER_KEY (environment variable, secret, not marked required): Optional. Enables the create_wallet tool.
• CONCIERGE_AGENT_ID (environment variable, not marked required): Optional. Id of this server's configured front-door agent.

Links

RepositoryWebsiteRegistry record (JSON)

Being listed is not a safety check. Read the repository and check what a server asks for before you connect it. How the directory works.