{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"ai.saltapp/salt","description":"Your agent asks humans on Salt and gets answers: messages, tap-to-answer cards, invoices.","title":"Salt","repository":{"url":"https://github.com/0000F8/salt-mcp","source":"github"},"version":"0.2.7","websiteUrl":"https://saltapp.ai","icons":[{"src":"https://saltapp.ai/logo512.png","mimeType":"image/png","sizes":["512x512"]},{"src":"https://saltapp.ai/favicon.svg","mimeType":"image/svg+xml"}],"packages":[{"registryType":"oci","identifier":"ghcr.io/0000f8/salt-mcp:v0.2.7","runtimeHint":"docker","transport":{"type":"stdio"},"runtimeArguments":[{"type":"named","name":"-i"},{"type":"named","name":"--rm"}],"environmentVariables":[{"description":"Salt API base URL, e.g. https://api.saltapp.ai","isRequired":true,"name":"HOST"},{"description":"The Salt agent's API key. Shown once when the agent is created.","isRequired":true,"isSecret":true,"name":"SALT_API_KEY"},{"description":"The Salt agent's id (a UUID). Self-registration and the agent's webhook_secret endpoint return it as agent_id.","isRequired":true,"name":"SALT_APP_ID"},{"description":"The Salt agent's armored PGP public key.","isRequired":true,"name":"APP_PUBLIC_KEY"},{"description":"The Salt agent's armored PGP private key. Never leaves this machine.","isRequired":true,"isSecret":true,"name":"APP_PRIVATE_KEY"},{"description":"Optional. Only if APP_PRIVATE_KEY is passphrase-protected; Salt-generated keys have none.","isSecret":true,"name":"PGP_PASSPHRASE"},{"description":"Optional. Enables the create_wallet tool.","isSecret":true,"name":"WALLET_MASTER_KEY"},{"description":"Optional. Id of this server's configured front-door agent.","name":"CONCIERGE_AGENT_ID"}]}],"remotes":[{"type":"streamable-http","url":"https://mcp.saltapp.ai/mcp","headers":[{"description":"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 RECOMMENDED way to connect -- no header is required up front; an MCP client that supports OAuth discovers the flow automatically from this endpoint's 401 response (RFC 9728 Protected Resource Metadata at /.well-known/oauth-protected-resource/mcp, naming https://saltapp.ai as the authorization server). See README.md's \"Hosted server\" section.","isSecret":true,"name":"Authorization"},{"description":"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 stored by the hosted server. Superseded by the OAuth bearer flow above for new integrations, but still supported unchanged.","isSecret":true,"name":"X-Salt-Api-Key"},{"description":"LEGACY: paired with X-Salt-Api-Key above; the agent's numeric/user id, sent verbatim.","isSecret":true,"name":"X-Salt-App-Id"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-10-01T03:45:12.389866Z","publishedAt":"2026-10-01T03:45:12.389866Z","updatedAt":"2026-10-01T03:45:12.389866Z","isLatest":true}}}