{"servers":[{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json","name":"io.github.iancollins27/mailsnail","description":"Send USPS letters, postcards & certified mail from any agent. No signup; pay-per-piece via Stripe.","repository":{"url":"https://github.com/iancollins27/mailsnail","source":"github"},"version":"0.6.0","websiteUrl":"https://mailsnail.dev","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"mailsnail","version":"0.6.0","transport":{"type":"stdio"},"environmentVariables":[{"description":"Where to mail from: 'managed' (default, no signup, pay-per-piece via Stripe), 'click2mail' (BYO account), or 'lob' (BYO key).","isRequired":true,"default":"managed","name":"MAIL_PROVIDER"},{"description":"Hosted Mailsnail backend. Required when MAIL_PROVIDER=managed.","default":"https://api.mailsnail.dev","name":"MAIL_API_BASE_URL"},{"description":"Click2Mail account username. Required when MAIL_PROVIDER=click2mail.","name":"CLICK2MAIL_USERNAME"},{"description":"Click2Mail account password. Required when MAIL_PROVIDER=click2mail.","isSecret":true,"name":"CLICK2MAIL_PASSWORD"},{"description":"Lob API key. Required when MAIL_PROVIDER=lob. test_* is free; live_* actually mails.","isSecret":true,"name":"LOB_API_KEY"},{"description":"Set to '1' to actually mail in BYOK modes. Default '0' is dry-run.","default":"0","name":"MAIL_MCP_ALLOW_LIVE"},{"description":"Per-session estimated spend cap. Server refuses sends past this.","default":"25","name":"MAIL_MCP_SPEND_CAP_USD"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-07-15T17:30:08.609852Z","publishedAt":"2026-07-15T17:30:08.609852Z","updatedAt":"2026-07-15T17:30:08.609852Z","isLatest":true}}}],"metadata":{"count":1}}