lettermint.co

{
  "name": "search_knowledge_base",
  "kind": "answer",
  "impl": "imperative",
  "description": "Search the Lettermint knowledge base (help articles about the transactional email service: sending, deliverability, domains, DNS, API, account). Returns matching articles with title, category, URL and excerpt.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "query": {
        "type": "string",
        "description": "Search keywords, e.g. \"SPF record\" or \"API key\""
      }
    },
    "required": [
      "query"
    ]
  }
}

{
  "name": "estimate_pricing",
  "kind": "answer",
  "impl": "imperative",
  "description": "Estimate the monthly cost of sending transactional email with Lettermint. Returns the price in EUR for each plan (Starter, Growth, Pro) at the given volume, the recommended plan, and the rate for extra emails.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "emails_per_month": {
        "type": "number",
        "description": "Expected number of emails sent per month, e.g. 50000"
      }
    },
    "required": [
      "emails_per_month"
    ]
  }
}

{
  "name": "get_latest_changelog",
  "kind": "answer",
  "impl": "imperative",
  "description": "Get the most recent Lettermint product updates from the changelog, newest first. Returns title, description, publication date and URL per update.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "limit": {
        "type": "number",
        "description": "Number of updates to return, 1-10 (default 5)"
      }
    }
  }
}

{
  "name": "get_latest_blog_posts",
  "kind": "answer",
  "impl": "imperative",
  "description": "Get the most recent posts from the Lettermint blog (articles about transactional email, deliverability and the product), newest first. Returns title, description, publication date and URL per post.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "limit": {
        "type": "number",
        "description": "Number of posts to return, 1-10 (default 5)"
      }
    }
  }
}

{
  "name": "get_roadmap",
  "kind": "answer",
  "impl": "imperative",
  "description": "Get the Lettermint product roadmap: features that are planned, in progress or done. Optionally filter by status. Returns title, description, status, category and URL per item.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "status": {
        "type": "string",
        "enum": [
          "planned",
          "in_progress",
          "done"
        ],
        "description": "Only return items with this status (default: all, in progress first)"
      }
    }
  }
}

{
  "name": "get_time_to_inbox",
  "kind": "answer",
  "impl": "imperative",
  "description": "Get live Time to Inbox (TTI) measurements for email sent through Lettermint: seconds from API call until the message is visible in the inbox at Gmail, Outlook, Yahoo, iCloud, Proton Mail, AOL, GMX and Zoho. Returns latest, 24-hour average, median and 90th percentile per provider. Unlike \"delivery time\" figures that stop at server acceptance, TTI covers the whole flow including provider spam checks and inbox placement.",
  "inputSchema": {
    "type": "object",
    "properties": {}
  }
}