{
  "data": {
    "tool": {
      "category": "email",
      "endpoint": "https://www.emailmd.dev/api/mcp",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/emailmd.json",
      "kind": "mcp",
      "listed": "indexed",
      "liveUrl": "https://www.anchorterminal.com/api/v1/live/emailmd.json",
      "markdownUrl": "https://www.anchorterminal.com/tools/emailmd.md",
      "mcpTools": {
        "check": {
          "checker": "anchor-check/1.0",
          "totalTokens": 647,
          "counts": {
            "error": 0,
            "note": 1,
            "warn": 3
          },
          "findings": [
            {
              "rule": "TC16",
              "severity": "warn",
              "tool": "lint",
              "message": "no readOnlyHint or destructiveHint",
              "fix": "Its name starts with \"lint\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
            },
            {
              "rule": "TC16",
              "severity": "warn",
              "tool": "read_docs",
              "message": "no readOnlyHint or destructiveHint",
              "fix": "Its name starts with \"read\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
            },
            {
              "rule": "TC16",
              "severity": "warn",
              "tool": "render",
              "message": "no readOnlyHint or destructiveHint",
              "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
            },
            {
              "rule": "TC24",
              "severity": "note",
              "message": "3 of 3 tools have no outputSchema",
              "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
            }
          ]
        },
        "checkedAt": "2026-10-04T22:24:47Z",
        "count": 3,
        "schemaTokens": 647,
        "status": "ok",
        "tools": [
          {
            "name": "render",
            "title": "Render an email",
            "description": "Render emailmd markdown into email-safe HTML. Returns html (the complete email document), text (the plain-text MIME part), meta (frontmatter), warnings (non-fatal repairs made while rendering; aim for none), htmlBytes, and previewUrl (a live browser preview of this exact document to share with the user).",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "properties": {
                "markdown": {
                  "description": "The emailmd markdown document, optionally starting with YAML frontmatter.",
                  "maxLength": 262144,
                  "type": "string"
                },
                "minify": {
                  "description": "Minify the HTML. Recommended for sending; helps stay under Gmail's 102KB clip limit.",
                  "type": "boolean"
                },
                "partials": {
                  "additionalProperties": {
                    "maxLength": 262144,
                    "type": "string"
                  },
                  "description": "Named markdown partials spliced in wherever the document says \"::: include \u003cname\u003e\".",
                  "propertyNames": {
                    "maxLength": 200,
                    "type": "string"
                  },
                  "type": "object"
                }
              },
              "required": [
                "markdown"
              ],
              "type": "object"
            }
          },
          {
            "name": "lint",
            "title": "Lint an email",
            "description": "Check emailmd markdown for deliverability, accessibility, and readability problems without rendering it: missing alt text, http:// links, Gmail's 102KB clip limit, generic link text, spam-trigger phrases, and more. Fix warnings before sending; suggestions are sometimes intentional (e.g. transactional emails without an unsubscribe link).",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "properties": {
                "markdown": {
                  "description": "The emailmd markdown document, optionally starting with YAML frontmatter.",
                  "maxLength": 262144,
                  "type": "string"
                },
                "partials": {
                  "additionalProperties": {
                    "maxLength": 262144,
                    "type": "string"
                  },
                  "description": "Named markdown partials spliced in wherever the document says \"::: include \u003cname\u003e\".",
                  "propertyNames": {
                    "maxLength": 200,
                    "type": "string"
                  },
                  "type": "object"
                }
              },
              "required": [
                "markdown"
              ],
              "type": "object"
            }
          },
          {
            "name": "read_docs",
            "title": "Read emailmd docs",
            "description": "Fetch emailmd documentation from emailmd.dev. Call with no arguments for the index of all pages; pass page to read one (e.g. 'buttons', 'frontmatter', 'theme', 'directives/hero'). Read the relevant page before using syntax you are not sure about.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "properties": {
                "page": {
                  "description": "Docs page path, e.g. 'buttons' or 'directives/hero'. Omit for the index.",
                  "maxLength": 200,
                  "pattern": "^[a-z0-9][a-z0-9/-]*$",
                  "type": "string"
                }
              },
              "type": "object"
            }
          }
        ]
      },
      "name": "emailmd",
      "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
      "packages": [
        {
          "registryType": "npm",
          "identifier": "emailmd",
          "version": "0.11.1",
          "transport": "stdio"
        }
      ],
      "pageJsonUrl": "https://www.anchorterminal.com/tools/emailmd.json",
      "popularity": {
        "githubStars": 1381,
        "npmWeekly": 9286
      },
      "registryName": "dev.emailmd/emailmd",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://www.emailmd.dev/api/mcp"
        }
      ],
      "repository": "https://github.com/anypost/emailmd",
      "reviewed": false,
      "slug": "emailmd",
      "source": "the official MCP registry",
      "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=dev.emailmd/emailmd",
      "summary": "Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.",
      "updatedAt": "2026-10-02T16:57:35Z",
      "url": "https://www.anchorterminal.com/tools/emailmd",
      "vendor": "emailmd.dev",
      "vendorUrl": "https://emailmd.dev",
      "version": "0.11.1",
      "websiteUrl": "",
      "where": "both",
      "why": [
        "vendor",
        "popular"
      ]
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/tools/emailmd",
    "json": "https://www.anchorterminal.com/tools/emailmd.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/tools/emailmd.md",
    "slim": "https://www.anchorterminal.com/tools/emailmd.min.md"
  },
  "markdown": "# emailmd\n\n\u003e Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/\n\n- Kind: MCP server, by emailmd.dev (https://emailmd.dev)\n- Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md)\n- Listed because: It's published in the registry under emailmd.dev, a namespace the registry only gives to whoever proves they control that domain. It's in real use: 9,286 npm downloads a week, 1,381 GitHub stars.\n- What the official MCP registry says: Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.\n\n## Facts\n\n- MCP registry: `dev.emailmd/emailmd` 0.11.1\n- Endpoint: https://www.emailmd.dev/api/mcp (streamable HTTP)\n- Package: npm `emailmd` (stdio)\n- Source: https://github.com/anypost/emailmd\n- npm downloads a week: 9,286\n- GitHub stars: 1,381\n- Registry entry updated: 2026-10-02\n\n## Tools\n\n- Tools it lists (3, about 647 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:24 UTC):\n  - `render`: Render emailmd markdown into email-safe HTML. Returns html (the complete email document), text (the plain-text MIME part), meta (frontmatter), warnings…\n  - `lint`: Check emailmd markdown for deliverability, accessibility, and readability problems without rendering it: missing alt text, http:// links, Gmail's 102KB clip…\n  - `read_docs`: Fetch emailmd documentation from emailmd.dev. Call with no arguments for the index of all pages; pass page to read one (e.g. 'buttons', 'frontmatter', 'theme',…\n- How its tools read to an agent (0 errors, 3 warnings, 1 note, about 647 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):\n  - warn TC16 lint: no readOnlyHint or destructiveHint\n  - warn TC16 read_docs: no readOnlyHint or destructiveHint\n  - warn TC16 render: no readOnlyHint or destructiveHint\n  - note TC24 server: 3 of 3 tools have no outputSchema\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/emailmd.json\n- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming\n",
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-05",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "page": {
    "breadcrumbs": [
      {
        "name": "Home",
        "url": "https://www.anchorterminal.com/"
      },
      {
        "name": "Terminal",
        "url": "https://www.anchorterminal.com/tools/"
      },
      {
        "name": "Indexed",
        "url": "https://www.anchorterminal.com/indexed/"
      },
      {
        "name": "emailmd",
        "url": ""
      }
    ],
    "description": "emailmd, an MCP server by emailmd.dev, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.",
    "facts": [
      "not reviewed",
      "not ranked",
      "facts only"
    ],
    "h1": "emailmd",
    "image": "https://www.anchorterminal.com/assets/og/indexed.png",
    "path": "/tools/emailmd",
    "published": "",
    "section": "indexed",
    "title": "emailmd: MCP server, indexed from the official MCP registry",
    "toc": null,
    "updated": "2026-10-05",
    "url": "https://www.anchorterminal.com/tools/emailmd"
  },
  "tokens": {
    "markdown": 750,
    "slim": 680
  },
  "version": 1
}