{
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        "check": {
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          "totalTokens": 1061,
          "counts": {
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            "note": 1,
            "warn": 6
          },
          "findings": [
            {
              "rule": "TC16",
              "severity": "warn",
              "tool": "find_email",
              "message": "no readOnlyHint or destructiveHint",
              "fix": "Its name starts with \"find\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
            },
            {
              "rule": "TC16",
              "severity": "warn",
              "tool": "find_emails",
              "message": "no readOnlyHint or destructiveHint",
              "fix": "Its name starts with \"find\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
            },
            {
              "rule": "TC16",
              "severity": "warn",
              "tool": "get_credits",
              "message": "no readOnlyHint or destructiveHint",
              "fix": "Its name starts with \"get\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
            },
            {
              "rule": "TC16",
              "severity": "warn",
              "tool": "get_job",
              "message": "no readOnlyHint or destructiveHint",
              "fix": "Its name starts with \"get\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
            },
            {
              "rule": "TC16",
              "severity": "warn",
              "tool": "verify_email",
              "message": "no readOnlyHint or destructiveHint",
              "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
            },
            {
              "rule": "TC16",
              "severity": "warn",
              "tool": "verify_emails",
              "message": "no readOnlyHint or destructiveHint",
              "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
            },
            {
              "rule": "TC24",
              "severity": "note",
              "message": "6 of 6 tools have no outputSchema",
              "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
            }
          ]
        },
        "checkedAt": "2026-10-04T22:20:58Z",
        "count": 6,
        "schemaTokens": 1061,
        "status": "ok",
        "tools": [
          {
            "name": "verify_email",
            "description": "Verify whether ONE email address is deliverable. Checks syntax, MX, SMTP, catch-all, disposable, free-provider and role detection, and returns a 0-100 quality score. Charges 1 Fox Credit per uncached email.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "email": {
                  "description": "Email address to verify",
                  "format": "email",
                  "type": "string"
                },
                "proxy": {
                  "description": "Use a SOCKS5 proxy for the SMTP check",
                  "type": "boolean"
                }
              },
              "required": [
                "email"
              ],
              "type": "object"
            }
          },
          {
            "name": "verify_emails",
            "description": "Bulk-verify a LIST of email addresses. Submits the whole list, waits for completion, and returns one result per email (same fields as verify_email). Best for cleaning lead lists. Charges 1 Fox Credit per email. Large lists that don't finish quickly return a jobId to poll with get_job.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "emails": {
                  "description": "Email addresses to verify",
                  "items": {
                    "format": "email",
                    "type": "string"
                  },
                  "maxItems": 100000,
                  "minItems": 1,
                  "type": "array"
                },
                "wait": {
                  "description": "Wait for results in this call (default true). Set false to just get a jobId.",
                  "type": "boolean"
                }
              },
              "required": [
                "emails"
              ],
              "type": "object"
            }
          },
          {
            "name": "find_email",
            "description": "Find ONE person's business email from their name and company domain. Generates ~50 permutations and SMTP-verifies each, waits for the result, and returns the best match (or not_found). Charges 10 Fox Credits per find.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "domain": {
                  "description": "Company domain, e.g. stripe.com",
                  "type": "string"
                },
                "first_name": {
                  "description": "Person's first name",
                  "type": "string"
                },
                "last_name": {
                  "description": "Person's last name",
                  "type": "string"
                },
                "middle_name": {
                  "description": "Optional middle name for more permutations",
                  "type": "string"
                }
              },
              "required": [
                "first_name",
                "last_name",
                "domain"
              ],
              "type": "object"
            }
          },
          {
            "name": "find_emails",
            "description": "Bulk-find business emails for a LIST of contacts (name + company domain each). Submits the list, waits for completion, and returns the found email per contact. Up to 1000 contacts. Charges 10 Fox Credits per contact. Large lists that don't finish quickly return a jobId to poll with get_job.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "contacts": {
                  "description": "Contacts to find emails for",
                  "items": {
                    "additionalProperties": false,
                    "properties": {
                      "domain": {
                        "description": "Company domain",
                        "type": "string"
                      },
                      "first_name": {
                        "type": "string"
                      },
                      "last_name": {
                        "type": "string"
                      },
                      "middle_name": {
                        "type": "string"
                      },
                      "name": {
                        "description": "Full name (alternative to first_name/last_name)",
                        "type": "string"
                      }
                    },
                    "required": [
                      "domain"
                    ],
                    "type": "object"
                  },
                  "maxItems": 1000,
                  "minItems": 1,
                  "type": "array"
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                "wait": {
                  "description": "Wait for results in this call (default true)",
                  "type": "boolean"
                }
              },
              "required": [
                "contacts"
              ],
              "type": "object"
            }
          },
          {
            "name": "get_credits",
            "description": "Get the current Fox Credit balance for the Verifox account tied to the API key. Free — no credits charged. Use it to check remaining balance before a big verify/find run (verify = 1 credit/email, find = 10 credits/contact).",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "properties": {},
              "type": "object"
            }
          },
          {
            "name": "get_job",
            "description": "Check an async job started by verify_emails, find_email, or find_emails. Returns results if finished, otherwise the current status. Use the type shown in the submitting tool's response.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "job_id": {
                  "description": "Job ID from verify_emails / find_email / find_emails",
                  "type": "string"
                },
                "type": {
                  "description": "Job type: verify_bulk, find_single, or find_bulk",
                  "enum": [
                    "verify_bulk",
                    "find_single",
                    "find_bulk"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "job_id",
                "type"
              ],
              "type": "object"
            }
          }
        ]
      },
      "name": "email-verifier",
      "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
      "packages": [
        {
          "registryType": "npm",
          "identifier": "verifox-mcp",
          "version": "1.2.1",
          "transport": "stdio"
        }
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      "popularity": {
        "githubStars": 0,
        "npmWeekly": 39
      },
      "registryName": "ai.verifox/email-verifier",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.verifox.ai/mcp"
        }
      ],
      "repository": "https://github.com/verifoxturnix1/verifox-mcp",
      "reviewed": false,
      "slug": "verifox-email-verifier",
      "source": "the official MCP registry",
      "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=ai.verifox/email-verifier",
      "summary": "Verify email deliverability \u0026 find business emails (single or bulk) via the Verifox API.",
      "updatedAt": "2026-07-22T10:38:59Z",
      "url": "https://www.anchorterminal.com/tools/verifox-email-verifier",
      "vendor": "verifox.ai",
      "vendorUrl": "https://verifox.ai",
      "version": "1.2.1",
      "websiteUrl": "https://verifox.ai",
      "where": "both",
      "why": [
        "vendor"
      ]
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/tools/verifox-email-verifier",
    "json": "https://www.anchorterminal.com/tools/verifox-email-verifier.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/tools/verifox-email-verifier.md",
    "slim": "https://www.anchorterminal.com/tools/verifox-email-verifier.min.md"
  },
  "markdown": "# email-verifier\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 verifox.ai (https://verifox.ai)\n- Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md)\n- Listed because: It's published in the registry under verifox.ai, a namespace the registry only gives to whoever proves they control that domain.\n- What the official MCP registry says: Verify email deliverability \u0026 find business emails (single or bulk) via the Verifox API.\n\n## Facts\n\n- MCP registry: `ai.verifox/email-verifier` 1.2.1\n- Endpoint: https://mcp.verifox.ai/mcp (streamable HTTP)\n- Package: npm `verifox-mcp` (stdio)\n- Source: https://github.com/verifoxturnix1/verifox-mcp\n- Website: https://verifox.ai\n- npm downloads a week: 39\n- GitHub stars: 0\n- Registry entry updated: 2026-07-22\n\n## Tools\n\n- Tools it lists (6, about 1,061 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:20 UTC):\n  - `verify_email`: Verify whether ONE email address is deliverable. Checks syntax, MX, SMTP, catch-all, disposable, free-provider and role detection, and returns a 0-100 quality…\n  - `verify_emails`: Bulk-verify a LIST of email addresses. Submits the whole list, waits for completion, and returns one result per email (same fields as verify_email). Best for…\n  - `find_email`: Find ONE person's business email from their name and company domain. Generates ~50 permutations and SMTP-verifies each, waits for the result, and returns the…\n  - `find_emails`: Bulk-find business emails for a LIST of contacts (name + company domain each). Submits the list, waits for completion, and returns the found email per contact.…\n  - `get_credits`: Get the current Fox Credit balance for the Verifox account tied to the API key. Free — no credits charged. Use it to check remaining balance before a big…\n  - `get_job`: Check an async job started by verify_emails, find_email, or find_emails. Returns results if finished, otherwise the current status. Use the type shown in the…\n- How its tools read to an agent (0 errors, 6 warnings, 1 note, about 1,061 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):\n  - warn TC16 find_email: no readOnlyHint or destructiveHint\n  - warn TC16 find_emails: no readOnlyHint or destructiveHint\n  - warn TC16 get_credits: no readOnlyHint or destructiveHint\n  - warn TC16 get_job: no readOnlyHint or destructiveHint\n  - warn TC16 verify_email: no readOnlyHint or destructiveHint\n  - warn TC16 verify_emails: no readOnlyHint or destructiveHint\n  - note TC24 server: 6 of 6 tools have no outputSchema\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/verifox-email-verifier.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": "2026-10-04",
    "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": {
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      {
        "name": "Terminal",
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      {
        "name": "Indexed",
        "url": "https://www.anchorterminal.com/indexed/"
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      {
        "name": "email-verifier",
        "url": ""
      }
    ],
    "description": "email-verifier, an MCP server by verifox.ai, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Verify email deliverability \u0026 find business emails (single or bulk) via the Verifox API.",
    "facts": [
      "not reviewed",
      "not ranked",
      "facts only"
    ],
    "h1": "email-verifier",
    "image": "https://www.anchorterminal.com/assets/og/indexed.png",
    "path": "/tools/verifox-email-verifier",
    "published": "",
    "section": "indexed",
    "title": "email-verifier: MCP server, indexed from the official MCP registry",
    "toc": null,
    "updated": "2026-10-04",
    "url": "https://www.anchorterminal.com/tools/verifox-email-verifier"
  },
  "tokens": {
    "markdown": 950,
    "slim": 880
  },
  "version": 1
}