MailTester Email Verification
Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
使うべきか
品質と安全性
ツール定義とプロトコルへの準拠に関する自動分析に基づいています。
コンテキストコスト
これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。
インストール
ワンクリックインストール
これを `claude_desktop_config.json` ファイルに追加してください:
{
"mcpServers": {
"email-verification": {
"url": "https://app.mailtester.com/mcp"
}
}
}リモートエンドポイント
https://app.mailtester.com/mcpstreamable-httpできること
ツール一覧
ツール（9）
🟢get_api_key(name, purpose, contact)
Get a free API key for this server (no account needed; 25 email verifications per day). Returns the key once — reconnect with 'Authorization: Bearer <api_key>' to use the other tools.
入力スキーマ
{
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "Your agent's name."
},
"purpose": {
"type": "string",
"description": "What you verify emails for."
},
"contact": {
"type": "string",
"description": "Optional operator email or URL."
}
}
}🟢get_credit_balance
Get the current credit balance and a short usage summary for the account.
入力スキーマ
{
"type": "object",
"properties": {},
"required": []
}🟢list_lists(limit)
List the user's bulk verification lists/jobs, most recent first.
入力スキーマ
{
"type": "object",
"properties": {
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 100,
"default": 25,
"description": "Maximum number of lists to return."
}
},
"required": []
}🟢get_list(list_id)
Get the details of a single bulk verification list by its id.
入力スキーマ
{
"type": "object",
"properties": {
"list_id": {
"type": "integer",
"description": "The id of the bulk verification list."
}
},
"required": [
"list_id"
]
}🟡explain_result(term)
Explain what a verification status or reason means in plain English, with a send recommendation. Covers valid, invalid, catch-all/accept-all, unknown, greylisted, disposable, role, free, spam-trap, abuse, do-not-mail, no-mx, disabled, and network. Use when a user asks what a result means.
入力スキーマ
{
"type": "object",
"properties": {
"term": {
"type": "string",
"description": "The status/reason to explain, e.g. 'catch-all', 'GREYLISTED', 'unknown', 'role'. Case-insensitive."
}
},
"required": [
"term"
]
}⚪verify_email(email)
Verify the deliverability of a single email address. Returns a verdict (valid, invalid, risky, unknown). Costs 1 credit.
入力スキーマ
{
"type": "object",
"properties": {
"email": {
"type": "string",
"description": "The email address to verify."
}
},
"required": [
"email"
]
}⚪verify_batch(emails, name)
Verify a batch of email addresses (up to 25 per call with an agent key). Returns per-email verdicts and saves a list. Costs 1 credit per email.
入力スキーマ
{
"type": "object",
"properties": {
"emails": {
"type": "array",
"items": {
"type": "string"
},
"description": "Email addresses to verify."
},
"name": {
"type": "string",
"description": "Optional label for the saved list."
}
},
"required": [
"emails"
]
}🟢estimate_cost(emails, list_id, operation)
Estimate the credit cost of a verification before running it, and whether the user can afford it. Provide either a count of emails, a list_id to re-verify, or an operation ('single'/'finder'). Always quote this before proposing anything billable.
入力スキーマ
{
"type": "object",
"properties": {
"emails": {
"type": "integer",
"description": "Number of emails to verify (1 credit each)."
},
"list_id": {
"type": "integer",
"description": "Estimate re-verifying an existing list by its id."
},
"operation": {
"type": "string",
"enum": [
"bulk",
"single",
"finder"
],
"default": "bulk",
"description": "Operation type: bulk/single (1 credit) or finder (3 credits)."
}
}
}🟢get_batch_status(list_id)
Get the progress and status of a bulk verification list/job by id.
入力スキーマ
{
"type": "object",
"properties": {
"list_id": {
"type": "integer"
}
},
"required": [
"list_id"
]
}コミュニティ
エビデンス