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BillionVerify

by BillionVerify · remote · local (npm) · no sign-in to list tools · v1.1.1 · published by GitHub user BillionVerify

Email verification for AI agents: verify single or bulk emails, check credits and history.

Deletes · 1Changes · 4
CompareRegistry entry

11 tools: 1 can delete or cancel things, 4 change things and 6 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http billionverify https://mcp.billionverify.com/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

11 tools

Deletes or cancels 1Claude Code: deny
  • delete_webhookPermanently delete a webhook endpoint by identifier.No findings

    Why it is in this group

    • The name "delete_webhook" says "delete": a word for removing or ending something.
    • The description says "Permanently delete".
    • The server marks it destructive (destructiveHint: true).
    Description, as the server wrote it
    Permanently delete a webhook endpoint by identifier. The endpoint stops receiving notifications immediately.

    Annotations the server declares

    • destructiveHint: true
    • idempotentHint: false
    • openWorldHint: false
    • readOnlyHint: false
    • title: Delete Webhook
Changes things 4Claude Code: ask
  • create_webhookCreate a webhook endpoint for verification lifecycle notifications.No findings

    Why it is in this group

    • The name "create_webhook" says "create": a word for a change.
    Description, as the server wrote it
    Create a webhook endpoint for verification lifecycle notifications.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
    • readOnlyHint: false
    • title: Create Webhook
  • health_checkCheck the health of the BillionVerify MCP server.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Check the health of the BillionVerify MCP server.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • readOnlyHint: true
    • title: Check Server Health
  • verify_batch_emailsVerify 1 to 50 email addresses in one request and return a verdict for each.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Verify 1 to 50 email addresses in one request and return a verdict for each. Split longer lists into chunks of 50. Uses credits from the connected BillionVerify account.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
    • readOnlyHint: false
    • title: Verify Email Addresses in Batch
  • verify_single_emailVerify whether a single email address can receive mail.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Verify whether a single email address can receive mail. Checks syntax and the domain's mail servers, and optionally the mailbox over SMTP. Uses credits from the connected BillionVerify account.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
    • readOnlyHint: false
    • title: Verify Email Address
Only reads 6Claude Code: allow
  • get_account_balanceGet the current credit balance for the authenticated account.No findings

    Why it is in this group

    • The name "get_account_balance" says "get": a word for reading.
    Description, as the server wrote it
    Get the current credit balance for the authenticated account.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • readOnlyHint: true
    • title: Get Credit Balance
  • get_download_urlGet a signed download URL for completed results, or CSV content when filtered or rebuilt from history.No findings

    Why it is in this group

    • The name "get_download_url" says "get": a word for reading.
    Description, as the server wrote it
    Get a signed download URL for completed results, or CSV content when filtered or rebuilt from history.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • readOnlyHint: true
    • title: Get Verification Results Download
  • get_task_statusGet the current status of an asynchronous verification task.No findings

    Why it is in this group

    • The name "get_task_status" says "get": a word for reading.
    Description, as the server wrote it
    Get the current status of an asynchronous verification task.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • readOnlyHint: true
    • title: Get Verification Job Status
  • get_verification_historyList verification history for the authenticated account.No findings

    Why it is in this group

    • The name "get_verification_history" says "get": a word for reading.
    Description, as the server wrote it
    List verification history for the authenticated account.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • readOnlyHint: true
    • title: List Verification History
  • get_verification_statsGet aggregated verification statistics for the authenticated account.No findings

    Why it is in this group

    • The name "get_verification_stats" says "get": a word for reading.
    Description, as the server wrote it
    Get aggregated verification statistics for the authenticated account.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • readOnlyHint: true
    • title: Get Verification Statistics
  • list_webhooksList all webhook endpoints configured for the authenticated account.No findings

    Why it is in this group

    • The name "list_webhooks" says "list": a word for reading.
    Description, as the server wrote it
    List all webhook endpoints configured for the authenticated account.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • readOnlyHint: true
    • title: List Webhooks

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.1.1. Values in angle brackets are yours to fill in.

claude mcp add --transport http billionverify https://mcp.billionverify.com/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__billionverify__get_account_balance",
      "mcp__billionverify__get_download_url",
      "mcp__billionverify__get_task_status",
      "mcp__billionverify__get_verification_history",
      "mcp__billionverify__get_verification_stats",
      "mcp__billionverify__list_webhooks"
    ],
    "ask": [
      "mcp__billionverify__create_webhook",
      "mcp__billionverify__health_check",
      "mcp__billionverify__verify_batch_emails",
      "mcp__billionverify__verify_single_email"
    ],
    "deny": [
      "mcp__billionverify__delete_webhook"
    ]
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as billionverify. Review it before you use it.