# Email List Validation Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## Email List Validation

Verify email addresses to check if they're valid, risky, or disposable before sending.

- Record: https://musedirectory.ai/connector/email-list-validation
- Category: Marketing & Ads
- Developer: Email List Validation (https://app.emaillistvalidation.com/agent-gateway)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Down, checked 2026-10-29T11:00:57Z
- Endpoint: https://app.emaillistvalidation.com/mcp
- Auth: No account needed; Pricing: unknown
- Screening: Screened, no issues found (2026-10-29T00:36:24Z)
- Source: Found in the official MCP Registry (com.emaillistvalidation/email-verification) https://registry.modelcontextprotocol.io/v0/servers?search=com.emaillistvalidation%2Femail-verification

Connects to Email List Validation to verify single emails or bulk lists. Checks deliverability, detects catch-all addresses, disposable emails, and spam traps. Helps marketers and businesses avoid bounces and maintain sender reputation.

Example request: "Check if the emails on my signup list are real before I send my newsletter."

How to connect: Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Email List Validation to help me. It is a free service with an MCP server at https://app.emaillistvalidation.com/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.

Tools:
- get_api_key: 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.
- get_credit_balance: Get the current credit balance and a short usage summary for the account.
- list_lists: List the user's bulk verification lists/jobs, most recent first.
- get_list: Get the details of a single bulk verification list by its id.
- explain_result: 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 resu
- verify_email: Verify the deliverability of a single email address. Returns a verdict (valid, invalid, risky, unknown). Costs 1 credit.
- verify_batch: Verify a batch of email addresses (up to 2000). Returns verdict counts and saves a list. Costs 1 credit per email.
- estimate_cost: 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.
- get_batch_status: Get the progress and status of a bulk verification list/job by id.

Screening checks:
- MCP handshake: pass (Answered in 1038ms)
- Domain against threat feeds (Cloudflare security DNS): pass (app.emaillistvalidation.com not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: pass (9 tools read, nothing found)
- Inputs asking for passwords, card numbers or seed phrases: pass (None found)
- Domain and redirects: pass (Domain registered 3270 days ago)
- AI review of purpose and tool behavior: pass (No concerns)