Growth · alternatives · 2026
24 alternatives to Truelist MCP
Email validation for AI agents — hosted MCP, no keys
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
Remove hard bounces and email traps from your email lists
2016 · emaillistverify.com · its alternatives →
- 2
The first free and accurate email verification service
2020 · gmass.co · its alternatives →
- 3
Find emails for any website the 2023 way (with AI of course)
2023 · chromewebstore.google.com · its alternatives →
- 4
Give AI agents access to real-time data across 200+ apps
May 2026 · apideck.com · its alternatives →
- 5
MailMolt▲93Give your AI agent its own verified email address — not access to yours. Send and receive via REST, SMTP, or MCP. Built for LangGraph, CrewAI, Mastra, Claude Code, Cursor. Human-in-the-loop approval, trust scores, GDPR-ready.
Feb 2026 · mailmolt.com · its alternatives →
- 6
Verify your email list and improve deliverability ✅
2018 · voilanorbert.com · its alternatives →
- 7
Find anyone's work email — verified, not guessed
Jul 2026 · truelist.io · its alternatives →
- 8
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API to MCP▲195Turn any API into an MCP server for AI agents
Jun 2026 · apitomcp.ai · its alternatives →
- 10
I wrote this JMAP MCP server that adds email management tools to Claude for searching, reading, and sending emails through FastMail and other JMAP providers in Deno!
2025 · github.com · its alternatives →
- 11
Simple email validation API for a $39 lifetime license
2021 · cloudlyn.com · its alternatives →
- 12
Cleanmails - Unlimited email verification
Jan 2026 · its alternatives →
- 13
Mailcheap▲123Email hosting, dedicated email servers, API-first platform
2018 · mailcheap.co · its alternatives →
- 14
The top tool for checking mail address authenticity
2023 · email-verifier.convertinsight.com · its alternatives →
- 15
Mailgent▲51Give your AI agent a real inbox, vault, calendar, and verifiable identity — plus a USDC wallet to pay for what it uses. One API.
Jun 2026 · mailgent.dev · its alternatives →
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Hi HN – Kristyna here. I built this free, online email validator and would love to share it with you. What it checks: - Syntax – Confirms correct proper email format. - Domain & DNS – Verifies the domain exists and resolves. - MX records – Verifies the domain can receive mail. - SMTP handshake (optional) – Checks the mail server accepts the recipient (no message is sent). - Disposable domains – Flags temporary inbox providers that can hurt deliverability lists. - Common typos – Catches mistakes and suggests fixes. How it works: Paste an email > click Validate > get a clear result with…
Feb 2026 · sidemail.io · its alternatives →
- 18
Validate email lists with reliable accuracy
Nov 2025 · sanitizeemail.com · its alternatives →
- 19
Affordable, accurate email-verification tool
Nov 2025 · verified.email · its alternatives →
- 20
Instant Email Verification – Real, Reachable & Secure
2025 · validate.email · its alternatives →
- 21
Mailerio▲30Keep your lists clean with email validation tool
2025 · mailerio.com · its alternatives →
- 22
Connect your physical mail directly to AI
Sep 2026 · docs.usglobalmail.com · its alternatives →
- 23
- 24
As AI agents autonomously write and deploy code, there's no standard for verifying that what they shipped actually satisfies business requirements. OQP is an attempt to define that standard. It's MCP-compatible and defines four core endpoints: - GET /capabilities — what can this agent verify? - GET /context/workflows — what are the business rules for this workflow? - POST /verification/execute — run a verification workflow - POST /verification/assess-risk — what is the risk of this change? The analogy we keep coming back to: what OpenAPI did for REST APIs,…
Apr 2026 · github.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →