A
licenseA
qualityB
maintenanceEnables real-time email verification via MCP tools, checking syntax, MX, disposable domains, and optional SMTP probe to determine deliverability with a VALID/RISKY/INVALID verdict.
2
13
MIT
Proof Inbox MCP
by timdoes
Provides a tool to retrieve payment receipts using a Stripe session ID.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@Proof Inbox MCPverify email address test@example.com"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Proof Inbox MCP
Public listing for Proof Inbox: prepaid email-verify credits for MCP agents (Grok Bot, Cursor, Claude, and any Streamable HTTP client).
Install: https://proofinbox.com/connect
Grok Bot form: https://proofinbox.com/grok-bot
Registry:
com.proofinbox/verifycursor.directory: https://cursor.directory/plugins/proof-inbox
Checkout: https://proofinbox.com/buy/verify-500 — $9 / 500 credits
The product app stays in a private repo. This repo exists so directories that scrape GitHub can find the hosted MCP.
Any MCP client
Point a Streamable HTTP client at https://mcp.proofinbox.com/mcp.
URL: https://mcp.proofinbox.com/mcp
Headers: Authorization: Bearer <workspace_token>Get the token from checkout. Reuse it. Never invent one.
Related MCP server: email-validator-api
Grok Bot
Settings → Plugins → add a custom MCP server (not the Marketplace catalog).
Name: Proof Inbox
URL: https://mcp.proofinbox.com/mcp
Headers: Authorization: Bearer <workspace_token>Get the token from checkout. Reuse it. Never invent one.
Tools
balance— tank check. Costs 0.verify_email— fresh check costs 1. Cache (30 days), syntax, and vendorunknowncost 0.receipts— checkout session id. Do not invent it.
On payment_required, open the returned checkout_url.
Directories
Smithery — live as
proofinbox/verifycursor.directory — live as
proof-inbox
This server cannot be installed
Maintenance
1Releases (12mo)
Commit activity
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Related MCP Servers
- FlicenseNot gradedqualityDmaintenanceComprehensive email validation MCP server that checks syntax, MX records, disposable domains, role-based accounts, SPF/DKIM, typo suggestions, and risk scoring.
- FlicenseNot gradedqualityCmaintenanceAn MCP server that provides email verification, returning valid, invalid, or risky status with detailed checks and metadata. It enables verifying email addresses via a simple tool interface.
- FlicenseNot gradedqualityCmaintenanceProvides email verification as an MCP tool, checking format, disposable domains, and mail server availability with structured results.
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