SimpleVerifier MCP server
A remote Model Context Protocol server that gives ChatGPT, Claude, Cursor, VS Code and other MCP clients email and phone checks as tools.
- Endpoint:
https://simpleverifier.com/api/mcp(Streamable HTTP) - Auth: OAuth sign-in (ChatGPT, claude.ai, Claude Code) or
Authorization: Bearer <API key> - Plan: MCP and API access need a SimpleVerifier Pro, Business or Agency plan. Tool calls count against the plan's monthly API calls. Pricing
- Docs: https://simpleverifier.com/docs/mcp
This repo holds the registry manifest (server.json) and ready-to-copy client configs. The server itself is hosted; there is nothing to install or run.
Tools
Only valid means the mail server confirmed the mailbox. Anything unconfirmed (catch-all domains, providers that hide mailbox status, servers that don't answer) comes back risky.
Connect
Claude Code
claude mcp add --transport http simpleverifier https://simpleverifier.com/api/mcp
# then run /mcp inside a session to sign in, or pass a key:
claude mcp add --transport http simpleverifier https://simpleverifier.com/api/mcp --header "Authorization: Bearer YOUR_API_KEY"
ChatGPT and claude.ai: add a custom connector with the URL https://simpleverifier.com/api/mcp, choose OAuth, then sign in on the SimpleVerifier screen. Step-by-step: https://simpleverifier.com/docs/mcp
Cursor, VS Code, Claude Desktop, Windsurf: copy the matching file from configs/:
Create an API key at https://simpleverifier.com/api-keys. Keys start with sv_live_. Keep them out of shared config files and repositories.
Try it with curl
curl https://simpleverifier.com/api/mcp \
-H "Authorization: Bearer $SIMPLEVERIFIER_KEY" \
-H "Content-Type: application/json" \
-H "Accept: application/json, text/event-stream" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"verify_email","arguments":{"email":"[email protected]"}}}'
Related
- REST API: https://simpleverifier.com/docs/api
- SDKs: Node.js, Python, PHP, Go, Ruby
- Support: [email protected]
License
MIT for the files in this repo. The hosted service is covered by the SimpleVerifier terms.