Matrix / Email Verification / ZeroBounce

ZeroBounce MCP server

Email Verification · local · Local · Docs checked 2026-10-15

ZeroBounce has an official local MCP server (Local stdio (npm @zerobounce/mcp)). Auth: API key. Agents can use: validate_email, validate_batch, find_email.

Works in: Cursor
Access: Read + write
Credits: Credits not confirmed
Plan: Not confirmed
Useful for: SDRs, RevOps

ZeroBounce MCP endpoint and transport

No hosted endpoint URL. Transport: Local stdio (npm @zerobounce/mcp).

Transport: Local stdio (npm @zerobounce/mcp)
Docs: Official ZeroBounce MCP docs

Connect ZeroBounce without code

This listing runs on your own computer, so it can't be added to a chat app like Claude or ChatGPT.

From ZeroBounce's docs: The npm package (@zerobounce/mcp) is configured locally in claude_desktop_config.json, Cursor, VS Code (MCP extension), Continue or Zed with --api-key. Claude web/desktop custom connectors instead use a separate hosted OAuth connector at https://oauth-mcp.zerobounce.net/mcp (you paste your API key on ZeroBounce's connect page). On Claude Team/Enterprise only an Owner or Primary Owner can add it.Source: zerobounce.net, checked 2026-10-16

Developer setup (Claude Code, Cursor)

This server runs locally. Install it as described in the official ZeroBounce MCP docs (Local stdio (npm @zerobounce/mcp)), then register it as a stdio server in Claude Code or Cursor.

ZeroBounce MCP authentication

API key

Paste an API key from the vendor's settings into the config (header or URL). There's no browser login, so it works well headless.

What it can change

Read + write Some ZeroBounce MCP tools change data, not just read it.

Things it can do in your ZeroBounce account:

uploads CSV files to your ZeroBounce account for bulk validation or AI scoring
deletes bulk validation and AI scoring files from your account

Source: zerobounce.net, checked 2026-10-16

Review each change before you approve it, especially anything that sends messages or edits records other people rely on.

Cost and credits

Not confirmed ZeroBounce's docs don't say whether MCP calls use credits or paid usage.

Plan required

Not confirmed ZeroBounce's docs don't name a minimum plan for the MCP server.

Admin and governance

Controls ZeroBounce itself provides. Settings inside Claude or ChatGPT aren't counted here.

An admin must approve or enable the connectionNot confirmed
Scopes or permissions can limit what it reachesNot confirmed
Individual tools can be turned offNot confirmed
MCP activity shows in an audit logNot confirmed

What the ZeroBounce MCP server can do

validate_email
validate_batch
find_email
domain_search
get_activity_data
AI scoring (bulk)

ZeroBounce MCP status

Local No hosted endpoint to probe. See all endpoint status.

ZeroBounce MCP FAQ

What is the ZeroBounce MCP server URL?

There's no hosted URL listed. Transport: Local stdio (npm @zerobounce/mcp).

How does ZeroBounce MCP authenticate?

API key.

Does ZeroBounce MCP work with Claude and Cursor?

Any MCP client that can launch a local stdio server can use it, including Claude Code and Cursor.

Can the ZeroBounce MCP server change my data?

Yes. Some tools change data, for example: uploads CSV files to your ZeroBounce account for bulk validation or AI scoring, deletes bulk validation and AI scoring files from your account. Review each change before you approve it.

Is the ZeroBounce MCP server official?

Yes. It's documented on zerobounce.net, last checked 2026-10-15.

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