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ParseBounce

ParseBounce MCP Server

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ParseBounce MCP Server

npm version License: MIT

An MCP server that gives AI assistants access to your email deliverability data — bounces, spam complaints, suppression lists, delivery stats and campaigns — across AWS SES, SendGrid, Mailgun, SparkPost, Postmark and Mandrill.

Ask Claude, Cursor or any MCP client things like:

"Why did our welcome emails bounce yesterday?" "Is support@acme.com on the suppression list?" "Compare our bounce rate this week against last week." "What's our Gmail delivery rate?"

Powered by ParseBounce — email bounce and complaint tracking for any email provider.

Quick start

Create an API key at parsebounce.com/dashboard/profile, then add this to your MCP client config:

{
  "mcpServers": {
    "parsebounce": {
      "command": "npx",
      "args": ["-y", "@parsebounce/mcp-server"],
      "env": {
        "PARSEBOUNCE_API_KEY": "pb_live_..."
      }
    }
  }
}

Restart your client. That's it — no install, no build step.

Where the config file lives

Client

Config file

Claude Desktop (macOS)

~/Library/Application Support/Claude/claude_desktop_config.json

Claude Desktop (Windows)

%APPDATA%\Claude\claude_desktop_config.json

Claude Code

claude mcp add parsebounce -- npx -y @parsebounce/mcp-server

Cursor

~/.cursor/mcp.json

VS Code (Copilot)

.vscode/mcp.json

Windsurf

~/.codeium/windsurf/mcp_config.json

Continue.dev

~/.continue/config.json

Zero-install alternative

Claude Desktop, Claude Code and ChatGPT support remote MCP with OAuth — no npm package and no API key needed. Point them at:

https://api.parsebounce.com/mcp

You'll be asked to sign in to ParseBounce and approve access. Use this package when your client only speaks stdio.

Related MCP server: IMAP Email MCP Server

Tools

Delivery & diagnostics

Tool

What it does

list_projects

List projects you have access to (start here for project IDs)

check_email

Suppression status plus the full delivery/bounce/complaint history for an address

check_emails_batch

Check suppression status for up to 100 addresses at once

get_deliverability_stats

Delivery, bounce and complaint rates for a project

list_recent_bounces

Recent bounces with reasons

search_by_domain

Messages by recipient domain — diagnose Gmail/Yahoo/Outlook issues

search_by_tracking_id

Messages by campaign or batch identifier

get_message_events

Full event timeline for one message

compare_periods

Compare metrics between two time periods to spot trends

Suppression list

Tool

What it does

list_suppressions

List suppressed addresses

add_suppression

Block an address from receiving mail

remove_suppression

Unblock an address

Reputation

Tool

What it does

check_email_reputation

Crowdsourced risk level (safe/risky/bad) for an address before you send

get_domain_reputation

Aggregate bounce and complaint data for a domain

Sending

Tool

What it does

get_verified_senders

Verified sender domains and addresses

get_campaigns

List campaigns, optionally filtered by status

get_campaign_stats

Sent / opened / clicked / bounced counts for a campaign

get_lists

Contact lists

get_templates

Email templates

search_contact

Find a contact by address within a list

get_sending_usage

Current month usage against plan limits

get_sending_timeseries

Sending volume over time (sent vs failed)

get_transactional_sends

Recent transactional sends

send_transactional_email

Send a single transactional email

create_and_send_campaign

Create a campaign and start sending

pause_campaign / resume_campaign / cancel_campaign

Control a running campaign

Tools that send mail or change state are annotated so your client asks for confirmation first.

Configuration

Variable

Default

Purpose

PARSEBOUNCE_API_KEY

—

Required. Your pb_live_... key

PARSEBOUNCE_MCP_URL

https://api.parsebounce.com/mcp

Override the endpoint

PARSEBOUNCE_TIMEOUT

60000

Request timeout in ms

PARSEBOUNCE_DEBUG

—

Set to 1 to log protocol traffic to stderr

The key can also be passed as --api-key <key>. Run with --help for a config example.

How it works

This package is a thin bridge, not a reimplementation:

MCP client  ──stdio (JSON-RPC)──▶  @parsebounce/mcp-server  ──HTTPS──▶  api.parsebounce.com/mcp

It reads newline-delimited JSON-RPC from stdin, forwards each request to the ParseBounce MCP endpoint with your API key, and writes responses back to stdout. Every tool runs server-side, which means:

  • No version drift — new tools appear without upgrading this package

  • Zero runtime dependencies — nothing but Node's built-in fetch

  • Nothing stored locally — your key goes straight to the API over TLS

Requires Node.js 18 or newer.

Security

Your API key grants full access to your ParseBounce account. Keep it in your MCP client's env block rather than in a committed file, and revoke it from the dashboard if it leaks. Keys are transmitted only to api.parsebounce.com over HTTPS and are never written to disk or logged.

Links

License

MIT © ParseBounce

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