4 tagged email-deliverability, measured the same way as everything else here.
optipub/gmail-postmaster-tools-mcp
MCP server Claude CodeCodexCursor +2
MCP server "gmail-postmaster-tools" as configured in optipub/gmail-postmaster-tools-mcp. Launched with https://github.com/optipub/gmail-postmaster-tools-mcp/releases/download/v1.0.1/g.
MCP server Claude CodeCodexCursor +2
MCP server "outlook-snds" as configured in optipub/outlook-snds-mcp. Launched with https://github.com/optipub/outlook-snds-mcp/releases/download/v1.0.4/outlook-snd.
MCP server Claude CodeCodexCursor +2
MCP server for ParseBounce — check email bounces, complaints, suppressions and deliverability stats for AWS SES, SendGrid, Mailgun, SparkPost, Postmark and Mandrill from Claude, Cursor, VS Code or any MCP client. Runs locally from the @parsebounce/mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Free SPF, DKIM, DMARC, MX deliverability check with graded shareable reports, plus referral terms. Remote server at guild.tradeuniquecapital.com.