MCP / Messaging

Mails.so MCP: messages

Mails is an API service that provides powerful email validation capabilities to help maintain a clean and effective email list. Connect it to Claude, Codex, Cursor or any MCP client through one FlyMy.AI MCP.

Connect Mails.soWhat it can do
Your own API key3 actionsMessaging

$ YOUR NEXT RUN

Claude CodeCodexCursorAny agent

Use Mails.so MCP in your assistant

Paste this prompt into Claude Code, Codex, Cursor or any agent. It reads the guide and helps you connect.

Read https://flymy.ai/skill.md and https://flymy.ai/mcp/mails-so.md. Help me connect Mails.so MCP to this assistant. Then help me run this task: Use Mails.so to retrieve batch results. Ask me for the required inputs first and show the result.
Open FlyMy.AIDownload brief

What Mails.so MCP can do

3 actions in the FlyMy.AI catalog, the most used first. Your agent finds them through search_tools and calls the one the task needs.

ActionWhat it does
# MAILS_SO_RETRIEVE_BATCH_RESULTSRetrieve results of a bulk validation job.
# MAILS_SO_VALIDATE_BULK_EMAILSValidate multiple email addresses in bulk.
# MAILS_SO_VALIDATE_SINGLE_EMAILValidate a single email address.

Ask your agent

Requests to paste as they are. Each one runs on the actions named under it.

“Use Mails.so to retrieve batch results. Ask me for the required inputs first and show the result.”uses MAILS_SO_RETRIEVE_BATCH_RESULTS
“Use Mails.so to validate bulk emails. Ask me for the required inputs first and show the result.”uses MAILS_SO_VALIDATE_BULK_EMAILS
“Use Mails.so to validate single email. Ask me for the required inputs first and show the result.”uses MAILS_SO_VALIDATE_SINGLE_EMAIL

Connect Mails.so in a minute

One MCP for every integration. Add it once, then every MCP in the catalog is a request away.

  1. 01

    Add FlyMy.AI

    Add the FlyMy.AI MCP to your assistant with one of the commands below and sign in. No key to copy.

  2. 02

    Add your Mails API Key

    Paste it into the Mails.so connection settings once; it stays with FlyMy.AI, never in a prompt or a chat.

    • Mails API Key - Your Mails API key used for authenticating API requests. Get API key →
  3. 03

    Ask

    Paste a request from this page. Every run shows what it cost.

Claude Code
claude mcp add --transport http flymyai https://mcp-agents.flymy.ai/mcp

Then run /mcp in Claude Code and sign in.

Codex
codex mcp add flymy --url https://mcp-agents.flymy.ai/mcp

Then run codex mcp login flymy to sign in.

claude.ai and Claude Desktop
https://mcp-agents.flymy.ai/mcp

Settings, Connectors, Add custom connector: paste this URL.

Pay per run

FlyMy.AI bills the run: the model and the tool's seconds. Calls go to your own Mails.so account, under its plan and limits. No seats and no minimum.

See usage pricing →

Go to the source

Mails.so in the docs →Mails.so connection settings →Mails.so website →Every MCP in the catalog →Usage pricing →

From the FlyMy.AI platform catalog of 2026-11-03: name, description, actions and setup as the platform lists them. Examples are requests to paste, not recorded runs.