"React Query" matching MCP servers:

A native MCP server for real-time B2B contact finding and SMTP email validation, scraping company websites, Discord, and Telegram to deliver live, verified contacts that AI agents like Claude and Cursor can query directly.

An MCP server for EmailJS that enables AI agents to send emails, validate configurations, and query email history through natural language.

Provides read-only access to a Mailfact tenant, letting users list domains, sending sources, and aggregate reports, and query DMARC alignment, reporter coverage, and record-level data through MCP tools. It returns counts and rows only, without recommending policies or scoring domains.

Enables agents to search a local Maildir using mu's query language and read matching messages as plain text with bounded output, without altering mail.

Comprehensive MCP server for Mailchimp Marketing API v3.0 with over 104 tools and 15+ React UI apps, enabling management of campaigns, audiences, ecommerce, automations, reports, and more via natural language.

Enables AI assistants to query and manage email deliverability data — bounces, complaints, suppressions, delivery stats, and campaigns — across multiple providers like AWS SES, SendGrid, Mailgun, and Postmark.

Enables MCP clients to query Abnormal Security for threats, message search, remediation history, ATO cases, vendor/BEC data, and opt-in evidence download and response actions.

Automatic personal finance tracker MCP server that reads transaction notification emails from Gmail, extracts transaction data, and records them to Google Sheets, enabling AI clients to query spending and drive syncs.

Enables Claude to query and read across multiple Gmail accounts simultaneously through one connector, searching with Gmail syntax, fetching full threads, and creating drafts without ever sending. It also supports scheduled routines that scan all accounts for deadlines and notify the owner via WhatsApp webhooks.

Enables AI agents to register, send/receive email, store encrypted credentials, emit audit events, and query behavioral trust scores via MCP tools.

Enables AI assistants to read Gmail and create drafts securely with read-only access and query whitelisting.

Enables AI agents to query and recall your entire Gmail inbox locally, providing fast summarization and semantic search without relying on Gmail's search API.

Enables AI agents to query RankFabrik's four public data APIs—YouTube captions/transcription, places, jobs, and email verification—through thin MCP tools using a single federated API key.

Enables AI assistants to query and manage per-project Outlook mail archives, providing tools to list projects, search emails, and update archives incrementally.

Brings Outlook.com Smart Network Data Services (SNDS) API into MCP clients, allowing users to query IP reputation data such as volume, complaint rates, and spam verdicts using natural language.

Enables read-only Gmail access via MCP, allowing users to list and retrieve email messages with query and pagination support.

Lets Claude search, read, draft, send, label, archive, and trash Gmail threads using Gmail query syntax, with Google sign-in handled through a self-hosted remote connector and an email allowlist. Access is scoped to gmail.modify, so nothing can be permanently deleted.

Enables agents to query a locally resolved relationship mesh that joins mail, calendar, iMessage, and contacts into one per-person record, providing shared history, open items, recency, drift, and warmest-channel context without sending data off disk.

Enables AI assistants to query a local, read-only Apple Mail archive, letting them search messages by keyword, sender, subject, date or account and retrieve summaries, individual message bodies, pending action items and stored daily briefs. All tools are annotated read-only, so assistants can consult mail without sending, deleting, moving or editing anything.

Query your domains, sender compliance status, and Gmail traffic metrics from Claude, Cursor, or any MCP client using the Gmail Postmaster Tools API.