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"Free PostgreSQL Database Solutions" matching MCP servers:

  • mcp-server-project

    comejia
    F
    license
    -
    quality
    B
    maintenance
    A collection of MCP servers for database management and Gmail integration, allowing AI agents to perform database queries and email operations.

  • intodns-mcp

    RoscoNL
    A
    license
    A
    quality
    A
    maintenance
    MCP server for IntoDNS.ai providing 36 free tools for DNS, DMARC, SPF, DKIM, BIMI, DNSSEC, MTA-STS, FCrDNS, blacklist and email security checks. Citation-grade report snapshots with content hashes. No API key required.
    36
    32
    2
    MIT

  • Notmuch

    hgn
    A
    license
    A
    quality
    A
    maintenance
    An MCP server that exposes a local notmuch email database to an LLM client such as Claude. It is read-first: searching, reading, and understanding mail is always available; writing anything (drafts, tags, exported files) requires an explicit opt-in flag and is confined to clearly bounded locations.
    13
    MIT

  • @deliveriq/mcp

    Davison-Francis
    A
    license
    A
    quality
    C
    maintenance
    Email-deliverability tools for AI agents — 12 MCP tools across email verification, DNSBL across 50 zones, SPF/DKIM/DMARC analysis, spam-trap scoring, domain intelligence, and email finder. Free tier with no credit card.
    12
    63
    1
    MIT

  • agent-cold-email

    YS-projectcalc
    A
    license
    A
    quality
    B
    maintenance
    Agent-native cold-email infrastructure providing ~12 high-level tools for domain setup, mailbox provisioning, campaign launch, inbox management, and metrics, all operated via MCP or CLI.
    25
    MIT

  • atxp-mcp

    autonsol
    F
    license
    A
    quality
    D
    maintenance
    Access 5+ ATXP agent tools via MCP: web search, AI image generation, email, and music generation. Free tier with pay-per-use Pro tier via x402 micropayments (USDC on Base mainnet).
    5

  • pntr-cli

    oddunits
    A
    license
    A
    quality
    A
    maintenance
    Register free *.pntr.dev subdomains and manage them from your AI assistant — DNS records, wildcard DNS, disposable email inboxes, and HTTP request capture for webhook debugging. 15 tools over stdio; hosted endpoint also available.
    1
    15
    135
    MIT

  • SandMail — Disposable Email

    brobin002
    A
    license
    A
    quality
    D
    maintenance
    Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.
    8
    8
    MIT

  • ox-mcp

    Rheopyrin
    A
    license
    B
    quality
    B
    maintenance
    MCP server for Open-Xchange & standards-based mail: email (IMAP/SMTP), Sieve filters, CalDAV calendar, CardDAV contacts, free/busy.
    12
    33
    53
    MIT
  • mailpal-mcp by mailpal-com

    mailpal-mcpofficial

    mailpal-com
    A
    license
    C
    quality
    C
    maintenance
    Free email for AI agents with hardware attestation, real SMTP/IMAP/JMAP, and real-time notifications.
    2
    Apache 2.0
  • mailpal-mcp-server by mailpal-com

    mailpal-mcp-serverofficial

    mailpal-com
    A
    license
    -
    quality
    D
    maintenance
    Free email server for AI agents with hardware attestation, enabling agents to send, receive, and manage emails via MCP tools.
    12
    Apache 2.0
  • MailKite by mailkite

    MailKiteofficial

    mailkite
    A
    license
    -
    quality
    D
    maintenance
    MailKite offers email sending and receiving for agents at your domain or free inboxes Create inboxes for your agent Send emails from your agent Receive emails to your webhook Receive emails to your agent
    305
    MIT

  • AI Business MCP Server

    sohaggain
    A
    license
    -
    quality
    C
    maintenance
    A production-style MCP server exposing six business tools (web search, database, CRM, email, calendar, analytics) to AI clients via a secure, authenticated interface, with mock mode and a reference agent client.
    MIT

  • mailverdict

    mailverdict
    A
    license
    -
    quality
    B
    maintenance
    Keyless email validation: disposable/burner, role-account, and free-provider detection, MX checks, and typo suggestions. Tools: check_email, check_domain.
    MIT

  • mailindex-mcp

    alexanderkrauck
    A
    license
    -
    quality
    A
    maintenance
    A self-hosted mail client MCP server that indexes email in PostgreSQL, enabling AI agents to search, move, mark, delete, and draft messages with bulk operations and attachment text extraction via OCR.
    MIT

  • B2B Lead Quality Scorer MCP

    FoundryNet
    A
    license
    -
    quality
    F
    maintenance
    Validates email deliverability, assesses domain credibility, and scores B2B leads from A-F to help prioritize outreach, with batch processing and a free tier.
    MIT

  • thunderbird-mcp

    agimenezdev
    A
    license
    -
    quality
    C
    maintenance
    Enables searching and reading Thunderbird emails locally through MCP, using the mail client's own index for offline, credential-free access.
    MIT

  • imprint-mcp-server

    PTrobe
    A
    license
    -
    quality
    D
    maintenance
    Enables querying local meeting notes, calendar events, email metadata, and daily digests from Imprint's database via natural language through Claude Desktop and other MCP clients.
    14
    MIT

  • agpc-domain-check

    markolati85
    A
    license
    -
    quality
    C
    maintenance
    MCP server that lets agents check domain email authentication (SPF, DKIM, DMARC, MX) via a free API, returning grades and shareable report URLs. Also provides tools for listing paid services and partner program terms.
    MIT