{
  "id": "warm-up-inbox",
  "task": "Warm up an inbox",
  "description": "Build or repair sender reputation by generating engagement against a mailbox over time.",
  "example_requests": [
    "warm up my inbox",
    "build sender reputation",
    "fix my domain reputation",
    "email warmup"
  ],
  "html_url": "https://gtmmcps.com/jobs/warm-up-inbox",
  "json_url": "https://gtmmcps.com/data/solutions/warm-up-inbox.json",
  "snapshot_date": "2026-10-17",
  "evidence_note": "Vendor-reported task matches, not a performance ranking or proof of MCP capability. Confirm current requirements and test the intended workflow.",
  "tools": [
    {
      "id": "09-allegrow",
      "name": "Allegrow",
      "capability": "B2B email verification and deliverability platform - resolves catch-all/secure-email-gateway addresses that legacy verifiers mark \"unknown,\" sends warm-up email to real B2B accounts, and runs hourly SPF/DKIM/DMARC checks with a \"Safety Net\" that auto-pauses sends to addresses likely to mark mail as spam.",
      "api_access": "paid",
      "mcp_support": "official",
      "last_checked": "2026-09-07",
      "sources": [
        "https://www.allegrow.co/knowledge-base/claude-email-mcp",
        "https://www.allegrow.co/knowledge-base/complete-guide-to-email-warm-up-tools-which-increase-sender-reputation",
        "https://emailwarmup.com/blog/email-deliverability-tools/allegrow-review/",
        "https://mcp.allegrow.co/mcp"
      ],
      "record_url": "https://gtmmcps.com/tools/09-allegrow"
    },
    {
      "id": "09-inboxally",
      "name": "InboxAlly",
      "capability": "Email warmup and reputation-repair service that adds real seed inboxes into a customer's actual campaigns; those seed accounts perform browser-level engagement (open, read, reply, mark important, move out of spam) rather than simulated network activity.",
      "api_access": "paid",
      "mcp_support": "none-found",
      "last_checked": "2026-09-02",
      "sources": [
        "https://www.inboxally.com/email-warmup-tool",
        "https://docs.inboxally.com/warm-up-sending-strategy/the-dangers-of-using-an-automated-email-warmup-service/",
        "https://www.inboxally.com/blog/gmass-email-warm-up",
        "https://www.inboxally.com/pricing"
      ],
      "record_url": "https://gtmmcps.com/tools/09-inboxally"
    },
    {
      "id": "09-infraforge",
      "name": "Infraforge",
      "capability": "Private cold-email infrastructure platform (part of the same Salesforge \"Forge Stack\" as Mailforge) offering dedicated IPs, automated DNS setup, and pre-warmed domains for high-volume senders who want more control than shared infrastructure.",
      "api_access": "paid",
      "mcp_support": "official",
      "last_checked": "2026-08-24",
      "sources": [
        "https://www.infraforge.ai/",
        "https://mcp.salesforge.ai/mcp",
        "https://www.infraforge.ai/blog/scaling-cold-outreach-with-email-apis",
        "https://www.mailforge.ai/blog/hypertide-review"
      ],
      "record_url": "https://gtmmcps.com/tools/09-infraforge"
    },
    {
      "id": "02-instantly",
      "name": "Instantly",
      "capability": "Cold email sending platform providing mailbox infrastructure, warmup, deliverability management, sequencing, and lead sourcing.",
      "api_access": "paid",
      "mcp_support": "official",
      "last_checked": "2026-08-24",
      "sources": [
        "https://instantly.ai/new-pages/pricing",
        "https://instantly.ai/blog/instantly-mcp-server-connect-your-ai-assistant-directly-to-your-cold-email-platform/",
        "https://github.com/bcharleson/Instantly-MCP",
        "https://developer.instantly.ai/"
      ],
      "record_url": "https://gtmmcps.com/tools/02-instantly"
    },
    {
      "id": "02-lemlist",
      "name": "lemlist",
      "capability": "Multichannel sales engagement platform combining lead database/enrichment, email/LinkedIn/call/SMS sequencing, and a unified inbox.",
      "api_access": "paid",
      "mcp_support": "official",
      "last_checked": "2026-09-07",
      "sources": [
        "https://developer.lemlist.com/mcp/setup",
        "https://www.lemlist.com/pricing",
        "http://help.lemlist.com/en/articles/4452791-lemlist-plans-and-pricing-overview",
        "https://developer.lemlist.com/api-reference/endpoints/enrich/enrich-data.md",
        "https://app.lemlist.com/mcp"
      ],
      "record_url": "https://gtmmcps.com/tools/02-lemlist"
    },
    {
      "id": "09-mailreach",
      "name": "Mailreach",
      "capability": "Email warmup and deliverability platform - automates inbox-to-inbox warmup conversations, tracks a \"Heat Score\" reputation metric, and monitors blacklist/authentication status across Gmail, Outlook, and any SMTP provider.",
      "api_access": "paid",
      "mcp_support": "none-found",
      "last_checked": "2026-09-02",
      "sources": [
        "https://www.mailreach.co/email-warmup-api",
        "https://docs.mailreach.co/api",
        "https://www.trustradius.com/products/mailreach/pricing",
        "https://emailwarmup.com/blog/email-deliverability-tools/mailreach-review/"
      ],
      "record_url": "https://gtmmcps.com/tools/09-mailreach"
    },
    {
      "id": "02-reply-io",
      "name": "Reply.io",
      "capability": "Multichannel sales engagement platform for email, LinkedIn, call, and SMS outreach with an AI SDR product layered on top.",
      "api_access": "paid",
      "mcp_support": "official",
      "last_checked": "2026-09-07",
      "sources": [
        "https://reply.io/mcp/",
        "https://reply.io/",
        "https://github.com/reply-team/reply-mcp"
      ],
      "record_url": "https://gtmmcps.com/tools/02-reply-io"
    },
    {
      "id": "04-reply-io",
      "name": "Reply.io (Jason AI)",
      "capability": "A multichannel sales engagement platform whose AI layer (\"Jason AI,\" per widely reported branding) generates outreach emails/follow-ups and automates sequencing across email, calls, and tasks.",
      "api_access": "paid",
      "mcp_support": "official",
      "last_checked": "2026-09-07",
      "sources": [
        "https://www.producthunt.com/products/reply-io",
        "https://reply.io/pricing/",
        "https://reply.io/llms.txt",
        "https://reply.io/mcp/",
        "https://support.reply.io/en/articles/12955018-connecting-reply-mcp-to-your-ai-model",
        "https://github.com/reply-team/reply-mcp"
      ],
      "record_url": "https://gtmmcps.com/tools/04-reply-io"
    },
    {
      "id": "02-smartlead",
      "name": "Smartlead",
      "capability": "Cold email outreach platform for managing campaigns across many mailboxes, with built-in deliverability infrastructure and a unified reply inbox.",
      "api_access": "paid",
      "mcp_support": "official",
      "last_checked": "2026-09-02",
      "sources": [
        "https://www.smartlead.ai/pricing",
        "https://github.com/LeadMagic/smartlead-mcp-server",
        "https://www.pulsemcp.com/servers/leadmagic-smartlead",
        "https://helpcenter.smartlead.ai/en/articles/300-smartlead-mcp-server"
      ],
      "record_url": "https://gtmmcps.com/tools/02-smartlead"
    },
    {
      "id": "01-snov-io",
      "name": "Snov.io",
      "capability": "A B2B prospecting and outreach platform - finds and verifies emails/contacts, enriches company and contact records, manages prospect lists and a lightweight CRM, and runs email drip campaigns plus LinkedIn outreach actions.",
      "api_access": "paid",
      "mcp_support": "official",
      "last_checked": "2026-08-24",
      "sources": [
        "https://snov.io/mcp",
        "https://snov.io/knowledgebase/how-to-use-snov-io-mcp-with-your-ai-assistant/",
        "https://snov.io/pricing",
        "https://snov.io/knowledgebase/faq-pricing-plans/",
        "https://www.bookyourdata.com/blog/snov-io-pricing",
        "https://www.saleshandy.com/blog/snovio-pricing/"
      ],
      "record_url": "https://gtmmcps.com/tools/01-snov-io"
    },
    {
      "id": "02-super-send",
      "name": "Super Send",
      "capability": "Cold email sequencing platform providing dedicated, warmed sending infrastructure with adaptive pacing based on live deliverability signals.",
      "api_access": "paid",
      "mcp_support": "official",
      "last_checked": "2026-09-07",
      "sources": [
        "https://www.pulsemcp.com/servers/supersend",
        "https://supersend.io",
        "https://mcp.supersend.io/mcp"
      ],
      "record_url": "https://gtmmcps.com/tools/02-super-send"
    },
    {
      "id": "09-warmup-inbox",
      "name": "Warmup Inbox",
      "capability": "Email warmup and deliverability platform running a network of 30,000+ real inboxes that exchange natural-looking email (opens, replies, stars) with a customer's connected accounts to build sender reputation.",
      "api_access": "free",
      "mcp_support": "none-found",
      "last_checked": "2026-09-02",
      "sources": [
        "https://www.warmupinbox.com/blog/product-updates/product-update-new-api/",
        "https://api.warmupinbox.com/api-doc",
        "https://documenter.getpostman.com/view/6493518/2s9YR3dFfb",
        "https://www.warmupinbox.com/"
      ],
      "record_url": "https://gtmmcps.com/tools/09-warmup-inbox"
    },
    {
      "id": "09-warmy-io",
      "name": "Warmy.io",
      "capability": "Email warmup and deliverability platform with an \"AI-driven engagement engine\" - customizable warm-up topic/language selection, works across Gmail, Outlook, Zoho, and Amazon SES, with a real-time webhook/Slack-connected API for adjusting warm-up speed, volume, and timing programmatically.",
      "api_access": "paid",
      "mcp_support": "none-found",
      "last_checked": "2026-09-02",
      "sources": [
        "https://www.warmy.io/product/api/",
        "https://www.warmy.io/product/warm-up-email/",
        "https://www.warmy.io/blog/best-email-warmup-deliverability-tools-alternatives/",
        "https://warmysender.com/mcp",
        "https://warmysender.com/"
      ],
      "record_url": "https://gtmmcps.com/tools/09-warmy-io"
    }
  ]
}