com.warminboxes/fleet-planner

up checked 2026-11-10T22:38:04.421Z

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Publisher-provided title

WarmInboxes Free MCP: Fleet Planner

Publisher-provided description

Read-only sizing and pricing for cold email inboxes: how many, which provider, what it costs.

Summary by lookupd

Sizes cold email inbox fleets, prices them, checks domain age and DNS records, and routes lists by mailbox provider for sending campaigns.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http fleet-planner https://warminboxes.com/mcp/planner

Codex, remote (streamable-http)

codex mcp add fleet-planner --url https://warminboxes.com/mcp/planner

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "fleet-planner": {
      "url": "https://warminboxes.com/mcp/planner"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (16 tools)

Publisher-provided text

• check_domain_expiry Get a domain's registrar, creation date, expiry date and days remaining, over RDAP with a WHOIS fallback for ccTLDs that publish no RDAP service. Domain age is
• check_google_domain Tell whether a domain is already attached to a Google Workspace account, or is clear for a fresh Google tenant.
• lookup_mx Look up a domain's MX records with priorities and resolved IPs, and identify the mailbox provider (Google Workspace, Microsoft 365, Zoho, Fastmail and others) a
• segment_esp Split a list of domains by the email provider behind them (Google, Microsoft, a security gateway, or another provider) from their MX records. WarmInboxes routes
• plan_from_list Estimates a sending fleet for a recipient list. Looks up the MX records of up to 100 recipient domains (or addresses) to measure the provider mix, then sizes a
• plan_infrastructure Estimates how many inboxes and domains a daily cold email volume needs and the monthly cost at WarmInboxes' published prices. Inputs: emailsPerDay; optionally t
• quote_inboxes Prices a given number of inboxes at WarmInboxes' published prices: the domains (or Azure tenants) they sit on, daily sending capacity at the provider's pace, mo
• get_diagnostic_playbook Returns WarmInboxes' diagnostic playbook for a cold email problem: the questions to ask the person, the checks to run in order from cheapest to most expensive (
• generate_dns_records Write an SPF record from the providers that send for a domain (with an estimate of its DNS lookups against the limit of 10), a DMARC record from a policy, and w
• plan_rotation Builds a warm rotation, WarmInboxes' method: the inboxes split into Batch 1 and Batch 2, both tagged in the sequencer and added to the campaign, the active batc
• plan_verification_waterfall Price an email verification waterfall: the list run through verifiers in sequence with unknowns passed down the chain, every order compared, cheapest cost per u
• convert_csv Rename a lead CSV's columns to the fields a sequencer imports (Instantly, Smartlead, EmailBison, or generic snake_case). Every row and column is kept; only the
• find_tools Find the WarmInboxes free tool for a task ("check my email headers", "clean a CSV", "will this land in spam") and say how to use it: the MCP tool to call here,
• find_resources Search what WarmInboxes publishes: operator notes (WarmInboxes' rules from running fleets, with the research behind them), cold email guides, deliverability pla
• read_resource Read a WarmInboxes operator note, guide, study, playbook, dataset, recipe, comparison or changelog entry in full, as markdown. Long pages come in parts split at
• get_pricing The WarmInboxes price list as data: prewarmed and fresh inboxes on Google Workspace, Microsoft 365 and Azure, every billing cycle, the safe daily send pace per

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 1595 ms
• First indexed: 2026-11-10T22:17:19.470Z
• Last seen in registry: 2026-11-10T22:17:19.470Z
• Website: https://warminboxes.com/plugins/fleet-planner

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