Categories › Communication › Email
Cold email for agencies: SPF, DKIM, DMARC, blacklist checks, plus campaigns and replies.
Remote server: your requests and data go to pipefire.ai. Claude Code: claude mcp add --transport http pipefire https://pipefire.ai/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
check_domain_email_setup — Check whether a domain is set up to send and receive email properly: MX, SPF, DKIM and DMARC in one go, each with pass/warn/fail, what was fcheck_dmarc — Check a domain's DMARC record: whether one exists at _dmarc, its policy (none, quarantine, reject), whether reports are collected, and outdacheck_spf — Check a domain's SPF record: whether it exists, is valid, stays under the 10 DNS lookup limit, and ends with a sensible all mechanism. Use wcheck_dkim — Look up a domain's DKIM public key, trying the selectors Google Workspace, Microsoft 365 and common senders use, plus one you name. Use whencheck_mx — List a domain's mail servers (MX records) and which provider handles its email (Google Workspace, Microsoft 365 and others). Use to find whocheck_bimi — Check a domain's BIMI record (logo in the inbox) and whether its DMARC policy is strict enough for BIMI to show. Returns pass, warn or fail,check_mta_sts — Check a domain's MTA-STS policy, which forces encrypted delivery of incoming mail: whether the _mta-sts record exists and the policy file locheck_blacklists — Check whether a domain's sending IPs, or a single IPv4 address, are listed on the major email blacklists (Spamhaus, Barracuda, SpamCop and oanalyze_email_headers — Read the raw headers of a received email: SPF, DKIM and DMARC results, alignment, the delivery path and delays. Use when someone pastes headcheck_cold_email — Score a cold email (subject and body) out of 10 against the rules Pipefire checks its own emails with: length, reading level, the ask, subjetest_subject_line — Score a cold email subject line out of 10: length, wording that hurts opens, and spam trigger words. Returns the score, a verdict, word and suggest_sending_domains — Suggest lookalike sending domains for cold email (so the main domain is never put at risk), with live .com/.net availability. Give a businesguess_email_addresses — List the likely email address formats for a person at a company domain (first@, first.last@, flast@ ...). Guesses only: verify before sendingenerate_spf_record — Build a valid SPF TXT record for a domain from the email services it sends with. Returns the DNS host and the TXT value to publish, plus wargenerate_dmarc_record — Build a valid DMARC TXT record (to publish at _dmarc.yourdomain) from a policy and report addresses.generate_dkim_record — Format a DKIM public key as the TXT record to publish at selector._domainkey.yourdomain. Returns the DNS host and the TXT value to paste, placcount_summary — Overview of this Pipefire account: campaigns running, emails sent and replies this month, interested leads, and replies waiting for an answelist_campaigns — Every campaign on this Pipefire account with its status, market, people contacted, replies, interested leads, meetings and next send. Use thlist_replies — Prospect replies that need an answer, oldest first: who, which campaign, what the reply was classified as, a snippet, and whether a draft anget_conversation — The full email thread with one prospect: what was sent, what they replied, and the draft answer if one is waiting. Sending the answer is donresults — Emails sent, replies, interested leads and meetings booked between two dates (inclusive). Dates are YYYY-MM-DD. Defaults to the last 30 dayspause_campaign — Stop a running campaign. Nothing further sends until it is resumed. Replies still arrive. Reversible with resume_campaign.resume_campaign — Restart a campaign you paused. A campaign Pipefire paused to protect your sending reputation cannot be resumed from here; the answer says whfleet_status — The sending domains and mailboxes on this Pipefire account: which are ready, which are warming (and on what day), how many emails a day theyget_campaign — One campaign in full: its market, how far it has got (found, verified, contacted, replied, interested), the emails it sends (both subject-licreate_campaign — Write a new campaign from a short brief: who to email, where, and what you offer them. Pipefire writes the email sequence (two subject-line get_launch_link — Check that a draft campaign has its emails and return the link to it in the Pipefire console, where the user reads the emails and presses Laredraft_reply — Ask Pipefire to rewrite the draft answer to a prospect, with an instruction such as "shorter", "more casual" or "offer to send the list firsget_reply_approval_link — Check that a draft answer is waiting on a conversation and return the link to it in the Pipefire console, where the user reads it and presserequest_lead_list — When a prospect replies yes to a lead list, queue it: local businesses of the types they sell to, around their town, verified, as a spreadshlead_sourcing — How far Pipefire has got finding the businesses for one campaign: how many found, how many with an email, how many emails checked, how many Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.