Pipefire email deliverability tools
Free email deliverability tools: SPF, DKIM, DMARC, blacklist and header checks, cold email scoring.
What it does
Pipefire email deliverability tools is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.
From the publisher's description, Electra Index matched it to one capability: outreach sequencing. That makes it a candidate for tasks such as recruit developers or send personalized outreach.
Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence) and are not a test of the tool.
At a glance
How to connect
As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 2h ago (live check)Hosted endpoint
https://pipefire.ai/mcpstreamable-http
In Claude Code: claude mcp add --transport http pipefire-email-deliverability-tools https://pipefire.ai/mcp
MCP settings (Claude Desktop, Cursor and other MCP clients)
{
"mcpServers": {
"pipefire-email-deliverability-tools": {
"url": "https://pipefire.ai/mcp"
}
}
}Live check
Electra Index connected to the hosted endpoint 2h agoONLINE Pipefire email deliverability tools answered an MCP connection on 20 Oct 2026 and introduced itself as pipefire 1.0.0 (MCP protocol 2025-06-18).
16 tools offered to AI assistants
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 found, and how to fix it. Use when someone asks why their email goes to spam, whether their domain ischeck_dmarc· Check a domain's DMARC record: whether one exists at _dmarc, its policy (none, quarantine, reject), whether reports are collected, and outdated tags. Tells you whether the domain can be impersonated by email.check_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.check_dkim· Look up a domain's DKIM public key, trying the selectors Google Workspace, Microsoft 365 and common senders use, plus one you name.check_mx· List a domain's mail servers (MX records) and which provider handles its email.check_bimi· Check a domain's BIMI record (logo in the inbox) and whether its DMARC policy is strict enough for BIMI to show.check_mta_sts· Check a domain's MTA-STS policy, which forces encrypted delivery of incoming mail.check_blacklists· Check whether a domain's sending IPs, or a single IPv4 address, are listed on the major email blacklists (Spamhaus, Barracuda, SpamCop and others), with removal links.analyze_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 headers and asks why a message went to spam or failed authentication.check_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, subject line, and spam-filter wording. Returns each issue with why it matters and how to fix it.test_subject_line· Score a cold email subject line out of 10: length, wording that hurts opens, and spam trigger words, with fixes.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 business name or its website.
Show 4 more
guess_email_addresses· List the likely email address formats for a person at a company domain (first@, first.last@, flast@ ...). Guesses only: verify before sending.generate_spf_record· Build a valid SPF TXT record for a domain from the email services it sends with, with warnings about the 10-lookup limit.generate_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.
What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method
Tasks it helps with
Share of each task's required capabilities it covers| Recruit developers Outreach Sequencing | 33% |
| Send personalized outreach Outreach Sequencing | 33% |
Similar tools
Listed for the same task: recruit developers- JobGPT - Job Search Automation & Auto ApplyREMOTELOCALJob search automation, auto apply, resume builder, application tracking, and recruiter outreach
- Resume Booster Job BoardREMOTELOCALJob search over employers' own hiring systems. Search with no key; a free key opens every read tool
- Recruiter by Agent RailsREMOTELOCALPaste a role; get candidates with evidence per requirement and outreach drafts you approve
- ZelumeREMOTELOCALLint, match, and tailor resumes against real job postings, and save them to your Zelume account
- Instalent MCPREMOTELOCALRecruiting tools for candidate sourcing, enrichment, ATS workflows, campaigns, and outreach
- Liepin JobsREMOTELOCALLiepin job search and resume workflows backed by the official Liepin MCP server
Facts & evidence
Each fact shows where it was seen and when.| Fact | Value | Evidence | Source | Last confirmed |
|---|---|---|---|---|
| Hosted endpoint | https://pipefire.ai/mcp | DECLARED | SRC-001 Official MCP Registry | 2h ago |
| Local install (package) | no | DECLARED | SRC-001 Official MCP Registry | 2h ago |
| Remote access (hosted) | yes | DECLARED | SRC-001 Official MCP Registry | 2h ago |
| Website | https://pipefire.ai/mcp-server | DECLARED | SRC-001 Official MCP Registry | 2h ago |
| Registry status | active | DECLARED | SRC-001 Official MCP Registry | 2h ago |
| Version | 1.0.0 | DECLARED | SRC-001 Official MCP Registry | 2h ago |
| MCP server | yes | DECLARED | SRC-001 Official MCP Registry | 2h ago |
Change history
- NEW20 Oct 2026first seen in the index
Is this page accurate?
Flag it and our robot re-checks the official source. Reports never change a score.Is Pipefire email deliverability tools still online?
Free alerts · no accountQuestions about Pipefire email deliverability tools
How do I connect Pipefire email deliverability tools?
Use the hosted endpoint https://pipefire.ai/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.
What tools does Pipefire email deliverability tools offer?
When Electra Index connected on 20 Oct 2026, it listed 16 tools: check_domain_email_setup, check_dmarc, check_spf, check_dkim, check_mx, check_bimi, check_mta_sts, check_blacklists and more. The full list is in "Live check" above.
Is Pipefire email deliverability tools online?
Yes. Its hosted endpoint answered an MCP connection from Electra Index 2h ago.
What can I use Pipefire email deliverability tools for?
Based on its description, it is most relevant to: recruit developers, send personalized outreach.