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Pipefire email deliverability tools

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ai.pipefire/pipefirev1.0.0 Domain verified

Free email deliverability tools: SPF, DKIM, DMARC, blacklist and header checks, cold email scoring.

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analyze_email_headers Read-only

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.

headersstring, required

The raw email headers (the part above the message body).

Pipefire email deliverability tools MCP server | mcptry

Tools (16)

analyze_email_headers

read-only

Argument	Type	Description
headers*	string	The raw email headers (the part above the message body).

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "headers"
  ],
  "properties": {
    "headers": {
      "type": "string",
      "description": "The raw email headers (the part above the message body)."
    }
  },
  "additionalProperties": false
}

check_bimi

Check a domain's BIMI record (logo in the inbox) and whether its DMARC policy is strict enough for BIMI to show.

read-only

Argument	Type	Description
domain*	string	The domain to check, e.g. example.com. A URL or email address also works.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "The domain to check, e.g. example.com. A URL or email address also works."
    }
  },
  "additionalProperties": false
}

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.

read-only

Argument	Type	Description
target*	string	A domain (example.com) or a public IPv4 address.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "target"
  ],
  "properties": {
    "target": {
      "type": "string",
      "description": "A domain (example.com) or a public IPv4 address."
    }
  },
  "additionalProperties": false
}

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.

read-only

Argument	Type	Description
body*	string
kind	string	Which email in the sequence. Default first.
subject*	string

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "subject",
    "body"
  ],
  "properties": {
    "body": {
      "type": "string",
      "maxLength": 4000
    },
    "kind": {
      "enum": [
        "first",
        "follow-up",
        "last"
      ],
      "type": "string",
      "description": "Which email in the sequence. Default first."
    },
    "subject": {
      "type": "string",
      "maxLength": 200
    }
  },
  "additionalProperties": false
}

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.

read-only

Argument	Type	Description
domain*	string	The domain to check, e.g. example.com. A URL or email address also works.
selector	string	DKIM selector if known (e.g. google, selector1). Common ones are tried automatically.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "The domain to check, e.g. example.com. A URL or email address also works."
    },
    "selector": {
      "type": "string",
      "description": "DKIM selector if known (e.g. google, selector1). Common ones are tried automatically."
    }
  },
  "additionalProperties": false
}

check_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.

read-only

Argument	Type	Description
domain*	string	The domain to check, e.g. example.com. A URL or email address also works.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "The domain to check, e.g. example.com. A URL or email address also works."
    }
  },
  "additionalProperties": false
}

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 is set up right, or before sending cold email.

read-only

Argument	Type	Description
domain*	string	The domain to check, e.g. example.com.
selector	string	DKIM selector if known. Common ones are tried automatically.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "The domain to check, e.g. example.com."
    },
    "selector": {
      "type": "string",
      "description": "DKIM selector if known. Common ones are tried automatically."
    }
  },
  "additionalProperties": false
}

check_mta_sts

Check a domain's MTA-STS policy, which forces encrypted delivery of incoming mail.

read-only

Argument	Type	Description
domain*	string	The domain to check, e.g. example.com. A URL or email address also works.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "The domain to check, e.g. example.com. A URL or email address also works."
    }
  },
  "additionalProperties": false
}

check_mx

List a domain's mail servers (MX records) and which provider handles its email.

read-only

Argument	Type	Description
domain*	string	The domain to check, e.g. example.com. A URL or email address also works.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "The domain to check, e.g. example.com. A URL or email address also works."
    }
  },
  "additionalProperties": false
}

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.

read-only

Argument	Type	Description
domain*	string	The domain to check, e.g. example.com. A URL or email address also works.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "The domain to check, e.g. example.com. A URL or email address also works."
    }
  },
  "additionalProperties": false
}

generate_dkim_record

Format a DKIM public key as the TXT record to publish at selector._domainkey.yourdomain.

read-only

Argument	Type	Description
keyType	string
selector*	string
publicKey*	string	The public key, PEM or bare base64.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "selector",
    "publicKey"
  ],
  "properties": {
    "keyType": {
      "enum": [
        "rsa",
        "ed25519"
      ],
      "type": "string"
    },
    "selector": {
      "type": "string"
    },
    "publicKey": {
      "type": "string",
      "maxLength": 4000,
      "description": "The public key, PEM or bare base64."
    }
  },
  "additionalProperties": false
}

generate_dmarc_record

Build a valid DMARC TXT record (to publish at _dmarc.yourdomain) from a policy and report addresses.

read-only

Argument	Type	Description
rua	array	Aggregate report addresses.
domain*	string
policy*	string	Start with none plus a report address, then tighten.
subdomainPolicy	string

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "domain",
    "policy"
  ],
  "properties": {
    "rua": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Aggregate report addresses."
    },
    "domain": {
      "type": "string"
    },
    "policy": {
      "enum": [
        "none",
        "quarantine",
        "reject"
      ],
      "type": "string",
      "description": "Start with none plus a report address, then tighten."
    },
    "subdomainPolicy": {
      "enum": [
        "none",
        "quarantine",
        "reject"
      ],
      "type": "string"
    }
  },
  "additionalProperties": false
}

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.

read-only

Argument	Type	Description
a	boolean
mx	boolean
ip4	array
ip6	array
strict	boolean	true = -all (hard fail), false = ~all (soft fail, the safer default).
includes	array	Other include: domains, e.g. sendgrid.net, mailgun.org.
providers	array	Mailbox providers: google (Google Workspace), microsoft (Microsoft 365), zoho (Zoho Mail), zoho-eu (Zoho Mail (EU data center)).

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "a": {
      "type": "boolean"
    },
    "mx": {
      "type": "boolean"
    },
    "ip4": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "ip6": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "strict": {
      "type": "boolean",
      "description": "true = -all (hard fail), false = ~all (soft fail, the safer default)."
    },
    "includes": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other include: domains, e.g. sendgrid.net, mailgun.org."
    },
    "providers": {
      "type": "array",
      "items": {
        "enum": [
          "google",
          "microsoft",
          "zoho",
          "zoho-eu"
        ],
        "type": "string"
      },
      "description": "Mailbox providers: google (Google Workspace), microsoft (Microsoft 365), zoho (Zoho Mail), zoho-eu (Zoho Mail (EU data center))."
    }
  },
  "additionalProperties": false
}

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.

read-only

Argument	Type	Description
last	string
first*	string
domain*	string
middle	string

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "first",
    "domain"
  ],
  "properties": {
    "last": {
      "type": "string",
      "maxLength": 40
    },
    "first": {
      "type": "string",
      "maxLength": 40
    },
    "domain": {
      "type": "string",
      "maxLength": 120
    },
    "middle": {
      "type": "string",
      "maxLength": 40
    }
  },
  "additionalProperties": false
}

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.

read-only

Argument	Type	Description
brand*	string	Business name (Acme Roofing) or main domain (acmeroofing.com).

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "brand"
  ],
  "properties": {
    "brand": {
      "type": "string",
      "maxLength": 80,
      "description": "Business name (Acme Roofing) or main domain (acmeroofing.com)."
    }
  },
  "additionalProperties": false
}

test_subject_line

Score a cold email subject line out of 10: length, wording that hurts opens, and spam trigger words, with fixes.

read-only

Argument	Type	Description
subject*	string

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "subject"
  ],
  "properties": {
    "subject": {
      "type": "string",
      "maxLength": 200
    }
  },
  "additionalProperties": false
}