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Email Templates

Original professional email drafts — 10 scenarios × formal/casual/firm tones, plus a tone rewriter

Unify Dynamics LLC

Documentation
Tools10read-only
Sign-inNoneno account, no key
Data keptNoneprocessed in memory
PriceFreeoptional Pro limits
StatusLiveMCP + REST
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Write a formal follow-up email about the Q3 proposal
Tools called
generate_email
What email scenarios do you support?
Tools called
list_scenarios
What tones can I pick from?
Tools called
list_tones
Give me a subject line for a deadline extension email
Tools called
subject_line_suggestions
How should I open a casual email?
Tools called
opening_lines
How should I sign off a firm email?
Tools called
closing_lines
Make this email sound more formal
Tools called
tone_rewrite
Is this email too long?
Tools called
email_length_check
When should I follow up on this cold email?
Tools called
follow_up_timing_suggestion
What should I check before I hit send?
Tools called
checklist_before_sending

About

Mailcraft generates original professional email drafts, not scraped templates. generate_email takes a scenario (introduction, follow_up, declining_meeting, requesting_feedback, apology, thank_you, meeting_request, cold_outreach, deadline_extension, resignation_notice), a tone (formal, casual, firm), and optional recipient/sender names plus scenario-specific context fields, returning a full subject/greeting/body/sign-off draft. list_scenarios and list_tones enumerate what's supported. subject_line_suggestions gives 3 subject options. opening_lines and closing_lines give reusable greeting/sign-off options for a tone. tone_rewrite applies rule-based phrase substitution (contractions, hedge words, formal/casual swaps) to shift existing text toward a target tone, listing exactly what changed. email_length_check reports word/sentence counts, reading time and a length verdict. follow_up_timing_suggestion gives hand-curated recommended wait times per scenario and a status once you say how many business days have passed. checklist_before_sending is a pre-send checklist. Keyless; fully local; nothing stored.

Sources: Original template compositions written for this connector, not reproduced from any real found source; tone rewriting is rule-based phrase substitution; fully local, zero upstream calls

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.
Privacy policyTerms

What it can do

10 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Draft an Email4 tools
  • Generate emailGenerate an original email draft (subject, greeting, body, sign-off, and full text) for a scenario and tone.
  • List scenariosList every supported email scenario with its label and expected context fields.
  • List tonesList the supported tones (formal, casual, firm) with when to use each.
  • Subject line suggestions3 subject-line options for a scenario.
Building Blocks3 tools
  • Opening linesReusable greeting and opening-sentence options for a tone, plus this scenario's own opening line.
  • Closing linesSign-off options for a tone, with guidance on pairing them with your name.
  • Tone rewriteApply rule-based phrase substitution to shift text toward a target tone (contractions, hedging words, common formal/casual phrase swaps), listing…
Before You Send3 tools
  • Email length checkWord/sentence counts, estimated reading time, and a plain-language verdict on whether the email is too long.
  • Follow up timing suggestionA hand-curated recommended wait before following up on a scenario, and a status (too soon / good time / overdue) if you give how many business…
  • Checklist before sendingA pre-send checklist (names, attachments, tone, call-to-action).

Information

PublisherUnify Dynamics LLC
CategoryWork & productivity
LanguagesEnglish
Built forGlobal
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://mailcraft.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide

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Documentation

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What Mailcraft is for

"Write a formal follow-up email", "draft a casual thank-you note", "how firm should I be declining this meeting", "is my email too long" — original, ready-to-edit email drafts instead of a blank cursor.

What it does

generate_email takes a scenario — introduction, follow-up, declining a meeting, requesting feedback, apology, thank-you, meeting request, cold outreach, deadline extension, or resignation notice — a tone (formal, casual, or firm), and optional recipient/sender names plus a small set of scenario-specific context fields, and returns a full original draft: subject, greeting, body and sign-off. list_scenarios and list_tones enumerate what's supported and which fields each scenario expects. subject_line_suggestions gives three subject-line options. opening_lines and closing_lines give reusable greeting and sign-off options for a tone, independent of any one scenario. tone_rewrite applies rule-based phrase substitution — contraction expansion, hedge-word removal, formal/casual phrase swaps — to shift existing text toward a target tone, and lists exactly which patterns fired. email_length_check reports word/sentence counts, an estimated reading time, and a plain verdict on whether the email runs long. follow_up_timing_suggestion gives a hand-curated recommended wait before following up on a given scenario, and a status (too soon / good time / overdue) if you say how many business days have passed. checklist_before_sending is a pre-send checklist.

What it is not

Every template is an original composition written for this connector — never a real template scraped or reproduced from any single found source. tone_rewrite is a heuristic phrase substitution, not a full rewrite: it lists what it changed so you can review before sending, not a guarantee the result reads naturally in every case. Placeholders like [reason] appear when you don't supply a context field — fill them in before sending.

Privacy policy

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Mailcraft — Privacy Policy

Effective 25 September 2026. Unify Dynamics LLC ("we", "us"), Menlo Park, California.

What Mailcraft is. Mailcraft is a connector (an MCP server and REST API) that AI assistants and personal agents call on your behalf for original professional email drafting: template compositions across common workplace scenarios in formal, casual and firm tone variants, plus subject lines, a rule-based tone rewriter, and length/timing guidance. You interact with your assistant; the assistant sends us only the arguments needed for that one request.

What we receive. The arguments of each tool call — a scenario, a tone, recipient/sender names, scenario context fields, or text you want tone-rewritten or length-checked — the technical headers needed to serve the request (an IP address or a client identifier supplied by the assistant, and a Pro API key if you have one), and standard server logs.

Everything is computed on our server and nothing is stored. Every tool is a local calculation or a lookup against a bundled, hand-curated reference; no request is forwarded to any third party. Text you submit is processed for that one response and is not logged in request bodies, recorded, or used to train anything.

What we do not receive or store. We do not receive your conversation with the assistant, your name, contacts, or account credentials, and we do not build a profile from your requests: each one is answered independently and nothing carries over between requests. Rate-limit counters (a client identifier and timestamps) are held in memory for at most 24 hours. Hosting-provider access logs, which contain IP addresses and request paths but not request bodies, are retained for up to 30 days for security and abuse prevention.

Sub-processors. None — every tool is computed or looked up locally. Hosting: Vercel (United States regions).

Legal bases and your rights. Our processing is necessary to provide the service you request through your assistant. Because we store no personal data beyond short-lived logs, requests to access, correct or delete personal data are usually satisfied automatically; you can still contact agent@connectorbay.com and we will respond within 30 days. We do not sell or share personal information and do not use your data to train models.

Children. Mailcraft is a general-audience service operated by the adult using the assistant.

Changes. We will post changes here with a new effective date.

Terms of service

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Mailcraft — Terms of Service

Effective 25 September 2026. These terms govern use of the Mailcraft connector ("the Service") operated by Unify Dynamics LLC ("we", "us").

  1. The Service. Mailcraft provides original professional email drafting: template compositions across common workplace scenarios in formal, casual and firm tone variants, plus subject lines, a rule-based tone rewriter, and length/timing guidance, computed or looked up entirely on our server. It is accessed through an AI assistant or directly over MCP or HTTP.
  2. General information, not professional advice. Mailcraft's output is a drafting aid and reference tool. It is not legal, financial, medical, or other professional advice, and nothing it generates should be treated as a final, authoritative, or verified document without your own review.
  3. Original output. Templates, messages, and reference content generated or bundled by the Service are original compositions or hand-curated summaries of publicly known conventions — not reproductions of any single copyrighted source. You are responsible for reviewing and adapting anything generated before you rely on or send it.
  4. Acceptable use. Automated use within the published rate limits is welcome.
  5. Availability. The Service is provided "as is" without warranty. We may change, limit or discontinue it at any time.
  6. Data. Our Privacy Policy describes what we process. In short: your input is answered on our server and nothing is stored.
  7. Pro keys. Optional Pro API keys are issued at our discretion, are personal to the holder and may be revoked for abuse.
  8. Liability. To the fullest extent permitted by law, Unify Dynamics LLC is not liable for any loss arising from use of or reliance on the Service. Our total liability is limited to US $100.
  9. Governing law. California law; venue in San Mateo County, California.
  10. Contact. Unify Dynamics LLC · agent@connectorbay.com · https://connectorbay.com/mailcraft

Support

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Email Templates support

Email agent@connectorbay.com. We answer within two business days.

When you report a problem, include the question you asked your agent, roughly when, and which agent you used (for example Claude, ChatGPT or Gemini). Never send us passwords, account numbers or ID numbers. Email Templates never asks for them.

Get Email Templates

Free · No sign-in · Read-only

Streamable HTTP, stateless, no authentication. Paste the endpoint into any MCP-capable agent.

https://mailcraft.connectorbay.com/mcp
{
  "mcpServers": {
    "mailcraft": {
      "type": "http",
      "url": "https://mailcraft.connectorbay.com/mcp"
    }
  }
}