Heffl Free Tools

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Free email verification, business calculators, UAE estimates and drafts. No API key.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Heffl Free Tools": {
      "url": "https://api.heffl.com/api/public-tools/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (15)

• email_verify read-only

  Check one email's syntax, mail routing, disposable/free-provider/role flags, and SMTP recipient acceptance. Sends no email. DNS alone does not verify a mailbox. unknown means inconclusive or mailbox not checked; likely_deliverable is evidence, not a delivery guarantee. No login or API key required. Rate limited.

  Parameters:

  • email (required) — string

  Hints: read-only yes · destructive no · idempotent no · open-world yes

• photography_pricing read-only

  Calculate session price, costs, profit and per-photo price. Margin is a percentage of selling price; currency-neutral, no conversion. Free, no authentication required. Rate limited.

  Parameters:

  • hoursOnSite (required) — number
  • hourlyRate (required) — number
  • editingHours (required) — number
  • editingRate (required) — number
  • gearTravelCost (required) — number
  • numPhotos (required) — integer
  • margin (required) — number

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• freelance_rate read-only

  Calculate sustainable rates. margin is a percentage buffer added to annual income plus overhead, matching the website. All money must use the same currency. Free, no authentication required. Rate limited.

  Parameters:

  • annualIncome (required) — number
  • overhead (required) — number
  • billableWeeks (required) — number
  • billableHours (required) — number
  • hoursPerDay (required) — number
  • margin (required) — number

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• agency_pricing read-only

  Calculate project price from labor, overhead and risk buffer. margin is percentage of selling price; overhead and riskBuffer are percentage additions. Free, no authentication required. Rate limited.

  Parameters:

  • hourlyCost (required) — number
  • hours (required) — number
  • overhead (required) — number
  • margin (required) — number
  • riskBuffer (required) — number

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• business_days read-only

  Count weekdays between dates or add/subtract days. UTC dates, Monday–Friday; start included and end excluded unless includeEnd. Offset excludes start. Public holidays are not excluded. Free, no authentication required. Rate limited.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• risk_assessment read-only

  Score user-supplied risks using likelihood × impact (1–5). Low <=6, medium <=14, high >=15. Does not infer likelihood or impact. Free, no authentication required. Rate limited.

  Parameters:

  • risks (required) — array

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• coaching_agreement read-only

  Generate the website's coaching agreement as plain text. Missing text fields use placeholders. Draft only; legal review may be needed. Free, no authentication required. Rate limited.

  Parameters:

  • fee — string
  • coachName — string
  • startDate — string
  • clientName — string
  • businessName — string
  • coachingType — string
  • paymentTerms — string
  • programLength — string
  • sessionFormat — string
  • sessionLength — integer
  • cancellationPolicy — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• retainer_agreement read-only

  Generate the website's monthly retainer agreement as plain text. Missing text fields use placeholders. Draft only; legal review may be needed. Free, no authentication required. Rate limited.

  Parameters:

  • startDate — string
  • clientName — string
  • monthlyFee — string
  • paymentDue — string
  • overageRate — string
  • serviceType — string
  • contractTerm — string
  • noticePeriod — string
  • providerName — string
  • includedScope — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• uae_vat read-only

  Estimate standard 5% UAE VAT in AED, inclusive or exclusive. Does not classify exempt or zero-rated supplies. Free, no authentication required. Rate limited.

  Parameters:

  • amount (required) — number
  • includeVat — boolean

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• uae_corporate_tax read-only

  Estimate standard UAE corporate tax on already-adjusted taxable income in AED: 0% up to 375000 and 9% above. Does not determine deductions, free-zone rules, relief or multinational minimum tax. Free, no authentication required. Rate limited.

  Parameters:

  • taxableIncome (required) — number

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• uae_gratuity read-only

  AED estimate for covered private-sector full-time foreign workers using monthly basic salary, at least one year service, 21 days for first five years then 30; capped at 24 months basic salary. Assumes continuous service without unpaid leave; no deductions or alternative schemes assessed. Free, no authentication required. Rate limited.

  Parameters:

  • basicSalary (required) — number
  • startDate (required) — string
  • endDate (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• uae_real_estate_vat read-only

  Estimate VAT on ordinary commercial/residential property in AED, not transfer fees. Residential zero-rating requires FIRST supply within three years of completion; other residential supply exempt. No mixed-use or specialist properties. Free, no authentication required. Rate limited.

  Parameters:

  • amount (required) — number
  • propertyType (required) — string
  • firstSupply (required) — boolean
  • yearsSinceCompletion (required) — number
  • includeVat — boolean

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• quotation_generate read-only

  Generate quotation JSON and plain-text draft with percentage discounts per item and tax on discounted amounts. Does not save, send, or render PDF; website provides visual export. Currency is a label, no FX conversion. Free, no authentication required. Rate limited.

  Parameters:

  • quotationNumber (required) — string
  • sender (required) — string
  • client (required) — string
  • currency (required) — string
  • lineItems (required) — array

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• sow_generate read-only

  Generate a scope-of-work draft using the existing Heffl DeepSeek service. Returns untrusted HTML, not legal advice. Drafts may infer details; verify before use. Provider configuration required server-side. Free, no authentication required. Rate limited.

  Parameters:

  • projectTitle (required) — string
  • projectGoals (required) — string
  • timeline — string
  • clientName — string
  • deliverables — array
  • serviceCategory — string

  Hints: read-only yes · destructive no · idempotent no · open-world yes

• whatsapp_generate read-only

  Generate a business WhatsApp message draft using Heffl's DeepSeek service. Only drafts text; never sends messages. Provider configuration required server-side. Free, no authentication required. Rate limited.

  Parameters:

  • useCase (required) — string
  • addEmoji — boolean
  • businessBio — string
  • messageTone — string
  • businessName — string

  Hints: read-only yes · destructive no · idempotent no · open-world yes

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