Heffl Free Tools

com.heffl/free-toolsVersion 1.1.0

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

Status

Responds148 msNov 14, 2026, 14:00 UTCAnswered our handshake without sign-in.

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We could not refresh it, so this page shows the last copy.

Last checked: Nov 14, 2026, 14:00 UTC
Latency: 148 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://api.heffl.com/api/public-tools/mcpResponds148 msNov 14, 2026, 14:00 UTC

No sign-in

Claude Code

claude mcp add --transport http free-tools https://api.heffl.com/api/public-tools/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: free-tools
Remote MCP server URL: https://api.heffl.com/api/public-tools/mcp

Cursor

{
  "mcpServers": {
    "free-tools": {
      "url": "https://api.heffl.com/api/public-tools/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"free-tools","type":"http","url":"https://api.heffl.com/api/public-tools/mcp"}'

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Tools

15 tools

Tools of Heffl Free Tools
	Description		Read-only	Idempotent	Open world
`agency_pricing`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.	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.	No	Yes	Yes	No
`business_days`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.	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.	No	Yes	Yes	No
`coaching_agreement`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.	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.	No	Yes	Yes	No
`email_verify`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.	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.	No	Yes	No	Yes
`freelance_rate`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.	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.	No	Yes	Yes	No
`photography_pricing`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.	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.	No	Yes	Yes	No
`quotation_generate`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.	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.	No	Yes	Yes	No
`retainer_agreement`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.	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.	No	Yes	Yes	No
`risk_assessment`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.	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.	No	Yes	Yes	No
`sow_generate`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.	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.	No	Yes	No	Yes
`uae_corporate_tax`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.	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.	No	Yes	Yes	No
`uae_gratuity`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.	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.	No	Yes	Yes	No
`uae_real_estate_vat`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.	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.	No	Yes	Yes	No
`uae_vat`Estimate standard 5% UAE VAT in AED, inclusive or exclusive. Does not classify exempt or zero-rated supplies. Free, no authentication required. Rate limited.	Estimate standard 5% UAE VAT in AED, inclusive or exclusive. Does not classify exempt or zero-rated supplies. Free, no authentication required. Rate limited.	No	Yes	Yes	No
`whatsapp_generate`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.	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.	No	Yes	No	Yes

Details

Registry status: Active
Published: Oct 3, 2026
Updated: Oct 3, 2026
Website: https://heffl.com/tools/agents⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Communication Security Invoicing and accountingSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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