Search / com.heffl/free-tools
protogridR0· no sign-inFree email verification, business calculators, UAE estimates and drafts. No API key.
v1.1.0 · active · website · descriptor JSON · versions
{
"mcpServers": {
"free-tools": {
"type": "http",
"url": "https://api.heffl.com/api/public-tools/mcp"
}
}
}claude mcp add --transport http free-tools https://api.heffl.com/api/public-tools/mcp[mcp_servers.free-tools]
url = "https://api.heffl.com/api/public-tools/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"free-tools": {
"type": "remote",
"url": "https://api.heffl.com/api/public-tools/mcp",
"enabled": true
}
}
}{
"mcpServers": {
"free-tools": {
"type": "http",
"url": "https://api.heffl.com/api/public-tools/mcp"
}
},
"deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=free-tools&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLmhlZmZsLmNvbS9hcGkvcHVibGljLXRvb2xzL21jcCJ9"
}{
"servers": {
"free-tools": {
"type": "http",
"url": "https://api.heffl.com/api/public-tools/mcp"
}
}
}{
"mcpServers": {
"free-tools": {
"httpUrl": "https://api.heffl.com/api/public-tools/mcp"
}
}
}extensions:
"free-tools":
enabled: true
name: "free-tools"
type: streamable_http
uri: "https://api.heffl.com/api/public-tools/mcp"
timeout: 300
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28protocol.statelessonly applies to 2026-07-28 serversprotocol.transportstreamable HTTPprotocol.list_ttlonly applies to 2026-07-28 serversauth.prm, auth.as_metadata, auth.cimdno remote uses OAuthauth.secret_in_urlno templated URLtools.descriptionsevery tool has a descriptiontools.description_lengthdescriptions are concisetools.schemasevery tool has an object input schematools.annotations15 of 15 tools declare readOnlyHint or destructiveHinttools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHinttools.token_costabout 3,543 tokens to load every tooltools.api_dumptools are not a one-to-one API dumpstability.changes15 tool changes in 30 daysstability.rug_pullno tool changed its meaning under the same namedeps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI packagewhatsapp_generatechangedannotationssow_generatechangedannotationsquotation_generatechangedannotationsuae_real_estate_vatchangedannotationsuae_gratuitychangedannotationsuae_corporate_taxchangedannotationsuae_vatchangedannotationsretainer_agreementchangedannotationscoaching_agreementchangedannotationsrisk_assessmentchangedannotationsShowing the latest 10. Full history: list_changes · trend: quality JSON.
Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.
+dns-namespace +website +reachable +uptime-100% +updated-17d-ago -no-repository
Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.
| remote | auth | reachable | uptime 30d | p50 | protocol | last ok |
|---|---|---|---|---|---|---|
https://api.heffl.com/api/public-tools/mcp streamable-http | none | yes | 100% | 286 ms | 2025-11-25 | 2026-10-20 |
agency_pricingread-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. |
business_daysread-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. |
coaching_agreementread-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. |
email_verifyread-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. |
freelance_rateread-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. |
photography_pricingread-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. |
quotation_generateread-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. |
retainer_agreementread-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. |
risk_assessmentread-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. |
sow_generateread-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. |
uae_corporate_taxread-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. |
uae_gratuityread-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. |
uae_real_estate_vatread-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. |
uae_vatread-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. |
whatsapp_generateread-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. |
Schemas: list_tools.
{
"name": "com.heffl/free-tools",
"title": "Heffl Free Tools",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://api.heffl.com/api/public-tools/mcp",
"type": "streamable-http"
}
],
"version": "1.1.0",
"websiteUrl": "https://heffl.com/tools/agents",
"description": "Free email verification, business calculators, UAE estimates and drafts. No API key."
}