Hacé Cuentas — Free Calculators
Wire free calculator endpoints into Claude or Cursor so agents can run finance, tax, health, and unit math with cited inputs instead of guessing.
Overview
Hacé Cuentas is a MCP server for the Build phase that exposes free finance, tax, health, unit, and date calculators so agents can search, fetch, and compute real numbers.
What is this MCP server?
- Finance, tax, health, unit, and date calculators exposed as MCP tools
- Search, fetch, and compute workflow across calculator categories
- Hosted streamable-http remote at hacecuentas.com/mcp (no local npm package in manifest)
- Suited for pricing pages, spreadsheets-in-chat, and compliance rough estimates
- Calculator domains: finance, taxes, health, units, dates
- Transport: streamable-http remote MCP
- Server version 1.0.0 per server manifest
What problem does it solve?
Agents hallucinate spreadsheet math and tax ballparks when you need quick, structured calculator results inside the coding session.
Who is it for?
Indie builders adding lightweight numeric tooling to agents for pricing models, health calculators, or unit conversions without building a math backend.
Skip if: Teams that need audited tax filing, regulated financial advice, or offline-only stdio MCP with no third-party HTTP dependency.
What do I get? / Deliverables
After you add the remote MCP endpoint, your agent can invoke categorized calculator tools and return computed values tied to hacecuentas.com logic.
- Registered remote MCP connection to Hacé Cuentas
- Agent-callable calculator search and compute flows
- Structured numeric answers for finance, tax, health, units, and dates
Recommended MCP Servers
Journey fit
Calculator MCPs sit in Build because they are agent-side integrations you add while composing product logic, demos, or internal tools—not a standalone ship or launch motion. Integrations is the canonical shelf for remote MCP servers that expose third-party compute APIs to coding agents during implementation.
How it compares
Remote calculator MCP integration, not a local Python skill or a full QuickBooks-style finance suite.
Common Questions / FAQ
Who is Hacé Cuentas for?
Solo and indie builders who want Claude Code, Cursor, or similar agents to call real calculators for finance, taxes, health, units, and dates during product work.
When should I use Hacé Cuentas?
Use it in the Build phase when prototyping features, drafting pricing logic, or answering conversion questions that should not be left to model guesswork.
How do I add Hacé Cuentas to my agent?
Register the streamable-http remote MCP URL https://hacecuentas.com/mcp in your client’s MCP server config, then invoke the calculator search and compute tools from the agent.