MCPCalc is a hosted MCP server that gives AI agents (Claude, ChatGPT, and others) access to a comprehensive library of calculators spanning finance, math, health, construction, engineering, food…
MCPcalc is an MCP project maintained in the robrighter/mcpcalc-mcp repository. The maintainer describes its purpose as “MCPCalc is a hosted MCP server that gives AI agents (Claude, ChatGPT, and others) access to a comprehensive library of calculators spanning finance, math, health…”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://mcpcalc.com/api/v1/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| category | optional) — Filter by category: finance, math, health, construction, engineering, food, automotive, home, business, education, environment, pets, games… |
| calculator | required) — Calculator slug |
| inputs | required) — Input values for URL prefill |
| strict | optional) — If true, reject invalid or unknown input fields |
| metadata | optional) — Session metadata |
| session_id | required) — Session UUID |
| actions | required) — Array of action objects. Action types include: |
| submit_expression | Evaluate a math expression (CAS) |
| set_fields | Set form calculator field values |
| plot | Plot a function |
| assign_variable | Set a variable |
| insert_markdown | Insert commentary |
| clear_transcript | Clear history |
| set_mode | Switch between symbolic and numeric modes |
| set_cells | Set cell values by A1 references (Spreadsheet) |
| get_cells | Read cell values from A1 ranges (Spreadsheet) |
| clear_cells | Clear cell values in A1 ranges (Spreadsheet) |
| load_csv | Load CSV/TSV data into the grid (Spreadsheet) |
| export_csv | Export a range as CSV (Spreadsheet) |
| set_column_format | Set display formats by column letter (Spreadsheet) |
| list_calculators | |
| get_calculator_schema | |
| generate_prefilled_url | |
| create_session | |
| get_session_state | |
| push_session_action | |
| close_session |
{
"mcpServers": {
"mcpcalc": {
"url": "https://mcpcalc.com/api/v1/mcp"
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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