com.mcpcalc/calculator

Official10 tools

Calculators accessible via MCP with real-time collaborative sessions and shareable URLs.

Collaborative calculator sessions with real-time sharing and shareable URLs.

Captured live from the server via tools/list.

list_calculators

List available calculators, optionally filtered by category

Parameters (1)

categorystring
Filter by category (e.g., 'finance', 'math')

get_calculator_schema

Get the input schema for a specific calculator

Parameters (1)

calculatorstringrequired
Calculator slug

calculate

Run a calculation and get results + prefilled URL

Parameters (3)

calculatorstringrequired
Calculator slug
inputsobjectrequired
Calculator input values
strictboolean
If true, reject invalid or unknown input fields instead of dropping them

generate_prefilled_url

Generate a prefilled URL without running calculation

Parameters (3)

calculatorstringrequired
Calculator slug
inputsobjectrequired
Input values for URL
strictboolean
If true, reject invalid or unknown input fields instead of dropping them

calculate_cas

Evaluate one or more headless CAS expressions server-side (MCP-only numeric mode). Unsupported expressions return a GUI handoff link.

Parameters (3)

expressionstring
Single CAS expression to evaluate
expressionsarray
Optional ordered list of CAS expressions to evaluate in one isolated context (supports assignments across the batch)
strictboolean
If true, reject unknown fields and malformed expressions instead of dropping them

calculate_cas_headless

Alias of calculate_cas. Headless MCP-only CAS evaluator; if unsupported features are requested, returns GUI handoff details.

Parameters (3)

expressionstring
Single CAS expression to evaluate
expressionsarray
Optional ordered list of CAS expressions to evaluate in one isolated context (supports assignments across the batch)
strictboolean
If true, reject unknown fields and malformed expressions instead of dropping them

create_session

Create a new interactive session for any calculator and return the session URL

Parameters (2)

calculatorstringrequired
Calculator slug
metadataobject
Optional session metadata

get_session_state

Retrieve the current field values, computation transcript, and pending message queue for an active session

Parameters (1)

session_idstringrequired
Session UUID

push_session_action

Push actions into a session's message queue (set fields, submit computation, trigger plot, etc.)

Parameters (2)

session_idstringrequired
Session UUID
actionsarrayrequired
Array of SessionAction objects to push to the browser

close_session

Close a session and optionally persist a snapshot of its final state

Parameters (1)

session_idstringrequired
Session UUID

Install

claude_desktop_config.json

{
  "mcpServers": {
    "calculator": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcpcalc.com/api/v1/mcp"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.