Categories › Software Development › Converters, validators, encoders & small utilities
Calculators accessible via MCP with real-time collaborative sessions and shareable URLs.
Remote server: your requests and data go to mcpcalc.com. Claude Code: claude mcp add --transport http calculator https://mcpcalc.com/api/v1/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
list_calculators — List available calculators, optionally filtered by categoryget_calculator_schema — Get the input schema for a specific calculatorcalculate — Run a calculation and get results + prefilled URLgenerate_prefilled_url — Generate a prefilled URL without running calculationcalculate_cas — Evaluate one or more headless CAS expressions server-side (MCP-only numeric mode). Unsupported expressions return a GUI handoff link.calculate_cas_headless — Alias of calculate_cas. Headless MCP-only CAS evaluator; if unsupported features are requested, returns GUI handoff details.create_session — Create a new interactive session for any calculator and return the session URLget_session_state — Retrieve the current field values, computation transcript, and pending message queue for an active sessionpush_session_action — Push actions into a session's message queue (set fields, submit computation, trigger plot, etc.)close_session — Close a session and optionally persist a snapshot of its final stateNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.