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Use precise tools for math, randomness, dates, encoding, hashing, and more.
Copy the install command and let the AI configure it · recommended for beginners
Please install the "io.github.coo-quack/calc-mcp" MCP server from askskill: Run: claude mcp add 'io-github-coo-quack-calc-mcp' -- npx -y @coo-quack/calc-mcp
Convert the string "Hello Calc MCP" into Base64 and SHA-256, and return the results in a clear list.
Returns the Base64-encoded value and SHA-256 hash in a clean, copyable format.
Calculate how many days there are from 2025-01-01 to 2025-12-31, and tell me what weekday it will be 30 days later.
Returns the total days in the date range and the weekday for the target date.
Generate 10 random integers between 1 and 100, then calculate their average, maximum, and minimum.
Returns the random integer list along with the average, maximum, and minimum values.
Perform accurate arithmetic, trigonometric, logarithmic, and other math calculations.
Use developer utilities for JSON validation, encoding, timestamps, and hashing.
Provides basic arithmetic calculations for quick add, subtract, multiply, and divide tasks.
Compute and verify Keccak cryptographic hashes for data integrity checks.
Use 176+ privacy-first local utilities for calculations, conversions, text, and developer tasks.
Demo MCP server for calculations, time checks, notes, and code review prompts.