Last updated
March 16, 2026
MCP profile
Github Coo Quack Calc Mcp
21 MCP tools for math, randomness, dates, encoding, hashing, and more — deterministic and accurate.
Developer ToolsPackageJavaScript/TypeScriptOpen SourceExternal
Visibility
Public
ByRegistry
About This MCP Server
📖 Documentation — Full tool reference, examples, and install guides.
LLMs hallucinate calculations, can't generate true random numbers, and struggle with timezones. This MCP server fixes that.
Capabilities
Deterministic — Same input, same correct output, every timeSecure — Sandboxed math, ReDoS protection, weak hash warningsPrivate — All computation runs locally, no data sent to external servicesNo server config — Install once via npx; MCP client setup requiredNo API key — No account or API key required for calc-mcp itself; requires Node.js
Tools & Endpoints
Example Workflow
Ask in natural language — your AI assistant selects the appropriate tool.
What Problems It Solves
- ✅ DO: Use test/sample data when possible
- ✅ DO: Use local-only LLMs for sensitive operations
- ❌ DON'T: Pass production secrets to MCP tools (they will be sent to your LLM provider)
Why Use Github Coo Quack Calc Mcp?
- Deterministic — Same input, same correct output, every time
- Secure — Sandboxed math, ReDoS protection, weak hash warnings
- Private — All computation runs locally, no data sent to external services
- No server config — Install once via npx; MCP client setup required
- No API key — No account or API key required for calc-mcp itself; requires Node.js
Specifications
Status
live
Industry
Developer Tools
Category
General
Server type
Package
Language
JavaScript/TypeScript
License
Open Source
Verified
Yes
Hosting
Hosting Options
- Package
API
Integrate this server into your application. Choose a connection method below.
1
Install
Install command
JavaScript/TypeScript
npx --prefix /tmp -y @coo-quack/calc-mcp@latest2
Configure
Configuration
json
{
"mcpServers": {
"calc-mcp": {
"command": "npx",
"args": ["--prefix", "/tmp", "-y", "@coo-quack/calc-mcp@latest"]
}
}
}Performance
Usage
Quick Reference
- Name
- Github Coo Quack Calc Mcp
- Function
- 21 MCP tools for math, randomness, dates, encoding, hashing, and more — deterministic and accurate.
- Transport
- Package
- Language
- JavaScript/TypeScript
- Install
- npx --prefix /tmp -y @coo-quack/calc-mcp@latest
- Source
- External (Registry)
- License
- Open Source
Get started
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