# Calculator Server Configuration - YAML Format
# Complete configuration file with all options and their default values
# Server configuration
server:
# Transport method: "stdio" or "http"
transport: "stdio"
# MCP-compliant streamable HTTP transport configuration (only used when transport is "http")
http:
host: "127.0.0.1" # Default to localhost for security per MCP spec
port: 8080
# MCP session management
session_timeout: "5m" # Session timeout duration
max_connections: 100 # Maximum concurrent connections
# CORS configuration
cors:
enabled: true
origins:
- "http://localhost:3000"
- "http://127.0.0.1:3000"
# For production, specify allowed origins:
# - "https://your-frontend.com"
# - "https://api.your-app.com"
# WARNING: Never use "*" in production as it allows ALL origins
# Logging configuration
logging:
level: "info" # debug, info, warn, error
format: "json" # json, text
output: "stdout" # stdout, stderr, or file path
# Tools-specific configuration
tools:
# Precision settings for mathematical operations
precision:
max_decimal_places: 15 # Maximum precision (0-15)
default_decimal_places: 2 # Default precision for results
# Expression evaluation settings
expression_eval:
timeout: "10s" # Maximum time for expression evaluation
max_variables: 100 # Maximum number of variables in expression
# Statistics settings
statistics:
max_data_points: 10000 # Maximum number of data points in dataset
# Financial calculations settings
financial:
currency_default: "USD" # Default currency code
# Security configuration
security:
# Rate limiting (for HTTP transport)
rate_limiting:
enabled: true
requests_per_minute: 100 # Maximum requests per minute per IP
# Request size limits
request_size_limit: "1MB" # Maximum request body size
# Environment-specific configurations
# Development configuration example:
# server:
# transport: "http"
# http:
# host: "127.0.0.1"
# port: 8080
# session_timeout: "10m"
# max_connections: 50
# cors:
# enabled: true
# origins: ["http://localhost:3000", "http://localhost:8080"]
# logging:
# level: "debug"
# format: "text"
# Production configuration example:
# server:
# transport: "http"
# http:
# host: "127.0.0.1" # Keep localhost for security, use proxy/load balancer for external access
# port: 8080
# session_timeout: "5m"
# max_connections: 200
# cors:
# enabled: true
# origins: ["https://your-production-domain.com"]
# logging:
# level: "info"
# format: "json"
# output: "/var/log/calculator-server.log"
# security:
# rate_limiting:
# requests_per_minute: 1000
