Project Gumball for Claude.ai
com.gumballtools/platform
One MCP server exposing every tool in the Gumball portfolio.
client:Claude.ai
transport:streamable-http
tools:25
Install Project Gumball in Claude.ai
Settings → Connectors → Add custom connector
https://gumballtools.com/api/mcp
Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs
What Claude.ai can do once it is connected
- cron_explain
- cron_build
- cron_next_runs
- json_to_types
- regex_explain
- timezone_convert
- color_analyse
- vocab_draw
- vocab_check
- body_metrics
- due_date
- round_cash_total
- rounding_impact
- price_band
- offside
- offside_rule_contrast
- check_digit_run
- amortize_schedule
- iso_week_run
- validate_json
- validate_yaml
- validate_xml
- validate_csv
- validate_auto