validate_json — Project Gumball MCP Tool
validate_json
(validate json) is one of 25 tools on the
Project Gumball
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call validate_json from your client
- Claude Code Project Gumball validate_json run in your project directory
- Claude Desktop Project Gumball validate_json ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Project Gumball validate_json ~/.cursor/mcp.json
- VS Code Project Gumball validate_json .vscode/mcp.json
- Zed Project Gumball validate_json ~/.config/zed/settings.json
- Windsurf Project Gumball validate_json ~/.codeium/windsurf/mcp_config.json
- Cline Project Gumball validate_json ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Project Gumball validate_json ~/.gemini/settings.json
- Grok Project Gumball validate_json .mcp.json (in your project root)
- ChatGPT Project Gumball validate_json Settings → Connectors → Advanced → Developer mode
- Claude.ai Project Gumball validate_json Settings → Connectors → Add custom connector
- LangChain Project Gumball validate_json pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http platform https://gumballtools.com/api/mcpOther tools on this server
- 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_yaml
- validate_xml
- validate_csv
- validate_auto
- equation_steps_run
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.