{"name":"Formatter","description":"Universal code and data formatter. 8 formats × 5 actions. Send { content, format, action, options? }. Returns { result, format, action, valid, errors?, meta? }. Formats: json, sql, xml, html, markdown, csv, yaml, code. Actions: prettify (indent/format), minify (compress), validate (syntax check), convert (json→yaml, yaml→json, csv delimiter change), sort_keys (json/yaml, recursive by default). Not all format×action combos are supported — unsupported ones return valid:false with an explanation. Key options: indent (1-8 or \"tab\"), delimiter/outputDelimiter (csv), targetFormat (\"json\"|\"yaml\"), recursive (sort_keys). SQL is regex-based (not a parser). YAML handles simple structures. XML/HTML validate checks tag matching only. Max input: 500KB."}