MCP JSON Navigator

import fs from "fs"; import path from "path"; import { explore } from "./explore.js"; import { simplify } from "./simplify.js"; import { query } from "./query.js"; import { contains } from "./contains.js"; export function loadJson(filepath: string) { const abs = path.resolve(filepath); return JSON.parse(fs.readFileSync(abs, "utf8")); } /** * Explore tool implementation */ export function exploreJson( filepath: string, jsonpath: string | undefined, verbosity: number, listDisplayLimit?: number, objectDisplayLimit?: number, charDisplayLimit?: number ) { const data = loadJson(filepath); const value = explore(data, jsonpath ?? ""); return simplify(value, verbosity, listDisplayLimit, objectDisplayLimit, charDisplayLimit); } /** * Query tool implementation */ export function queryJson(filepath: string, q: string, limit: number, caseSensitive: boolean) { const data = loadJson(filepath); const results = query(data, q, limit); if (caseSensitive) { const exactMatches = results.filter(r => contains(data, r.path, q)); if (exactMatches.length > 0) { return { results, exactMatch: exactMatches, }; } } return { results }; }