,["$","meta","1",{"name":"viewport","content":"width=device-width, initial-scale=1"}]] b:null 28:I[60719,["7626","static/chunks/f6ab4fea-4425dae3da7674a3.js","8548","static/chunks/b27dc69b-e5acb70cd9d66ddf.js","5232","static/chunks/5232-db5923cda78a4960.js","6465","static/chunks/6465-6b79f1dc957ae3f4.js","9388","static/chunks/9388-d1a745fd53a10850.js","4902","static/chunks/4902-40271c136eb736f1.js","1508","static/chunks/1508-abbc58115cbb4fd0.js","6125","static/chunks/6125-6f7cbc86df4f2503.js","7771","static/chunks/7771-66979ce602088329.js","7660","static/chunks/7660-f5d56ac6a9ee6cc8.js","4147","static/chunks/4147-ef3df161a800b88b.js","9783","static/chunks/9783-e1d5b54e9718b38b.js","8084","static/chunks/8084-f1229cc5d0501fe0.js","2024","static/chunks/2024-e03e13f5faa34f45.js","7796","static/chunks/app/%5Blocale%5D/(default)/server/%5Bname%5D/%5Bauthor_name%5D/page-c3a3facf548ee943.js"],"default"] 29:T10ce,# compare-xml A toolkit for **structured XML comparison** — find what changed between two XML documents, with control over how keys, values, and arrays are matched. > Online playground: **[comparexml.com](https://comparexml.com)** ## Why Most XML diff tools either output unstructured text or hide the parts that matter (where an element was added, whether an array differs in order or in content). `compare-xml` parses XML into a structured representation and returns a list of differences — every entry carries a path, the side it belongs to (`base` / `contrast` / `both`), and the kind of change (`added`, `deleted`, `valueChanged`) — so you can render, filter, or program against it. ## Features - **Deep comparison** of XML elements, attributes, arrays, and text values. - **Three array comparison strategies**: `byIndex` (default), `lcs` (minimal diff via Longest Common Subsequence), and `unordered` (multiset match). - **Case-insensitive** key and/or value matching. - **Path tracking** with both segment-array and dot-notation forms. - **CLI** with table or JSON output, reading from inline strings or files. - **MCP server** built in — drop the CLI into any MCP-aware AI assistant. - **Agent Skill** — a single skill that works in Claude Code, OpenAI Codex CLI, and OpenCode. - Full **TypeScript** types. ## Packages This is a pnpm workspace: | Package | Description | |---------|-------------| | [`@compare-xml/core`](./packages/compare-xml-core) | Core comparison library (programmatic API). | | [`@compare-xml/cli`](./packages/compare-xml-cli) | Command-line tool & MCP server, built on top of `core`. | ## Quick Start ### Library ```bash npm install @compare-xml/core ``` ```typescript import { compareXML } from '@compare-xml/core'; const differences = compareXML({ baseXML: 'Alice30', contrastXML: 'Bob30bob@test.com', }); // [ // { pathString: 'user.name', pathBelongsTo: 'both', diffType: 'valueChanged', ... }, // { pathString: 'user.email', pathBelongsTo: 'contrast', diffType: 'added', ... }, // ] ``` See the [core README](./packages/compare-xml-core/README.md) for the full API. ### CLI ```bash npm install -g @compare-xml/cli compare-xml base.xml contrast.xml ``` ``` ┌──────────────┬──────────────┐ │ Key │ Change Type │ ├──────────────┼──────────────┤ │ (Base) a │ valueChanged │ │ (Base) b │ deleted │ │ (Contrast) c │ added │ └──────────────┴──────────────┘ ``` Use `--json-export` for machine-readable output, or `--mcp` to launch as an MCP server. See the [CLI README](./packages/compare-xml-cli/README.md) for all flags and the MCP tool schema. ### MCP ```json { "mcpServers": { "compare-xml": { "command": "npx", "args": ["@compare-xml/cli@latest", "--mcp"] }

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