diff --git a/README.md b/README.md index 0258c09..2ab7a47 100644 --- a/README.md +++ b/README.md @@ -11,6 +11,7 @@ Official Webshare HTTP API documentation: [https://webshare.cz/apidoc/](https:// | **Stream** | `GET /stream/:ident` | Fresh Webshare `file_link` + HTTP 302 to CDN | | **Fake qBittorrent** | `/api/v2/*` | Download client API; streams the HTTPS file to disk | | **Debug** | `GET /resolve/:ident` | JSON with the resolved CDN URL | +| **MCP server** | stdio (`npm run mcp`) | Tools for AI agents: search, resolve links, login check | Webshare download links expire after roughly ten minutes, so the torrent never embeds a CDN URL—only a path on this service that resolves a fresh link at fetch time. @@ -18,12 +19,14 @@ Webshare download links expire after roughly ten minutes, so the torrent never e ``` src/ - index.js # Express app + optional Sonarr missing-episode search - webshare.js # salt/login, search, file_link - md5crypt.js # Unix $1$ MD5-crypt (Webshare password digest) - torznab.js # caps + search feed XML - torrent.js # bencode + fake torrent + info-hash - qbt.js # qBittorrent Web API façade + download queue + index.js # Express app + optional Sonarr missing-episode search + webshare.js # salt/login, search, file_link + md5crypt.js # Unix $1$ MD5-crypt (Webshare password digest) + torznab.js # caps + search feed XML + torrent.js # bencode + fake torrent + info-hash + qbt.js # qBittorrent Web API façade + download queue + mcp-server.js # MCP tool registration (shared) + mcp.js # MCP stdio entrypoint for agents __tests__/ compose.yaml Dockerfile @@ -77,6 +80,56 @@ When both run on the same Compose network, use the service name, e.g. `http://we Sonarr hands `.torrent` files to the fake qBittorrent API. This service extracts the webseed, streams the file into `DOWNLOAD_PATH`, and reports progress via `/api/v2/torrents/*`. +## MCP (AI agents) + +Exposes Webshare to MCP-compatible clients over **stdio** (stdout is protocol-only; logs go to stderr). + +### Tools + +| Tool | Description | +|------|-------------| +| `webshare_search` | Search files (`query`, optional `limit` / `offset` / `sort` / `category`) | +| `webshare_get_link` | Resolve a temporary CDN URL for a file `ident` | +| `webshare_login_check` | Verify credentials against the Webshare API | + +### Run + +```bash +export WEBSHARE_USERNAME=... +export WEBSHARE_PASSWORD=... +npm run mcp +# or: npx webshare-mcp (after npm link / global install) +``` + +### Client configuration example + +**Claude Desktop / similar** (`mcpServers`): + +```json +{ + "mcpServers": { + "webshare": { + "command": "node", + "args": ["/absolute/path/to/webshare-api/src/mcp.js"], + "env": { + "WEBSHARE_USERNAME": "your-username", + "WEBSHARE_PASSWORD": "your-password" + } + } + } +} +``` + +**Grok / OpenCode-style** (TOML): + +```toml +[mcp_servers.webshare] +command = "node" +args = ["/absolute/path/to/webshare-api/src/mcp.js"] +``` + +Pass `WEBSHARE_USERNAME` and `WEBSHARE_PASSWORD` via the client env settings or a process manager—not in the repo. + ## Tests ```bash diff --git a/__tests__/mcp-server.test.js b/__tests__/mcp-server.test.js new file mode 100644 index 0000000..c58e02e --- /dev/null +++ b/__tests__/mcp-server.test.js @@ -0,0 +1,19 @@ +const { formatSize, createWebshareMcpServer } = require('../src/mcp-server'); + +describe('formatSize', () => { + it('formats bytes', () => { + expect(formatSize(0)).toBe('0 B'); + expect(formatSize(512)).toBe('512 B'); + expect(formatSize(1024)).toBe('1.0 KB'); + expect(formatSize(1536)).toBe('1.5 KB'); + expect(formatSize(1024 * 1024)).toBe('1.0 MB'); + }); +}); + +describe('createWebshareMcpServer', () => { + it('creates a server instance with credentials', () => { + const server = createWebshareMcpServer({ username: 'u', password: 'p' }); + expect(server).toBeDefined(); + expect(server.server).toBeDefined(); + }); +}); diff --git a/package-lock.json b/package-lock.json index 37abdab..ab457b1 100644 --- a/package-lock.json +++ b/package-lock.json @@ -8,10 +8,12 @@ "name": "webshare-api", "version": "1.0.0", "dependencies": { + "@modelcontextprotocol/sdk": "^1.30.0", "axios": "^1.7.0", "express": "^4.19.0", "multer": "^1.4.5-lts.1", - "xml2js": "^0.6.0" + "xml2js": "^0.6.0", + "zod": "^4.4.3" }, "devDependencies": { "jest": "^30.4.2", @@ -601,6 +603,18 @@ "tslib": "^2.4.0" } }, + "node_modules/@hono/node-server": { + "version": "2.1.0", + "resolved": "https://registry.npmjs.org/@hono/node-server/-/node-server-2.1.0.tgz", + "integrity": "sha512-XovyyCCnBzW+zKu+z/zq8hwNs4KOR5rEMAOxo2f40Q5xoOI37IMm6MIg2COOUtUApo0i6850MTBKH2u4QLGIqg==", + "license": "MIT", + "engines": { + "node": ">=20" + }, + "peerDependencies": { + "hono": "^4" + } + }, 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"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz", @@ -4821,7 +5452,6 @@ "version": "2.0.0", "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz", "integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==", - "dev": true, "license": "MIT", "dependencies": { "shebang-regex": "^3.0.0" @@ -4834,7 +5464,6 @@ "version": "3.0.0", "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz", "integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==", - "dev": true, "license": "MIT", "engines": { "node": ">=8" @@ -5560,7 +6189,6 @@ "version": "2.0.2", "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz", "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==", - "dev": true, "license": "ISC", "dependencies": { "isexe": "^2.0.0" @@ -5671,7 +6299,6 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+ "zod": "^3.25.28 || ^4" + } } } } diff --git a/package.json b/package.json index 443e1fb..f0c26bf 100644 --- a/package.json +++ b/package.json @@ -1,20 +1,26 @@ { "name": "webshare-api", "version": "1.0.0", - "description": "Webshare.cz HTTP API: Torznab indexer + fake qBittorrent client + stream redirect for Sonarr/Radarr", + "description": "Webshare.cz HTTP API: Torznab indexer, fake qBittorrent client, and MCP server for AI agents", "main": "src/index.js", + "bin": { + "webshare-mcp": "src/mcp.js" + }, "scripts": { "start": "node src/index.js", + "mcp": "node src/mcp.js", "test": "jest --coverage --runInBand" }, "engines": { "node": ">=18" }, "dependencies": { + "@modelcontextprotocol/sdk": "^1.30.0", "axios": "^1.7.0", "express": "^4.19.0", "multer": "^1.4.5-lts.1", - "xml2js": "^0.6.0" + "xml2js": "^0.6.0", + "zod": "^4.4.3" }, "devDependencies": { "jest": "^30.4.2", diff --git a/src/mcp-server.js b/src/mcp-server.js new file mode 100644 index 0000000..e46cdb9 --- /dev/null +++ b/src/mcp-server.js @@ -0,0 +1,153 @@ +const { McpServer } = require('@modelcontextprotocol/sdk/server/mcp.js'); +const { z } = require('zod'); +const { WebshareClient } = require('./webshare'); + +function formatSize(bytes) { + if (!Number.isFinite(bytes) || bytes <= 0) return '0 B'; + const units = ['B', 'KB', 'MB', 'GB', 'TB']; + let i = 0; + let n = bytes; + while (n >= 1024 && i < units.length - 1) { + n /= 1024; + i++; + } + return `${n.toFixed(i === 0 ? 0 : 1)} ${units[i]}`; +} + +/** + * Build an MCP server that exposes Webshare search and link resolution tools. + * @param {{ username: string, password: string }} credentials + */ +function createWebshareMcpServer({ username, password }) { + const client = new WebshareClient(username, password); + const server = new McpServer({ + name: 'webshare-api', + version: '1.0.0', + }); + + server.registerTool( + 'webshare_search', + { + title: 'Search Webshare', + description: + 'Search Webshare.cz for files (default category: video). Returns ident, name, size, and votes for each hit. Use ident with webshare_get_link to resolve a download URL.', + inputSchema: { + query: z.string().min(1).describe('Search query (title, SxxExx, etc.)'), + limit: z + .number() + .int() + .min(1) + .max(100) + .optional() + .describe('Max results (1-100, default 25)'), + offset: z + .number() + .int() + .min(0) + .optional() + .describe('Result offset for pagination (default 0)'), + sort: z + .enum(['rating', 'recent', 'largest', 'smallest']) + .optional() + .describe('Sort order (default rating)'), + category: z + .string() + .optional() + .describe('Webshare category filter (default video)'), + }, + }, + async ({ query, limit, offset, sort, category }) => { + try { + await client.ensureAuth(); + const results = await client.search(query, { + limit: limit || 25, + offset: offset || 0, + sort: sort || 'rating', + category: category || 'video', + }); + + const lines = results.map( + (f, i) => + `${i + 1}. ${f.name}\n ident: ${f.ident}\n size: ${formatSize(f.size)} (${f.size} bytes)\n votes: ${f.votes}` + ); + const text = + results.length === 0 + ? `No results for query: ${query}` + : `Found ${results.length} result(s) for "${query}":\n\n${lines.join('\n\n')}`; + + return { + content: [{ type: 'text', text }], + structuredContent: { query, count: results.length, results }, + }; + } catch (err) { + return { + isError: true, + content: [{ type: 'text', text: `webshare_search failed: ${err.message}` }], + }; + } + } + ); + + server.registerTool( + 'webshare_get_link', + { + title: 'Resolve Webshare download link', + description: + 'Resolve a temporary HTTPS CDN download/stream URL for a Webshare file ident. Links expire after a short time (~10 minutes). Requires an authenticated Webshare account.', + inputSchema: { + ident: z + .string() + .min(1) + .describe('Webshare file ident from webshare_search results'), + }, + }, + async ({ ident }) => { + try { + const link = await client.getFileLink(ident); + return { + content: [ + { + type: 'text', + text: `Resolved link for ident ${ident} (expires soon):\n${link}`, + }, + ], + structuredContent: { ident, link }, + }; + } catch (err) { + return { + isError: true, + content: [{ type: 'text', text: `webshare_get_link failed: ${err.message}` }], + }; + } + } + ); + + server.registerTool( + 'webshare_login_check', + { + title: 'Check Webshare authentication', + description: + 'Verify that WEBSHARE_USERNAME / WEBSHARE_PASSWORD work by performing a login against the Webshare API.', + inputSchema: {}, + }, + async () => { + try { + await client.ensureAuth(); + return { + content: [{ type: 'text', text: 'Webshare authentication OK.' }], + structuredContent: { ok: true }, + }; + } catch (err) { + return { + isError: true, + content: [{ type: 'text', text: `Authentication failed: ${err.message}` }], + structuredContent: { ok: false, error: err.message }, + }; + } + } + ); + + return server; +} + +module.exports = { createWebshareMcpServer, formatSize }; diff --git a/src/mcp.js b/src/mcp.js new file mode 100755 index 0000000..88ec0c0 --- /dev/null +++ b/src/mcp.js @@ -0,0 +1,32 @@ +#!/usr/bin/env node +/** + * MCP stdio entrypoint for AI agents. + * + * Configure clients with: + * command: node + * args: ["…/webshare-api/src/mcp.js"] + * env: { WEBSHARE_USERNAME, WEBSHARE_PASSWORD } + * + * Do not write application logs to stdout — it is reserved for the MCP protocol. + */ +const { StdioServerTransport } = require('@modelcontextprotocol/sdk/server/stdio.js'); +const { createWebshareMcpServer } = require('./mcp-server'); + +async function main() { + const username = process.env.WEBSHARE_USERNAME; + const password = process.env.WEBSHARE_PASSWORD; + if (!username || !password) { + console.error('WEBSHARE_USERNAME and WEBSHARE_PASSWORD must be set'); + process.exit(1); + } + + const server = createWebshareMcpServer({ username, password }); + const transport = new StdioServerTransport(); + await server.connect(transport); + console.error('webshare-api MCP server running on stdio'); +} + +main().catch((err) => { + console.error('MCP server failed:', err); + process.exit(1); +}); diff --git a/src/webshare.js b/src/webshare.js index 8e9dbd5..cced515 100644 --- a/src/webshare.js +++ b/src/webshare.js @@ -34,7 +34,8 @@ class WebshareClient { }); if (r2.status !== 'OK') throw new Error(`login() failed: ${r2.message}`); this.wst = r2.token; - console.log('Webshare: authenticated'); + // stderr only — MCP stdio must keep stdout clean + console.error('Webshare: authenticated'); } async ensureAuth() { @@ -43,8 +44,8 @@ class WebshareClient { await this._loginPromise; } - async search(query, { limit = 30, offset = 0, sort = 'rating' } = {}) { - const data = { what: query, category: 'video', sort, limit, offset }; + async search(query, { limit = 30, offset = 0, sort = 'rating', category = 'video' } = {}) { + const data = { what: query, category, sort, limit, offset }; if (this.wst) data.wst = this.wst; const r = await post('search', data); if (!r.file) return [];