MyWebSearch

🇨🇳 中文 | 🇺🇸 English

my-websearch provides an MCP server, CLI, and local daemon, and can also be paired with skill-guided agent workflows for live web search and content retrieval without API keys.

Features

• Web search using multi-engine results
  • Domestic engines (no proxy needed): bing, baidu, csdn, juejin, sogou
  • Overseas engines (⚠️ proxy required in mainland China): duckduckgo, exa, brave, startpage
• HTTP proxy configuration support for accessing restricted resources
• No API keys or authentication required
• Returns structured results with titles, URLs, and descriptions
• Configurable number of results per search
• Customizable default search engine
• Support for fetching individual article content
  • csdn
  • github (README files)
  • generic HTTP(S) page / Markdown content

Choose the Right Path

• MCP
  • Best when you want to connect my-websearch to Claude Desktop, Cherry Studio, Cursor, or another MCP client.
• CLI
  • Best for one-shot local commands, shell scripts, and direct terminal usage.
• Local daemon
  • Best when you want a reusable long-lived local HTTP service exposing status, GET /health, and POST /search / POST /fetch-*. Start it explicitly with my-websearch serve and check it with my-websearch status.
• Skill
  • Best as an agent-facing guidance layer for setup and usage. A skill does not replace MCP, CLI, or the local daemon; it typically works together with the CLI and/or local daemon to help an agent discover, activate, and use the smallest working path.

Use with a Skill

Install the my-websearch skill for your agent first:

npx skills add https://gitee.com/wtznicy/my-websearch --skill my-websearch

On first use, the skill typically follows this path: detect whether a usable my-websearch path already exists, guide setup/enablement if it does not, validate that the capability is active, and only then continue with search or fetch through the smallest working path.

If the current environment cannot complete setup or activation automatically, you can explicitly have the agent start the local daemon first:

my-websearch serve
my-websearch status

Keep installation proxy settings separate from runtime proxy settings:

• Installation proxy / mirror
  • Use this when the skill or agent is installing my-websearch, playwright, or other npm packages.
  • In restricted networks, npm-specific flags or npm config often work better than generic shell proxy variables, for example:

npm --proxy http://127.0.0.1:7890 --https-proxy http://127.0.0.1:7890 install -g my-websearch

• Runtime proxy
  • Use this when the daemon is already installed and is about to perform live search / fetch work.
  • This affects the my-websearch network traffic after serve starts, for example:

USE_PROXY=true PROXY_URL=http://127.0.0.1:7890 my-websearch serve

If the agent can only get through the package-install step with npm proxy settings, but live search/fetch also needs a proxy after startup, those are two separate configuration steps and should be handled separately.

CLI and Local Daemon

CLI is for one-shot execution. The local daemon is a long-lived local HTTP service for repeated calls with lower startup friction. Use my-websearch serve as the explicit daemon start command and my-websearch status as the explicit daemon status command.

Action commands such as search and fetch-web try the default local daemon first when it is available. If you pass --daemon-url, that daemon path becomes explicit and silent fallback to direct execution is disabled.

Build first:

npm run build

Start the local daemon:

npm run serve
# globally installed: my-websearch serve

Check status:

npm run status -- --json
# globally installed: my-websearch status --json

Run a one-shot local CLI search:

npm run search:cli -- "open web search" --json

Notes:

• Bare my-websearch is the MCP server compatibility entrypoint, not the recommended daemon start command for agent automation.
• For content extraction, prefer searching first and then fetching a more specific result page. Some homepages and JS-heavy landing pages may not expose readable article text through fetch-web.
• --min-results N on search auto-runs additional engines (not already requested) until at least N results come back; defaults to off.
• Bing's HTTP mode is the most anti-bot-prone engine. If you hit verification pages often: (a) spread load with engines: ["duckduckgo", "brave"] on Bing-unrelated queries, or (b) set BING_PLAYWRIGHT_FALLBACK=false plus --min-results so a blocked Bing automatically cascades to lighter engines instead of launching a Playwright browser.
• cache-clear clears the in-memory search TTL cache — useful after an engine recovers from an outage or when a stale anti-bot page got cached:

  my-websearch cache-clear
  

For the local daemon HTTP API (serve, status, GET /health, POST /search, POST /fetch-*, POST /cache/clear), see docs/http-api.md.

Installation Guide

If you are using my-websearch as an MCP server, continue with the MCP-oriented setup below.

NPX Quick Start (Recommended)

The fastest way to get started:

# Basic usage
npx my-websearch@latest

# With environment variables (Linux/macOS)
DEFAULT_SEARCH_ENGINE=bing ENABLE_CORS=true npx my-websearch@latest

# Windows PowerShell
$env:DEFAULT_SEARCH_ENGINE="bing"; $env:ENABLE_CORS="true"; npx my-websearch@latest

# Windows CMD
set MODE=stdio && set DEFAULT_SEARCH_ENGINE=bing && npx my-websearch@latest

# Cross-platform (requires cross-env, Used for local development)
npm install -g my-websearch
npx cross-env DEFAULT_SEARCH_ENGINE=bing ENABLE_CORS=true my-websearch

Environment Variables:

Variable	Default	Options	Description
ENABLE_CORS	false	true, false	Enable CORS
CORS_ORIGIN	*	Any valid origin	CORS origin configuration
DEFAULT_SEARCH_ENGINE	bing	bing, duckduckgo, exa, brave, baidu, csdn, juejin, startpage, sogou	Default search engine
USE_PROXY	false	true, false	Enable HTTP proxy
PROXY_URL	http://127.0.0.1:7890	Any valid URL	Proxy server URL
PROXY_ENGINES	empty (all engines)	Comma-separated engine names	With USE_PROXY=true, only the engines in this whitelist route through the proxy; others stay direct. Empty = all engines proxied (legacy global behavior). Recommended for mainland China: PROXY_ENGINES=duckduckgo,exa,brave,startpage (overseas engines via proxy, domestic engines direct)
FAKE_IP_CIDRS	empty	Comma-separated CIDR list	Treat DNS answers in these CIDRs as synthetic fake-IP results and do not block them as private-network DNS answers. Literal private/local targets and other private-network DNS answers remain blocked
FETCH_WEB_INSECURE_TLS	false	true, false	Disable TLS certificate verification for fetchWebContent only. Use only when a target site has a broken certificate chain
MODE	both	both, http, stdio	Server mode: both HTTP+STDIO, HTTP only, or STDIO only
PORT	3211	1-65535	Server port (MCP HTTP/S; CLI daemon uses 3210 by default)
ALLOWED_SEARCH_ENGINES	empty (all available)	Comma-separated engine names	Limit which search engines can be used; if the default engine is not in this list, the first allowed engine becomes the default
SEARCH_MODE	auto	request, auto, playwright	Search strategy. Currently only affects Bing: request only, request then Playwright fallback, or force Playwright
BING_PLAYWRIGHT_FALLBACK	true	true, false	In auto mode, when Bing's request mode hits an anti-bot page: true = launch a Playwright browser (slow, ~400MB); false = surface the error so the search service can cascade to lighter engines (e.g. duckduckgo/brave) via minResults
PLAYWRIGHT_PACKAGE	auto	auto, playwright, playwright-core	Which Playwright client package to resolve when browser mode is enabled
PLAYWRIGHT_MODULE_PATH	empty	Absolute path or project-relative path	Reuse an existing Playwright client package outside this project
PLAYWRIGHT_EXECUTABLE_PATH	empty	Any valid browser binary path	Launch an existing Chromium/Chrome executable without installing bundled browsers
PLAYWRIGHT_WS_ENDPOINT	empty	Valid Playwright ws:// / wss:// endpoint	Connect to an existing remote Playwright browser server
PLAYWRIGHT_CDP_ENDPOINT	empty	Valid Chromium CDP endpoint	Connect to an existing Chromium instance over CDP
PLAYWRIGHT_HEADLESS	true	true, false	Whether Playwright Chromium runs in headless mode
PLAYWRIGHT_NAVIGATION_TIMEOUT_MS	20000	Positive integer	Timeout for Playwright navigation and Bing result waits
MCP_TOOL_SEARCH_NAME	search	Valid MCP tool name	Custom name for the search tool
MCP_TOOL_FETCH_CSDN_NAME	fetchCsdnArticle	Valid MCP tool name	Custom name for the CSDN article fetch tool
MCP_TOOL_FETCH_GITHUB_NAME	fetchGithubReadme	Valid MCP tool name	Custom name for the GitHub README fetch tool
MCP_TOOL_FETCH_JUEJIN_NAME	fetchJuejinArticle	Valid MCP tool name	Custom name for the Juejin article fetch tool
MCP_TOOL_FETCH_WEB_NAME	fetchWebContent	Valid MCP tool name	Custom name for generic web/Markdown fetch tool
EXA_API_KEY	empty	Any valid Exa API key	可选（仅 exa 引擎需要）。exa 的免 key 网页端点已失效，想用 exa 引擎时在 https://dashboard.exa.ai/api-keys 免费申请并配置到 MCP 客户端 env；不配置只影响 exa 一个引擎，其余引擎不受影响
LOG_LEVEL	normal	normal, quiet	quiet 抑制启动配置日志（MCP stdio 裸启动默认已静默；诊断时可用 LOG_LEVEL=normal 恢复）
OPEN_WEBSEARCH_QUIET_STARTUP	false	true, false	抑制启动配置日志（兼容开关，LOG_LEVEL=quiet 与之等价）

Optional: configure EXA_API_KEY (only needed if you want to use the exa engine)

EXA_API_KEY is optional — every other engine (bing, baidu, csdn, juejin, sogou, duckduckgo, brave, startpage) works without it. Only configure it if you want to use exa: its old keyless web endpoint has been shut down by upstream (returns 500), so exa needs a free key from https://dashboard.exa.ai/api-keys, configured in your MCP client:

Claude Desktop (claude_desktop_config.json):

{
  "mcpServers": {
    "web-search": {
      "command": "npx",
      "args": ["-y", "my-websearch@latest"],
      "env": {
        "MODE": "stdio",
        "EXA_API_KEY": "<your-key>"
      }
    }
  }
}

Cherry Studio / VSCode (Claude Dev): same env field, add "EXA_API_KEY": "<your-key>" to the server's environment variables.

ZCode (~/.zcode/cli/config.json → mcp.servers):

"my-websearch": {
  "type": "stdio",
  "command": "D:\\nodejs\\node.exe",
  "args": ["D:\\path\\to\\build\\index.js"],
  "env": {
    "MODE": "stdio",
    "EXA_API_KEY": "<your-key>"
  }
}

CLI one-shot (no config file needed):

EXA_API_KEY=<your-key> my-websearch search "query" --engines exa
# Windows PowerShell:
# $env:EXA_API_KEY="<your-key>"; my-websearch search "query" --engines exa

If the key is missing, the exa engine fails fast with an error message that includes these instructions instead of silently returning nothing.

Common configurations:

# Enable proxy for restricted regions
USE_PROXY=true PROXY_URL=http://127.0.0.1:7890 npx my-websearch@latest

# Only if a target website has a broken certificate chain
FETCH_WEB_INSECURE_TLS=true npx my-websearch@latest

# Request first, then fallback to Playwright if available
SEARCH_MODE=auto npx my-websearch@latest

# Force request-only Bing search
SEARCH_MODE=request npx my-websearch@latest

# Full configuration
DEFAULT_SEARCH_ENGINE=bing ENABLE_CORS=true USE_PROXY=true PROXY_URL=http://127.0.0.1:7890 PORT=8080 npx my-websearch@latest

Proxy guidance for mainland China:

duckduckgo, exa, brave, and startpage are overseas engines and cannot be reached without a proxy from mainland China — they will time out or return errors. Domestic engines (bing, baidu, csdn, juejin, sogou) work without a proxy.

Use PROXY_ENGINES to keep domestic engines on a fast direct connection while routing only the overseas engines through the proxy (avoiding the redirects/timeouts that a global proxy causes for Chinese engines):

USE_PROXY=true PROXY_URL=http://127.0.0.1:7890 PROXY_ENGINES=duckduckgo,exa,brave,startpage npx my-websearch@latest

If a search includes overseas engines but the proxy is off, those engines will fail fast instead of hanging until timeout: my-websearch probes direct connectivity to duckduckgo/brave/startpage (3s timeout, one retry, result cached for 5 minutes) — unreachable engines immediately return a "proxy required, or use domestic engines" error, while reachable engines (e.g. overseas users) work normally. exa is excluded from probing because api.exa.ai is directly reachable from mainland China. When the proxy is on, engines in PROXY_ENGINES are never probed — they go straight through the proxy.

Browser-enhanced Bing fallback is opt-in. The published package does not bundle Playwright anymore. Enable it manually with one of these setups:

1. Full local Playwright install:

npm install playwright
npx playwright install chromium
SEARCH_MODE=auto npx my-websearch@latest

1. Reuse an existing browser binary with a slim client:

npm install playwright-core
PLAYWRIGHT_PACKAGE=playwright-core PLAYWRIGHT_EXECUTABLE_PATH=/path/to/chromium SEARCH_MODE=auto npx my-websearch@latest

1. Reuse a Playwright package that already exists elsewhere on the machine:

PLAYWRIGHT_MODULE_PATH=/absolute/path/to/node_modules/playwright SEARCH_MODE=playwright npx my-websearch@latest

1. Connect to an existing remote browser:

npm install playwright-core
PLAYWRIGHT_PACKAGE=playwright-core PLAYWRIGHT_WS_ENDPOINT=ws://127.0.0.1:3000/ SEARCH_MODE=auto npx my-websearch@latest

1. Reuse a local Chrome/Chromium session over CDP:

npm install playwright-core

# Start Chrome/Chromium with a debugging port first
chrome --remote-debugging-port=9222 --user-data-dir=/tmp/my-websearch-chrome

# Then connect through CDP
PLAYWRIGHT_PACKAGE=playwright-core PLAYWRIGHT_CDP_ENDPOINT=http://127.0.0.1:9222 SEARCH_MODE=auto npx my-websearch@latest

This is the most practical setup when you want to reuse your own logged-in or previously verified browser session.

Windows PowerShell example:

npm install playwright-core

& "$env:LOCALAPPDATA\Google\Chrome\Application\chrome.exe" `
  --remote-debugging-port=9222 `
  --user-data-dir="$env:TEMP\my-websearch-chrome"

$env:PLAYWRIGHT_PACKAGE="playwright-core"
$env:PLAYWRIGHT_CDP_ENDPOINT="http://127.0.0.1:9222"
$env:SEARCH_MODE="auto"
npx my-websearch@latest

Mode behavior:

• request: only uses request-based Bing scraping
• auto: tries request first, and only falls back to Playwright when request fails and a manually accessible Playwright client + browser are available
• playwright: forces Playwright and errors if the configured Playwright client or browser target is unavailable

Notes:

• PLAYWRIGHT_MODULE_PATH takes precedence over PLAYWRIGHT_PACKAGE
• PLAYWRIGHT_WS_ENDPOINT takes precedence over PLAYWRIGHT_CDP_ENDPOINT
• Remote endpoints ignore PLAYWRIGHT_EXECUTABLE_PATH and local proxy launch flags
• When Playwright is available, blocked CSDN/Zhihu article fetches and generic web fetches can also retry with browser-acquired cookies
• Without Playwright, fetchWebContent stays on the request-only path. Public pages can still work, but pages that require browser cookies or browser-rendered HTML may fail.

Local Installation

1. Clone or download this repository
2. Install dependencies:

npm install

This installs the core MCP server only. Browser fallback remains optional until you install or connect a Playwright client yourself.
3. Build the server:

npm run build

1. Add the server to your MCP configuration:

Cherry Studio:

{
  "mcpServers": {
    "web-search": {
      "name": "Web Search MCP",
      "type": "streamableHttp",
      "description": "Multi-engine web search with article fetching",
      "isActive": true,
      "baseUrl": "http://localhost:3211/mcp"
    }
  }
}

VSCode (Claude Dev Extension):

{
  "mcpServers": {
    "web-search": {
      "transport": {
        "type": "streamableHttp",
        "url": "http://localhost:3211/mcp"
      }
    },
    "web-search-sse": {
      "transport": {
        "type": "sse",
        "url": "http://localhost:3211/sse"
      }
    }
  }
}

Claude Desktop:

{
  "mcpServers": {
    "web-search": {
      "type": "http",
      "url": "http://localhost:3211/mcp"
    },
    "web-search-sse": {
      "type": "sse",
      "url": "http://localhost:3211/sse"
    }
  }
}

NPX Command Line Configuration:

{
  "mcpServers": {
    "web-search": {
      "args": [
        "my-websearch@latest"
      ],
      "command": "npx",
      "env": {
        "MODE": "stdio",
        "DEFAULT_SEARCH_ENGINE": "bing",
        "ALLOWED_SEARCH_ENGINES": "bing,duckduckgo,exa"
      }
    }
  }
}

Windows NPX configuration:

{
  "mcpServers": {
    "web-search": {
      "command": "cmd",
      "args": [
        "/c",
        "npx",
        "-y",
        "my-websearch@latest"
      ],
      "env": {
        "MODE": "stdio",
        "DEFAULT_SEARCH_ENGINE": "bing",
        "SYSTEMROOT": "C:/Windows"
      }
    }
  }
}

Proxy and TLS notes:

• my-websearch now disables Axios environment-proxy auto-detection internally and only uses the explicit USE_PROXY + PROXY_URL path.
• When USE_PROXY=true, all Axios-based network requests follow the configured PROXY_URL path instead of mixing direct requests with environment-proxy behavior.
• If PROXY_URL points to a local rule-based proxy client, that client can still decide which destinations go DIRECT and which ones are proxied.
• If PROXY_URL points to a fixed upstream proxy or overseas egress, region-sensitive sites such as Baidu, CSDN, Juejin, or GitHub may behave differently than before.
• If your host machine already sets HTTP_PROXY or HTTPS_PROXY, they will no longer override the server's internal request behavior.
• Prefer configuring NODE_EXTRA_CA_CERTS on Windows when a site has a missing intermediate CA.
• Use FETCH_WEB_INSECURE_TLS=true only as a last resort for fetchWebContent, since it weakens TLS verification.

Local STDIO Configuration for Cherry Studio (Windows):

{
  "mcpServers": {
    "my-websearch-local": {
      "command": "node",
      "args": ["C:/path/to/your/project/build/index.js"],
      "env": {
        "MODE": "stdio",
        "DEFAULT_SEARCH_ENGINE": "bing",
        "ALLOWED_SEARCH_ENGINES": "bing,duckduckgo,exa"
      }
    }
  }
}

Usage Guide

The server provides seven tools: search, resolveLibraryId, queryDocs, fetchCsdnArticle, fetchGithubReadme, fetchJuejinArticle, and fetchWebContent.

For the local daemon HTTP API (serve, status, GET /health, POST /search, POST /fetch-*), see docs/http-api.md.

search Tool Usage

{
  "query": string,        // Search query
  "limit": number,        // Optional: Number of results to return (default: 10)
  "engines": string[],    // Optional: Engines to use (bing,baidu,csdn,duckduckgo,exa,brave,juejin,startpage,sogou) default runtime-configured engine. Note: duckduckgo/exa/brave/startpage need a proxy from mainland China (see PROXY_ENGINES)
  "searchMode": string    // Optional: request, auto, or playwright (currently only affects Bing)
}

Usage example:

use_mcp_tool({
  server_name: "web-search",
  tool_name: "search",
  arguments: {
    query: "search content",
    limit: 3,  // Optional parameter
    engines: ["bing", "csdn", "duckduckgo", "exa", "brave", "juejin", "sogou"] // Optional parameter, supports multi-engine combined search
  }
})

Response example:

[
  {
    "title": "Example Search Result",
    "url": "https://example.com",
    "description": "Description text of the search result...",
    "source": "Source",
    "engine": "Engine used"
  }
]

fetchCsdnArticle Tool Usage

Used to fetch complete content of CSDN blog articles.

{
  "url": string    // URL from CSDN search results using the search tool
}

Usage example:

use_mcp_tool({
  server_name: "web-search",
  tool_name: "fetchCsdnArticle",
  arguments: {
    url: "https://blog.csdn.net/xxx/article/details/xxx"
  }
})

Response example:

[
  {
    "content": "Example search result"
  }
]

fetchGithubReadme Tool Usage

Used to fetch README content from GitHub or Gitee repositories (Gitee uses the official API, reachable without a proxy).

{
  "url": string    // GitHub/Gitee repository URL (supports HTTPS, SSH formats)
}

Usage example:

use_mcp_tool({
  server_name: "web-search",
  tool_name: "fetchGithubReadme",
  arguments: {
    url: "https://gitee.com/wtznicy/my-websearch"
  }
})

Supported URL formats:

• GitHub HTTPS: https://github.com/owner/repo
• GitHub HTTPS with .git: https://github.com/owner/repo.git
• GitHub SSH: git@github.com:owner/repo.git
• URLs with parameters: https://github.com/owner/repo?tab=readme
• Gitee HTTPS: https://gitee.com/owner/repo
• Gitee SSH: git@gitee.com:owner/repo.git

Response example:

[
  {
    "content": "<div align=\"center\">\n\n# MyWebSearch MCP Server..."
  }
]

fetchWebContent Tool Usage

Fetch content directly from public HTTP(S) links, including Markdown files (.md) and ordinary web pages.

{
  "url": string,         // Public HTTP(S) URL
  "maxChars": number     // Optional: max returned content length (1000-200000, default 30000)
}

Usage example:

use_mcp_tool({
  server_name: "web-search",
  tool_name: "fetchWebContent",
  arguments: {
    url: "https://gitee.com/wtznicy/my-websearch/raw/main/README.md",
    maxChars: 12000
  }
})

Response example:

{
  "url": "https://gitee.com/wtznicy/my-websearch/raw/main/README.md",
  "finalUrl": "https://gitee.com/wtznicy/my-websearch/raw/main/README.md",
  "contentType": "text/plain; charset=utf-8",
  "title": "",
  "truncated": false,
  "content": "# MyWebSearch MCP Server ..."
}

fetchJuejinArticle Tool Usage

Used to fetch complete content of Juejin articles.

{
  "url": string    // Juejin article URL from search results
}

Usage example:

use_mcp_tool({
  server_name: "web-search",
  tool_name: "fetchJuejinArticle",
  arguments: {
    url: "https://juejin.cn/post/7520959840199360563"
  }
})

Supported URL format:

• https://juejin.cn/post/{article_id}

Response example:

[
  {
    "content": "🚀 开源 AI 联网搜索工具：MyWebSearch MCP 全新升级，支持多引擎 + 流式响应..."
  }
]

Usage Limitations

Since this tool works by scraping multi-engine search results, please note the following important limitations:

1. Rate Limiting:

   • Too many searches in a short time may cause the used engines to temporarily block requests
   • Recommendations:
     • Maintain reasonable search frequency
     • Use the limit parameter judiciously
     • Add delays between searches when necessary
   • Brave is the strictest: it throttles consecutive automated requests aggressively — a burst of searches triggers HTTP 429 for minutes (even from residential proxy IPs), and the block window outlasts short cooldowns. Use brave at low frequency; prefer duckduckgo / startpage as the daily overseas engines (they are stable and of similar quality). A 429 on brave fails fast and minResults cascade automatically falls back to other engines.

2. Result Accuracy:

   • Depends on the HTML structure of corresponding engines, may fail when engines update
   • Some results may lack metadata like descriptions
   • Complex search operators may not work as expected

3. Legal Terms:

   • This tool is for personal use only
   • Please comply with the terms of service of corresponding engines
   • Implement appropriate rate limiting based on your actual use case

4. Search Engine Configuration:

   • Default search engine can be set via the DEFAULT_SEARCH_ENGINE environment variable
   • Supported engines: bing, duckduckgo, exa, brave, baidu, csdn, juejin, startpage, sogou
   • Overseas engines (duckduckgo, exa, brave, startpage) require a proxy from mainland China (see PROXY_ENGINES); domestic engines (bing, baidu, csdn, juejin, sogou) work direct
   • The default engine is used when searching specific websites

5. Proxy Configuration:

   • HTTP proxy can be configured when certain search engines are unavailable in specific regions
   • Enable proxy with environment variable USE_PROXY=true
   • Configure proxy server address with PROXY_URL
   • With USE_PROXY=true, PROXY_ENGINES (comma-separated whitelist) limits which engines route through the proxy; empty = all engines proxied. Overseas engines (duckduckgo, exa, brave, startpage) require a proxy from mainland China, while domestic engines stay direct — recommended: PROXY_ENGINES=duckduckgo,exa,brave,startpage
   • For Clash fake-ip / TUN setups, configure synthetic DNS ranges with FAKE_IP_CIDRS (for example 198.18.0.0/15)

Contributing

Welcome to submit issue reports and feature improvement suggestions!

resolveLibraryId Tool Usage

Resolves a library/package name into a Context7-compatible library ID, with reputation and quality metadata. Powered by the Context7 documentation index — official, version-specific library docs without needing a separate MCP server.

{
  "libraryName": string,  // e.g. "Next.js", "express", "prisma"
  "query": string,        // The user's question, used to rank matches (e.g. "how to implement authentication")
  "limit": number         // Optional: max matches (default 5, max 10)
}

Usage example:

use_mcp_tool({
  server_name: "web-search",
  tool_name: "resolveLibraryId",
  arguments: {
    libraryName: "Next.js",
    query: "how to set up middleware with auth"
  }
})

queryDocs Tool Usage

Retrieves up-to-date, version-specific documentation snippets and code examples for a library. Use resolveLibraryId first if you don't know the library ID.

{
  "libraryId": string,  // Context7-compatible ID, e.g. "/vercel/next.js", "/packages/express" (optional version: "/vercel/next.js@v15.1.8")
  "query": string,      // The question or task to get relevant documentation for
  "limit": number       // Optional: max code snippets (default 5, max 10)
}

Usage example:

use_mcp_tool({
  server_name: "web-search",
  tool_name: "queryDocs",
  arguments: {
    libraryId: "/vercel/next.js",
    query: "how to set up middleware with authentication"
  }
})

Note: Both Context7 tools call the public REST API directly (no API key required at low rate limits). Set CONTEXT7_API_KEY for higher rate limits.

Author & Acknowledgements

Author: wtznicy

This project is a modified fork of Open-WebSearch (originally by Aas-ee) — thanks to the original author for the great work.

Thanks also to these open-source projects:

• context7 (Upstash): powers the resolveLibraryId / queryDocs library-docs lookup
• fetch (official MCP servers): reference for the fetchWebContent web-fetching design