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Web Search MCP Server

Enables comprehensive web searching and content extraction using multiple search engines (Bing, Brave, DuckDuckGo) without API keys. Provides tools for full web searches with content extraction, quick search summaries, and single webpage content retrieval.

→ mrkrsl/web-search-mcp· listed on glama
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// key findings
⚠️
Known vulnerabilities in dependencies: 19 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
// known CVEs in dependencies19 high12 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.15.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.15.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.15.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highaxios@1.6.8GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.6.8GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configBROWSER_FALLBACK_THRESHOLD— Number of axios failures before using browser fallback (default: 3)
configBROWSER_HEADLESS— "": "true",
configBROWSER_TYPES— Comma-separated list of browser types to use (default: 'chromium,firefox', options: chromium, firefox, webkit)
configDEFAULT_TIMEOUT— Default timeout for requests in milliseconds (default: 6000)
configENABLE_RELEVANCE_CHECKING— Enable/disable search result quality validation (default: true)
configFORCE_MULTI_ENGINE_SEARCH— Try all search engines and return best results (default: false)
configMAX_BROWSERS— Maximum number of browser instances to maintain (default: 3)
configMAX_CONTENT_LENGTH— Content Length Issues: If you experience odd behavior due to content length limits, try setting "": "10000", or another value, in your mcp.json environment variables:
configRELEVANCE_THRESHOLD— Minimum quality score for search results (0.0-1.0, default: 0.3)
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/mrkrsl-web-search-mcp-0cyo0d)](https://m8ven.ai/mcp/mrkrsl-web-search-mcp-0cyo0d)
commit: eeb03f88525cbf74c4019e59a3fea45a537a760b
code hash: 7a726e3c12d0f7fd91ff9581129950e607ea3fb460a94d239a745b7dffd53f53
verified: 6/17/2026, 12:34:55 PM
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