D
Caution
50/100
4 hours ago

open-webSearch

| 🇺🇸 English A Model Context Protocol (MCP) server based on multi-engine search results, supporting free web search without API keys. - Web search using multi-engine results - bing - baidu - ~~linux.

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

Aas-ee

Source: modelscope · also listed on PulseMCP, Smithery

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// key findings
⚠️
Known vulnerabilities in dependencies: 10 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 dependencies10 high6 medium12 low

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

highaxios@1.13.6GHSA-35jp-ww65-95wh

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

highaxios@1.13.6GHSA-3g43-6gmg-66jw

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

highaxios@1.13.6GHSA-6chq-wfr3-2hj9

Axios: Header Injection via Prototype Pollution

highaxios@1.13.6GHSA-777c-7fjr-54vf

Allocation of Resources Without Limits or Throttling in Axios

highaxios@1.13.6GHSA-hfxv-24rg-xrqf

Axios: Regular Expression Denial of Service (ReDoS) via Cookie Name Injection

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configALLOWED_SEARCH_ENGINESempty (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
configCORS_ORIGINAny valid origin CORS origin configuration
configDEFAULT_SEARCH_ENGINEduckduckgo ENABLE_CORS=true npx open-websearch@latest
configENABLE_CORSDEFAULT_SEARCH_ENGINE=duckduckgo =true npx open-websearch@latest
configFAKE_IP_CIDRSFor Clash fake-ip / TUN setups, configure synthetic DNS ranges with (for example 198.18.0.0/15)
configFETCH_WEB_INSECURE_TLSfalse true, false Disable TLS verification only for the request leg of fetchWebContent; it does not affect Playwright browser navigation. Use only for broken certificate chains
configMODEset =stdio && set DEFAULT_SEARCH_ENGINE=duckduckgo && npx open-websearch@latest
configOPEN_WEBSEARCH_DAEMON_ACTION_TIMEOUT_MS
configOPEN_WEBSEARCH_DAEMON_DISCOVERY_TIMEOUT_MS
configOPEN_WEBSEARCH_DAEMON_HOST
configOPEN_WEBSEARCH_DAEMON_PORT
configOPEN_WEBSEARCH_DAEMON_TIMEOUT_MS
configOPEN_WEBSEARCH_DAEMON_URL
configOPEN_WEBSEARCH_DEBUG
configOPEN_WEBSEARCH_PROFILE_DIRtmpdir>/open-websearch-browser-profiles Any writable directory Base directory for persistent local browser profiles (see browser state note below)
configOPEN_WEBSEARCH_QUIET_STARTUP
configPLAYWRIGHT_HEADLESStrue true, false Whether Playwright Chromium runs in headless mode
configPLAYWRIGHT_NAVIGATION_TIMEOUT_MS20000 Positive integer Timeout for Playwright navigation and Bing result waits
configPLAYWRIGHT_PACKAGEauto auto, playwright, playwright-core Which Playwright client package to resolve when browser mode is enabled
configPROGRAMFILES
configPROGRAMFILES(X86)
configPROXY_URLUSE_PROXY=true =http://127.0.0.1:7890 open-websearch serve
configSEARCH_MODEauto npx open-websearch@latest
configUSE_PROXYtrue PROXY_URL=http://127.0.0.1:7890 open-websearch serve
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// quality suggestions

Shell command execution

8 child_process/subprocess calls in production code — runs shell commands (src/cli/runCli.ts:843, src/utils/playwrightClient.ts:1113, src/utils/playwrightClient.ts:1126)

Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.

Production dependencies are patched

0 critical, 10 high severity in production deps — axios@1.13.6 (high), axios@1.13.6 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 2 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 Verified](https://m8ven.ai/badge/mcp/aas-ee-open-websearch-1ed19x?variant=verified)](https://m8ven.ai/mcp/aas-ee-open-websearch-1ed19x)
Shows verification status without the grade. Want the grade badge instead? Remove ?variant=verified from the URL.
commit: 7fb11eef5f3915ccb19e59a9fe9509c328c2f5c2
code hash: 004dc68c20d6eac72584aef40735dca6814d4f3a6192b0a95c75f8413ce26ff2
verified: 8/21/2026, 12:15:20 AM
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