MCP Server built for use with VS Code / Cline / Anthropic - enable google search and ability to follow links and research websites
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mixelpixx
Source: mcp.so
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`
axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge
ANTHROPIC_API_KEYyour_anthropic_api_keyBRAVE_API_KEYyour_brave_api_key_hereGOOGLE_API_KEYyour_google_api_key_hereGOOGLE_SEARCH_ENGINE_IDyour_search_engine_id_hereMCP_TRANSPORTNo stdio Transport mode: stdio or httpSEARCH_PROVIDERgoogle # Optional, defaults to google for backwards compatibilityTAVILY_API_KEYyour_tavily_api_key_hereUSAGE_MAX_COST_PER_MONTH10.00 # In USDUSAGE_MAX_SEARCHES_PER_MONTH2000 # Alert at 80% and 100%USAGE_TRACKING_DB_PATH./.mcp-usage-tracking.dbUSAGE_TRACKING_ENABLEDUSAGE_TRACKING_PERSISTUSE_DIRECT_APINo false Enable Direct API modePORTTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
8/8 tools missing one or more hints — google_search (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); extract_webpage_content (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); extract_multiple_webpages (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +5 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tool inputs are validated
Only 0/8 tool handlers declare input schemas (0%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tests exist
No test files found
Add tests that exercise each declared tool.
No eval / new Function
1 eval() or new Function() call — dynamic code execution
Replace eval / Function with explicit parsing or safer alternatives.
Shell command execution
1 child_process call — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Production dependencies are patched
0 critical, 17 high severity in production deps — @modelcontextprotocol/sdk@1.21.1 (high), @modelcontextprotocol/sdk@1.21.1 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dependency freshness
1/13 production deps stale: readability@2022-06-29 (4y)
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