Agent Search MCPSearchBrowser AutomationlennneyAlicenseAqualityAmaintenanceFree multi-source search for AI agents with multi-source verification, token savings, and MCP native support. Updated 8 days ago (2026-09-21 13:36 UTC)7169 npm111Apache 2.0
SentinelGateofficialSecurityAgent OrchestrationSentinel-GateAlicense-Not gradedqualityAmaintenanceOpen-source MCP proxy that enforces security policies, content scanning, and audit logging between AI agents and tool servers Updated 5 months ago (2026-04-20 11:08 UTC)25AGPL 3.0
guardrails-mcp-serverSecurityAI & Machine LearningExpertVagabondAlicense-Not gradedqualityBmaintenanceMCP server for AI agent security guardrails. Provides input validation, prompt injection detection, PII redaction, output filtering, policy enforcement, rate limiting, and comprehensive audit logging. Updated 22 days ago (2026-09-08 02:24 UTC)45 npm1MIT
mcp-doormanSecurityMonitoringSushank05Alicense-Not gradedqualityCmaintenanceA drop-in proxy that guards MCP servers with policy enforcement, secret redaction, prompt-injection screening, rug-pull detection, rate limiting, and audit logging. Updated 20 days ago (2026-09-10 06:53 UTC)6 npmApache 2.0
MCP SpineDeveloper ToolsAutonomous AgentsAgent OrchestrationDonnyb369AlicenseAqualityFmaintenanceA local-first middleware proxy that proxies multiple MCP servers through a single entry with schema minification, semantic routing, security hardening, and state guard. Updated 5 months ago (2026-04-25 16:36 UTC)211MIT
AuthMCP GatewaySecurityMonitoringlogluxAlicense-Not gradedqualityBmaintenanceSecure MCP protocol proxy with OAuth2 + Dynamic Client Registration (DCR), JWT auth, RBAC, rate limiting, multi-server aggregation, and a monitoring/admin dashboard. Updated 3 months ago (2026-07-13 10:39 UTC)107 PyPI12MIT
mcp-trust-guardSecurityAutonomous AgentsThezenmonsterAlicense-Not gradedqualityDmaintenanceSecurity middleware for MCP servers. Trust-based access control, rate limiting, and audit logging. Zero dependencies. Updated 6 months ago (2026-03-27 02:20 UTC)5 npmMIT