Sentinel is a web-based security product that detects and blocks prompt injection attacks, encoding bypasses, and credential exposure in AI agents. Below are 20 llm eval & observability apps with similar functionality to Sentinel, matched by what each product actually does — not ranked or scored. Explore each to find the closest fit for your use case.
SentinelAI is a browser extension and companion Windows app that leverages AI to analyze web pages and emails for phishing and online threats in real time. It provides instant safety ratings, privacy protection, and customizable alerts for users browsing the web or checking email.
Agent Sentinel is a platform that enforces real-time policy, budget, and human oversight for AI agents through a runtime authority layer. It enables organizations to control agent actions, ensuring compliance and safety in automated workflows.
Sentinel is an open source platform for running autonomous agents that automate browser tasks, schedule operations, and execute coding workflows. It features a custom Python agent runtime, persistent memory, browser automation via Playwright, permission controls, and a user interface for managing sessions and approvals. Designed for developers and technical teams seeking a self-hosted, extensible agent framework.
AI-powered security scanning and autonomous remediation platform
sentinel-code is an open-source, terminal-native AI coding agent that autonomously generates and repairs code using multiple LLM providers. It is SOP-driven and designed for developers and DevOps engineers seeking automated, self-healing code workflows from the command line.
sentinel-sim is an open-source Python SDK that provides routing, orchestration, and observability for AI agent tools. It helps developers build, monitor, and manage agent-based systems with ease.
AI model security scanner — scan any HuggingFace model for vulnerabilities, CVEs, misconfigurations, prompt injection, and bias.
Sentinely is an open-source Python package that acts as a security layer for AI agents, helping developers prevent prompt injection, memory poisoning, and agent drift. It is easy to integrate and designed for use in LLM-based agent systems.
sentinel-engine is a web-based platform that provides automated security auditing for smart contracts on various blockchains. It offers advanced analysis, reporting, and pro features to help developers and auditors identify vulnerabilities and improve contract security.
agentsentinel-cli is an open-source command-line tool that provides security scanning, static analysis, supply chain auditing, and multi-agent trust analysis for AI agents and MCP servers. It helps developers and security engineers identify vulnerabilities and ensure compliance with security best practices in agentic systems.
Sentinel is a monitoring platform built for agencies and developers to track uptime, SSL certificates, DNS changes, and API health across client portfolios. It provides instant alerts via Slack, email, and SMS, and supports advanced monitoring features like keyword and ICMP checks, helping users keep sites online and secure.
Sentinel SCA is a governance infrastructure platform for AI agents, enabling organizations to verify agent identity, enforce deterministic policies, and record signed decisions for audit and compliance. It provides APIs and dashboards for teams deploying autonomous agents, ensuring actions are safe and traceable before execution.
neurosentinel is an AI security tool designed to protect and monitor multi-agent large language model (LLM) pipelines. It provides features for detecting threats and ensuring safe operation of AI workflows, targeting developers and security professionals working with advanced AI systems.
AI Agent Security Guardian for macOS — monitors system health and AI agent behavior (file access, network connections, risky commands) with smart alerts
Sentinel Audit is a web-based platform that leverages AI to analyze and audit Solidity smart contracts for security vulnerabilities. It provides fix guidance and workflow tools to streamline the audit process for blockchain developers and security professionals.
SafePrompt is an API service that detects and blocks prompt injection attacks in AI-powered applications. It provides fast, accurate validation of user inputs, integrates easily via API or Chrome extension, and is designed for developers building secure AI apps.
akita-sentinel is an open-source CLI tool for monitoring local AI agents and scanning new skills before they run. It provides security governance and supports the Model Context Protocol (MCP), making it useful for developers building or deploying autonomous agents locally.
sentinel-cli is an open-source command-line tool and MCP server for the Sentinel DevOps portal. It enables DevOps engineers to manage deployments, services, and projects efficiently from the terminal, supporting automation and integration in modern DevOps workflows.
agent-shield-int is an open-source API and library for detecting prompt injection attacks in large language model (LLM) applications. It uses a five-layer detection approach combining Vigil, DistilBERT, mDeBERTa, rules, and Groq. Designed for developers and security teams integrating AI safely.
MCP server for Sentinel prediction markets — trade as an AI agent via Claude Desktop, Cursor, or Claude Code
