MoorAI reviews prompts on the device — so content never leaves the machine, and it wraps the AI agents you already run: Claude Code, Codex, GitHub Copilot CLI. Every prompt is checked locally against policy before it reaches the agent, and security teams see only redacted, content-free signals.
Prompt Security is a gateway/cloud AI-security service — prompts are sent to the service for analysis. This is an honest, architecture-level comparison: on-device review versus gateway/cloud analysis.
Prompt Security and MoorAI are aimed at different blast radii. Prompt Security is a gateway/cloud layer for organization-wide gen-AI use: traffic to the SaaS AI tools and chatbots your whole company touches is routed through it and inspected in transit. MoorAI is narrower and closer in — it lives on each developer's machine and governs the coding agents they run, reviewing every prompt locally so the content never has to reach a gateway at all.
| MoorAI | Prompt Security | |
|---|---|---|
| Where prompts are reviewed | On the device | In the gateway / cloud |
| Prompt content leaves the machine | Never | Sent to the service |
| Deployment model | Self-hosted, on-device | Gateway / cloud service |
| Coding-agent-native (wraps the CLI / PTY) | ✓ Claude Code · Codex · Copilot CLI | Gen-AI app / gateway security |
| Blocks secrets read into agent context | ✓ Claude Code hooks · Codex / Copilot CLI detect-only | Local file reads never cross the gateway |
| MCP tool-call interception (arguments) | ✓ Inspects mcp__* call arguments | Not stated at the endpoint agent layer |
| MCP allow-list enforced at call time | ✓ Non-allow-listed servers blocked | — |
| Reviews AI output, not just prompts | ✓ Output-stage detectors + CLI redaction | Yes — prompts and responses inline |
| Runs fully on-device (no egress) | ✓ Always | Gateway / cloud service |
| Content-free telemetry | ✓ Category, risk level, one-way hash | Content inspected in the gateway |
| AIBOM export (AI bill of materials) | ✓ HTML / JSON / CSV, CycloneDX-loose | Org-wide gen-AI app discovery |
| Signals to security team | Redacted, content-free | Cloud-analyzed |
| Licensing | Open source (AGPL-3.0) | Proprietary |
| Account required to start | No (community agent) | Yes |
The honest take. Prompt Security is genuinely strong at giving a security team one enforcement point over org-wide SaaS gen-AI — every employee and copilot, DLP and policy applied centrally. MoorAI solves a narrower problem — governing the coding agents your developers run, with prompt content kept on the device instead of routed through a gateway.
Note: SentinelOne announced its acquisition of Prompt Security in August 2025; Prompt Security's capabilities are being folded into the SentinelOne platform. Comparison is architecture-level and reflects the products' stated deployment models. MoorAI keeps prompt content on the device; Prompt Security analyzes prompts in its gateway/cloud service. Any capability figures are approximate — verify current specifics against each vendor's docs. A “—” cell means we could not confirm the capability either way from published material; it is not a claim that the capability is absent.
Recently shipped in MoorAI — all on-device and content-free: a lethal-trifecta detector, rules-file poisoning detection (CLAUDE.md / .cursorrules), a capture-tier toggle (content-free by default), per-tool MCP argument rules, a per-agent assurance score, a data-lineage / Event Flow view, on-device model escalation, and cryptographically signed agency decisions — mapped across OWASP LLM Top 10, NIST CSF, NIST AI RMF, SOC 2, ISO 27001/42001, and the EU AI Act.