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About

Kastra is the authorization layer for AI systems, deciding what agents, models, and AI tools are allowed to do before they do it. It sits in the execution path of every prompt, tool call, shell command, database operation, and API request, evaluates each action against deterministic, attribute-based policy, and returns an allow, deny, redact, or escalate decision in under a millisecond. Unlike monitoring products that observe AI after it acts, Kastra blocks unauthorized behavior before it reaches a tool, API, database, or production system. Its unified control plane combines a policy engine, edge decision points, integrations, and a tamper-evident evidence vault that signs every decision for audit and replay. Kastra Edge brings local enforcement to developer machines, protecting Claude Code, Cursor, Codex CLI, and other coding agents from destructive commands, secret exfiltration, unsafe file writes, and unauthorized tool use.

About

Most enterprise AI fails because the model cannot see the data locked inside operational systems. Usermode fixes that: it wraps the systems you already run — ERP, property management, inspection databases, Microsoft 365 — as custom MCP integrations, then deploys a governed fleet of named specialist agents for credit control, compliance, management accounts and bid writing, working across email, WhatsApp and Teams. Every action passes a deny-by-default policy engine; every send needs an approval; a tamper-evident ledger records it all. Live in production across property management and industrial inspection, supervising 3,300+ residential units. You own the IP.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

AI engineering and security teams that need to enforce authorization policies and audit every action performed by AI systems before execution

Audience

Mid-market operators and their finance, compliance and operations teams — property & block management, inspection/TIC, construction, professional services, logistics and recruitment.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$19.99 per month
Free Version
Free Trial

Pricing

£2,500 (AI Readiness Audit)
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Kastra
Founded: 2026
United States
kastra.ai/

Company Information

Usermode
Founded: 2022
United Kingdom
usermode.ai

Alternatives

Alternatives

Axiospec

Axiospec

CaliTech LLC
WCAGdesk

WCAGdesk

SideLabs
EasyInspection

EasyInspection

Greyloft

Categories

Categories

Integrations

Claude Code
Codex CLI
Cursor
Go
Google Sheets
JSON
Java
Microsoft 365
Microsoft Excel
Microsoft Teams
Model Context Protocol (MCP)
OpenAI
OpenClaw
Python
Rust
Slack
Swift
TypeScript
WhatsApp
YAML

Integrations

Claude Code
Codex CLI
Cursor
Go
Google Sheets
JSON
Java
Microsoft 365
Microsoft Excel
Microsoft Teams
Model Context Protocol (MCP)
OpenAI
OpenClaw
Python
Rust
Slack
Swift
TypeScript
WhatsApp
YAML
Claim Kastra and update features and information
Claim Kastra and update features and information
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Claim Usermode and update features and information