Kastra
kastra.ai
Kastra
kastra.aiAn authorization layer that decides allow, deny, redact or hold before an AI agent action executes.
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According to AlphaMoat, in the latest data month Kastra (kastra.ai) received 0 monthly visits — ranked #0 of 17,424 AI websites with traffic data, and #0 of 2,225 in General AI.

Monthly Visits
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Overall Rank (17,424)
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General AI Rank (2,225)
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Top Market
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What is Kastra

Product Overview

Kastra is an authorization layer for AI systems. It sits in the execution path of every prompt, tool call, shell command, database operation and API request, evaluates attribute-based policy, and returns allow, deny, redact or hold before the action runs. Recorded decisions form a chained audit trail so operators and auditors can explain why something was permitted.

Key Features5 items
  • 01Sub-millisecond policy decisions before an action runs
  • 02Coverage of prompts, tool calls, shell and database operations
  • 03Kastra Edge for governing local coding agents
  • 04MCP client for reading governance data
  • 05Cryptographically chained audit trail of decisions
Business Model

Kastra starts with a 15-day Pro trial, then a Team plan for centralized governance and an Enterprise option for self-hosted deployment.

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Data month: — · Visit figures are third-party traffic estimates aggregated monthly — best for scale and trends. Multiple domains of the same product are merged. See methodology.