toolcompass.

Find your next AI tool

Search by product name or task. Press Escape to close.

Kastra

● Identity checked

Runtime authorization for AI actions · Official-source review 2026-10-09

Kastra evaluates attribute-based policies before instrumented AI tool calls, shell commands, database operations and API requests. It advertises allow, deny, redact or hold decisions and chained decision records, with local Edge and production API options.

Updated 2026-10-09View sources
Official website
Category
Runtime authorization for AI actions
Free access
No-signup sandbox and fifteen-day Pro trial advertised. Ongoing free tier, trial card requirements and Pro/Team prices unconfirmed.
API access
HTTP API and OpenAPI specification, local Edge integrations and MCP governance-data access advertised. Exact enforcement coverage requires technical documentation.

Is Kastra right for you?

A good fit for

Relevant to developers adding explicit action policy to an existing agent execution path.

Before you choose

MCP governance reading is distinct from intercepting every downstream action. Instrumentation, policy bypass handling and failure behavior need tests. Under-one-millisecond decisions and cryptographic audit claims are vendor descriptions, not measured or audited guarantees. Enterprise dedicated/self-host options advertised, quoted terms unknown. Not a replacement for identity management or a universal prose filter. No sandbox request, installation, agent instrumented or enforcement test performed.

Workflow and handoff

Instrument a synthetic agent, test denied and held operations and inspect failure and audit behavior before protecting consequential systems.

Pricing and practical limits

MCP governance reading is distinct from intercepting every downstream action. Instrumentation, policy bypass handling and failure behavior need tests. Under-one-millisecond decisions and cryptographic audit claims are vendor descriptions, not measured or audited guarantees. Enterprise dedicated/self-host options advertised, quoted terms unknown. Not a replacement for identity management or a universal prose filter. No sandbox request, installation, agent instrumented or enforcement test performed.

Review method

Official product evidence reviewed on 2026-10-09; product artwork inspected visually. No hands-on vendor application test was performed. Application performance, security claims and plan enforcement were not independently tested.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

CapabilityValueEvidenceChecked
Product workflowKastra evaluates attribute-based policies before instrumented AI tool calls, shell commands, database operations and API requests. It advertises allow, deny, redact or hold decisions and chained decision records, with local Edge and production API options.Facts sourced2026-10-09
Pricing and restrictionsMCP governance reading is distinct from intercepting every downstream action. Instrumentation, policy bypass handling and failure behavior need tests. Under-one-millisecond decisions and cryptographic audit claims are vendor descriptions, not measured or audited guarantees. Enterprise dedicated/self-host options advertised, quoted terms unknown. Not a replacement for identity management or a universal prose filter. No sandbox request, installation, agent instrumented or enforcement test performed.Facts sourced2026-10-09

Understand the total cost

Kastra pricing & plans

Pro / Team

Not listed

Fifteen-day Pro trial; rates unknown

Included scope
Runtime authorization and centralized governance
Explore pricing & history

Alternatives to Kastra

View all ↗

The practical questions

Frequently asked questions

Was the application hands-on tested?

No. This listing is based on dated official-source evidence and a visual artwork check. Unconfirmed costs and restrictions are identified explicitly.

What is Kastra used for?

Kastra evaluates attribute-based policies before instrumented AI tool calls, shell commands, database operations and API requests. It advertises allow, deny, redact or hold decisions and chained decision records, with local Edge and production API options.

Does Kastra have a free plan?

No-signup sandbox and fifteen-day Pro trial advertised. Ongoing free tier, trial card requirements and Pro/Team prices unconfirmed.. This record does not confirm an ongoing free plan.

How much does Kastra cost?

A listed monthly price has not been confirmed. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use Kastra through an API?

HTTP API and OpenAPI specification, local Edge integrations and MCP governance-data access advertised. Exact enforcement coverage requires technical documentation.. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

MCP governance reading is distinct from intercepting every downstream action. Instrumentation, policy bypass handling and failure behavior need tests. Under-one-millisecond decisions and cryptographic audit claims are vendor descriptions, not measured or audited guarantees. Enterprise dedicated/self-host options advertised, quoted terms unknown. Not a replacement for identity management or a universal prose filter. No sandbox request, installation, agent instrumented or enforcement test performed.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Official product information

Current official product source read individually; product artwork inspected visually.

Read original source ↗

Facts apply to the named version and check date. Send a sourced correction if something changed.