Enterprise AI Governance

AI Security & Audits

AI Security & Audits

See where your AI stack is exposed.

Most AI setups give tools and agents too much access too early. We audit permissions, integrations, and data exposure so teams can tighten control and make the setup fit enterprise requirements.

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AI Security & Audits

Why audit with Callstack

Find exposure before AI scales.

We map agent access, MCP integrations, and data flows, then design least-privilege controls. Teams reduce risk without breaking the engineering workflows people rely on.

See where you are exposed.

Map tool access, agent behavior, and data flows before they create security surprises.

Lock down access safely.

Least-privilege patterns reduce risk without breaking day-to-day engineering work.

Protect code, data, and IP.

Close the gaps where sensitive systems and information are too widely exposed.

Services

Lock down AI before it scales.

Use Cases

AI Tooling Audit

Map which AI tools are in use, what data they touch, and where the biggest operational and policy risks sit.

MCP & Agent Security Review

Review agent workflows, tool access, and MCP infrastructure to reduce security and control risks.

Tool Access Control

Design least-privilege access patterns for agents interacting with internal systems, repos, and production data.

Data Exposure Assessment

Identify where code, customer data, or IP is leaving your boundary through AI tools and close the gaps.

Enterprise Guardrails

Define the policies, allowlists, and enforcement points that keep AI usage inside the lines at scale.

AI Security & Audits

Get an AI tooling audit.

Give us visibility into your agents, MCPs, and tool integrations. We'll come back with the exposure map and a least-privilege plan you can roll out safely.

Book a call

Assess → Deploy → Operate

Find exposure before rollout scales.

Assess

We assess models, controls, and exposure. Leadership gets a clear approval path.

Code and data stay in your environment
Find the gaps before rollout
1-2 WEEKS

Deploy

We deploy models, workflows, and guardrails. AI runs under the controls it needs.

Models and controls go live
Runbooks, matrices, traceability included
1-2 MONTHS

Operate

We keep the setup ready for the next review cycle. Models, policies, and controls stay up to date.

Update models, policies, and controls
Stay ready when reviews return
PER REVIEW CYCLE

Manifesto

When the way software is built changes, 
we help companies adopt it.

AI-native teams run on a system, not only on tools. Agents move the work forward. Experts make the calls that shape the outcome.

Learn Callstack Delivery Model

Case studies

What shipping at AI speed looks like

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10 years of React Native → Now in your AI stack

Get an AI tooling audit.

Give us visibility into your agents, MCPs, and tool integrations. We'll come back with the exposure map and a least-privilege plan you can roll out safely.

Book a call

Why teams bet on Callstack

From billion-user apps to React Native core, this is why teams choose Callstack when they need to move fast and get it right.

Rocket ascending into a blue night sky with digital binary code forming its smoke trail.

10 years in React Native. Now shaping agentic engineering.

For a decade, we have helped define how teams ship with React Native. Now we are helping shape how they work with agents.

Founded in 2016 ·Backed by Viking Global Investors

React Foundation members. Core Contributors.

We are founding members of React Foundation and Core Contributors to React Native. You get direct access to people close to the decisions shaping the frameworks you use.

Open source since 2016. Our code runs in your app.

We contribute to React Native and maintain libraries across its ecosystem. Our code runs in apps used by millions of people every day.

Open Source Projects

39M+

Downloads / month

67K+

GitHub stars

300+

React Native commits

100+ Enterprise clients with 7B+ users.

We work with teams shipping at real scale. You get a partner used to high-stakes products, not learning on your roadmap.

Agent Conf. The conference for the Agentic era.

The conference we built for the shift from writing code to orchestrating agents.

Agent Conf
Gradient background blending white, light blue, and purple shades with smooth transitions.Man wearing glasses and a Stanford sweatshirt speaking into a microphone during a presentation.

We are Codex Ambassadors.

We run meetups, workshops, and hands-on 
sessions that help teams learn Codex 
and apply it in real work.

Check Events
Rocket ascending into a blue night sky with digital binary code forming its smoke trail.

10 years in React Native. Now shaping agentic engineering.

For a decade, we have helped define how teams ship with React Native. Now we are helping shape how they work with agents.

Founded in 2016 ·Backed by Viking Global Investors

React Foundation members. Core Contributors.

We are founding members of React Foundation and Core Contributors to React Native. You get direct access to people close to the decisions shaping the frameworks you use.

Open source since 2016. Our code runs in your app.

We contribute to React Native and maintain libraries across its ecosystem. Our code runs in apps used by millions of people every day.

Open Source Projects

39M+

Downloads / month

67K+

GitHub stars

300+

React Native commits

100+ Enterprise clients with 7B+ users.

We work with teams shipping at real scale. You get a partner used to high-stakes products, not learning on your roadmap.

Agent Conf. The conference for the Agentic era.

The conference we built for the shift from writing code to orchestrating agents.

Agent Conf
Gradient background blending white, light blue, and purple shades with smooth transitions.Man wearing glasses and a Stanford sweatshirt speaking into a microphone during a presentation.

We are Codex Ambassadors.

We run meetups, workshops, and hands-on 
sessions that help teams learn Codex 
and apply it in real work.

Check Events

Open Source

Want to build it on your own?

We open-source the tools behind our delivery model.
Use them, fork them, or let us run them for you.

Check All Tools
Explore AI Infrastructure
React Native Evals

A benchmark suite for evaluating how coding models solve real React Native tasks

91
stars
Skill Gym

Prove your agent skills work before you ship them

1500
downloads / month
Agent Device

CLI to control iOS and Android devices for AI agents

188238
downloads / month
Agent React DevTools

Gives AI agents access to React DevTools

222
stars
Agent Skills

Callstack’s best practices on React Native performance optimization, upgrading, CI workflows, and brownfield migrations

1374
stars

Insights

Worth your time, by engineers.

Explore Insights
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May 19
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Article

Using TurboModule Substitution to Build Safer React Native Plugin Systems

Plugin systems and micro-app architectures need more than a simple allowlist for native modules. This article shows how react-native-sandbox introduces TurboModule substitution, giving hosts a practical way to expose sandbox-safe native functionality for files, storage, analytics, networking, and more.
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Dec 2
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Article

Deep Links With Authentication in React Navigation

This article walks through how to make deep links work when the screen is behind authentication, so the user automatically navigates to the correct deep link after logging in. It discusses manual approaches to implement this, the downsides of these approaches, and shows how React Navigation 7 introduces a built-in option with UNSTABLE_routeNamesChangeBehavior that makes it easier to handle.
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Aug 20
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Article

Secure Communication Between Isolated React Native Instances

The latest release of react-native-sandbox adds support for direct, secure communication between sandboxed React Native instances. Instead of routing messages through the host app, sandboxes can now talk to each other directly using a model familiar from the web: the postMessage API with origin-based access control.
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Aug 7
·
Article

Visualizing Open Source Licenses to Analyze Compliance and Reduce Legal Risk

Tracking open-source licenses isn’t just about reading package.json. Hidden obligations often live deep in transitive dependencies. license-kit visualize offers a clear, interactive map of your project’s dependency graph, complete with license details, statistics, and AI-generated summaries. Whether you’re avoiding restrictive terms or understanding how packages enter your stack, this tool gives you the visibility you need to manage licenses with confidence.
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Jul 31
·
Article

Running Multiple Instances of React Native in Sandbox

While micro-frontend architectures have revolutionized feature delivery in React Native, they don't solve the core problem of runtime isolation. This creates security and stability risks, especially when integrating code from third-party developers. This article introduces react-native-sandbox, a powerful library that allows you to run multiple, fully isolated React Native instances inside a single host application. We explore how this sandboxing approach provides true crash containment, configurable security permissions for native modules, and enables independent team delivery, paving the way for truly modular and secure super apps.
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Jun 26
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Article

React Native Legal: CLI & Programmatic API - Unified Tooling for License Attributions

Discover React Native Legal, the first unified solution for managing open-source license attributions. Automatically handle both JS & native dependencies in any project via a powerful CLI and programmatic API.
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Oct 28
·
Article

Stripe Identity: ID Authentication Made Simple

Stripe Identity makes it easy to verify user identities in your React Native app by scanning official IDs. This guide shows how to use the open source Stripe Identity React Native SDK to quickly add secure identity verification to your app.
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Nov 21
·
Article

Secure Your React Native app

Securing sensitive data is critical when building mobile apps. This guide shares practical ways to protect user information in React Native apps, from encrypting passwords and using secure storage to obfuscating code and pinning SSL certificates.
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Feb 21
·
Article

SSL Pinning in React Native Apps

SSL pinning is a powerful technique to protect your React Native app from security attacks like man-in-the-middle. This guide walks through how to implement SSL pinning natively on iOS and Android, and shares best practices to prevent your pinning from being bypassed.
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Mar 8
·
Article

Learn Once, Hack Everywhere

Reverse engineering mobile apps may seem daunting, but with the right tools, you can peek under the hood of any app. We explore how to analyze the code and files inside an .apk, and discuss the security implications for React Native developers.
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Apr 29
·
Article

Log in Users With Facebook in React Native

Integrating Facebook login in React Native apps can be tricky, especially with CocoaPods. This step-by-step guide walks through installing the Facebook SDK, setting up the Podfile, and configuring Xcode to get Facebook authentication working smoothly.
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Mar 6
·
Article

Increase Speed and Security With Native Crypto Libraries

Polyfilling crypto libraries from the browser or Node.js can lead to security issues and poor performance in React Native. This guide explores efficient, native solutions like react-native-get-random-values and Expo Crypto that are more secure, faster, and result in a smaller bundle size.
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Feb 17
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Podcast

From Teddy Bears to Voice Agents: Kraen Hansen on Voice AI, Local-First & App Security

What happens when you combine voice agents and teddy bears? A hands-on look at local-first systems, voice AI, and security lessons from poking real apps.
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Dec 17
·
Podcast

A (Secure) Christmas Carol: The Story of Npmezer Scrooge

A holiday story about npm audits, unpinned dependencies, and the real cost of ignoring JavaScript security warnings.
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Jul 3
·
Podcast

Authorization: Security Deep-Dive With Okta (Part 2)

Let's talk access control, delegated authorization, and more. Learn modern security frameworks and get tips for creating reliable apps.
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Jul 2
·
Podcast

Authentication: Security Deep-Dive With Okta (Part 1)

Join us as we discuss authentication's past, present, and future. From MFA to passkeys, learn how to enhance security and efficiency in your applications.
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March 4, 2026
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Event

The Safe Detonation Chamber: Building AI You Can Actually Ship

How to design production AI systems using Vercel AI SDK, Workflows, and Sandbox , covering vendor lock‑in, long‑running workflows, and secure code execution.
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March 4, 2026
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Event

Callstack x Vercel AI SDK Meetup

Join the Callstack x Vercel AI SDK Meetup in Wrocław on March 4, 2026. Practical talks on building secure, production-ready AI apps.