Keycard Reviews & Product Details

Keycard provides a way to manage how AI Agents can access specific tools and information. Being able to limit what an AI Agent has access to is really helpful, especially when you want tighter control over resources. I also like having a clear set of rules for the agent to follow when accessing those resources, and being able to review that activity later through an audit log. Review collected by and hosted on G2.com.

The onboarding could be better. It takes a bit of time to learn all the policies you can assign to an AI Agent, and to understand how to properly implement keycard in your workflow. Review collected by and hosted on G2.com.

I really appreciate how smoothly it supports our day-to-day workflow. We used to waste time dealing with access issues, but now everything runs quietly in the background with no friction. It simply works, which lets me focus on my actual job instead of troubleshooting. Review collected by and hosted on G2.com.

The search and filtering options could be improved a bit. When I’m trying to find a specific user or a previous access request, it sometimes takes a few extra clicks to get to what I need, rather than pulling it up right away. Review collected by and hosted on G2.com.

What I like best about Keycard is its user-friendly interface and ease of use. The application makes it simple to navigate and access its features, providing a smooth and convenient experience. Overall, I appreciate its simplicity, functionality, and the time it saves. Review collected by and hosted on G2.com.

One area for improvement could be adding more customization options and making some features easier to navigate. Occasional improvements in performance and clearer guidance for new users could also make the overall experience smoother. Overall, the application is useful, but there is room for improvement. Review collected by and hosted on G2.com.

My favorite feature is Keycard's policy-as-code setup. Being able to define access policies using clear policy code makes enforcing least-privilege security seamless across our stack. It lets us plug security guardrails directly into our existing developer workflows without slowing down deployments or adding unnecessary manual approvals. Review collected by and hosted on G2.com.

The dashboard UI can occasionally feel a bit technical for team members who aren't developers. A few more guided walkthroughs or simplified setup wizards during onboarding would make a big difference. Review collected by and hosted on G2.com.

Every agent gets its own identity. This is the big one. Instead of agents pretending to be me or sharing a generic service account, each one gets its own ID. When you’re running multiple agents across recruiting, finance, content, and client work, that separation matters. Your content agent has no business seeing candidate compensation, and your recruiting agent shouldn’t be anywhere near financial data. Just-in-time permissions. Agents don’t sit on permanent access. No more API keys buried inside agents. The usual approach is “here’s the API key, hopefully it behaves.” Keycard replaces that with a clean flow: the agent requests access, Keycard identifies the agent and the user, checks the policy, issues the credential, and logs the action. Review collected by and hosted on G2.com.

The biggest downside for me is the technical and governance complexity. Keycard solves a real and growing problem, but it’s built for security and engineering teams first. A business-focused builder like me isn’t waking up thinking “I need better OAuth token exchange for my MCP servers,” and it takes some translation to see where it fits. It also adds setup and governance overhead. Defining identities, policies, and permissions for every agent is the right way to do things at scale, but for a handful of experimental agents it can feel like more infrastructure than the job requires. Pricing is another gap. There’s no public pricing, and everything routes through a demo, which makes it hard to gauge whether it fits a smaller deployment before committing time to the sales process. Review collected by and hosted on G2.com.

Keycard makes managing SSH keys and developer identity across cloud infrastructure virtually effortless. It replaces static, manually managed authorized_keys files with dynamic, identity-based access controls tied directly to our single sign-on (SSO). Authenticating into staging servers, Kubernetes nodes, or dev boxes requires zero manual public key syncing or ticket requests. The CLI tool is remarkably fast, allowing engineers to request access and connect securely within seconds, while automated key rotation ensures identity enforcement remains strong without interrupting daily deployment workflows. Review collected by and hosted on G2.com.

While Keycard integrates seamlessly with standard SSH and major cloud environments, setting up access policies for legacy internal jump hosts or non-standard SSH bastion setups can require custom configuration work during initial deployment. Additionally, while the CLI is lightweight, surfacing more detailed connection troubleshooting logs directly in the terminal during network timeouts would help developers diagnose firewall issues faster. Expanding out-of-the-box integrations for self-hosted CI/CD runners would also be a welcome enhancement. Review collected by and hosted on G2.com.

Passing shared service-account keys through Kubernetes environment variables became a major security headache once our insurance claims agents started calling internal MCP servers and external pricing APIs. I integrated Keycard using their keycardai-mcp and keycardai-temporal Python packages so our background workers never hold standing secrets. The best part is how the @grant decorator and Temporal worker interceptor handle RFC 8693 OAuth token exchange automatically at runtime. When an adjuster submits a multi-sheet property claim through our portal, Keycard exchanges their session context for a short-lived token scoped strictly to the exact resource that single activity needs, whether it is reading an uploaded receipt file or updating a row's pre-tax replacement price. Once the function finishes running, the credential expires immediately, and I did not have to write custom OAuth middleware from scratch. Review collected by and hosted on G2.com.

The biggest gotcha I hit in the Python SDK is that AccessContext is non-throwing by design. When a policy check or token exchange fails, the @grant decorator does not automatically raise a Python exception before entering your tool function. Early on, before I got into the habit of putting if access_ctx.has_errors(): at the very top of every handler, failed grants quietly passed empty credentials downstream and caused confusing 401 errors in our worker logs. Also, switching some of our internal tool servers from keycardai-mcp to keycardai-fastmcp required refactoring our function signatures, since keycardai-mcp injects access_ctx: AccessContext as a parameter while FastMCP requires calling await ctx.get_state("keycardai") inside an async block. Finally, while their SDK has a built-in EKSWorkloadIdentity helper for AWS, configuring our pods on Azure Kubernetes required manually wiring up WebIdentity and ClientSecret credentials, plus writing local auth stubs so our offline simulation tests could run without live token exchange calls. Review collected by and hosted on G2.com.

Keycard provides a clean, friction-free platform for managing developer access, SSH keys, and identity verification across distributed engineering environments. Integrating Keycard into our development workflow streamlines how team members authenticate into cloud servers, dev clusters, and internal services without dealing with manually managed authorized_keys files or complex IAM policies. The automated key rotation, single sign-on (SSO) integration, and clear developer dashboard make onboarding new engineers onto infrastructure painless, ensuring identity enforcement stays invisible until access is needed. Review collected by and hosted on G2.com.

While Keycard handles standard Linux/SSH and cloud identity integrations well, configuring non-standard bastion hosts or custom enterprise proxy layers can require manual configuration during initial setup. Additionally, while the CLI tools are responsive, expanding inline shell diagnostics and error messages for network timeout scenarios would help developers troubleshoot connection issues faster. Adding more out-of-the-box integrations for niche CI/CD execution environments would also be a welcome enhancement. Review collected by and hosted on G2.com.

Honestly, it’s all about how it gives AI agents a secure digital ID and permission slips so they can safely do their jobs without leaving the backdoor open to hackers. Review collected by and hosted on G2.com.

The biggest downside is that it adds another layer of setup and governance to manage. If your team is running a simple system, configuring all those agent identities and permission controls can feel like over-engineering when all you wanted was a quick integration. Review collected by and hosted on G2.com.

We are using Keycard to handle authorizations and data access requests from the AI Agents we have deployed to assist us in optimizing our performance in serving our customers, and it has given us a solid and very productive experience. Keycard allows us to easily manage and provide data access authorizations to our AI Agents which help us ensure that all our AI Agents are having secure and controlled access to our data and using them in compliance with our data safety and privacy regulations. Keycard also provides us with detailed insights on all our AI Agents data access activities making it easy to audit which AI Agents had access to which data and also track who gave the access authorizations if the access was permitted. With Keycard, we have been able to securely introduce AI Agents to automate, speed up and streamline our retail operations while remaining strictly compliant with the safety regulations imposed for both our data and those of our customers and suppliers. Review collected by and hosted on G2.com.

We had an easy experience bringing Keycard onboard and setting it up. It has an intuitive user interface which makes it easy to work with and we are glad that we have not found anything negative about it to complain about or report. Review collected by and hosted on G2.com.