Sold by: StackOne
Deployed on AWS
StackOne is the Tool Gateway for successful AI rollouts across teams and systems. It manages the tool layer between AI agents and business applications: an MCP gateway with managed connectors, custom-system connectivity, token-optimized tool discovery, secure execution and observability.
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Overview
The Tool Gateway for successful AI rollouts
StackOne is the Tool Gateway for successful AI rollouts across teams and systems. It manages the tool layer between AI agents and business applications through an MCP gateway, managed connectors and custom-system connectivity, with tool discovery, token optimization, authentication, permissions, prompt-injection defense, secure execution and observability.
Why organizations need a shared tool layer
When an organization moves from a few AI experiments to a rollout across functions, every agent environment needs reliable access to business systems. If each team maintains its own connectors, authentication, permission model, tool catalog, execution path and logs, complexity and risk grow faster than the value the agents return. StackOne is the shared, managed layer those teams build on instead.
Connect to Everything
Hundreds of pre-built connectors and 30,000+ prebuilt actions spanning revenue operations, marketing operations, finance operations, service and support, IT and employee service, HR and people ops, and talent acquisition. Connect in minutes through MCP, A2A, SDKs for Python and TypeScript, or direct REST APIs. When the catalog does not cover a system, the AI Connector Builder handles proprietary and long-tail APIs, including SOAP, OData and in-house services, in minutes. Compatible with 60+ AI clients and frameworks including Amazon Quick Suite, AgentCore, Claude, LangChain and Glean.
The Falcon Execution Engine is a self-improving integration engine built for agentic tool calling, so actions that agents get right the first time run faster and use fewer tokens.
AI Agent Webhooks trigger workflows on any app event, filtered, enriched and trimmed, so agents act without polling.
Optimize Every Call
Tool Discovery searches across all agent tools instead of front-loading schemas into the context window. That avoids tool-count limits and cuts token use by up to 80% on tool-heavy actions, with 91.6% first-try accuracy on S1 Search Bench. Advanced Data Search adds search, filtering, sorting and querying over pre-synced data, none of which the underlying APIs offer.
Secure Every Action
Managed authentication handles OAuth, SAML, API keys and scopes in one interface, so credentials never spread across teams. Granular permissions set which tools each user's agent can call, at the action, field and user level, and they are enforced on every call.
Prompt Injection Guard catches over 90% of malicious tool responses before the agent sees them.
Observe
Request tracing, audit logs and real-time monitoring cover every action an agent takes. Deploy in the cloud or self-host.
Who it is for
Mid-market and enterprise organizations rolling out AI agents internally across multiple teams, business functions and enterprise systems.
The need is industry-agnostic and strongest in complex or regulated environments such as financial services, healthcare and large organizations.
Enterprise compliance and data handling
SOC 2 Type II certified, GDPR compliant, HIPAA compliant and CCPA compliant. Customer data is stored only if you choose, in the processing region you select, with full control over retention.
Highlights
- Connect AI agents to 100s of enterprise apps with 40,000+ pre-built actions through MCP, A2A or SDK, optimised by running against 100,000+ evals using real agent prompts. Managed authentication handles OAuth, SAML and API keys across every provider. The AI Connector Builder covers proprietary and long-tail systems, including SOAP, OData and in-house APIs, in minutes. Compatible with 60+ AI clients and frameworks including Amazon Quick Suite, AgentCore, Claude, LangChain and Glean.
- Cut token cost and improve accuracy, with up to 80% token savings on tool-heavy actions and 91.6% first-try tool-selection accuracy on S1 Search Bench. Tool Discovery surfaces only the tools each task needs instead of front-loading the context window. The Falcon Execution Engine is a self-improving integration layer built for agentic tool calling, so actions that agents get right the first time run faster and use fewer tokens.
- Granular permissions set which tools each agent can call, at the action, field and user level. Prompt Injection Guard catches over 90% of malicious tool responses before the agent processes them. Every agent action leaves an audit trail, with real-time monitoring across all of them. SOC 2 Type II certified, GDPR, HIPAA and CCPA compliant.
Details
New
Introducing multi-product solutions
You can now purchase comprehensive solutions tailored to use cases and industries.
Features and programs
Financing for AWS Marketplace purchases
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
Pricing
Pricing is based on the duration and terms of your contract with the vendor. This entitles you to a specified quantity of use for the contract duration. If you choose not to renew or replace your contract before it ends, access to these entitlements will expire.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
Dimension | Description | Cost/12 months |
|---|---|---|
Enterprise | Contact us for custom pricing fit for enterprise use cases | $0.001 |
Vendor refund policy
All fees paid for this product are non-cancellable and non-refundable, except in one limited circumstance: if StackOne must terminate the service due to an unresolved third-party intellectual property infringement claim that cannot otherwise be resolved, StackOne will provide a pro-rata refund of prepaid fees for the unused portion of the term. For refund requests or questions, contact legal@stackone.com .
Legal
Vendor terms and conditions
Upon subscribing to this product, you must acknowledge and agree to the terms and conditions outlined in the vendor's End User License Agreement (EULA) .
Content disclaimer
Vendors are responsible for their product descriptions and other product content. AWS does not warrant that vendors' product descriptions or other product content are accurate, complete, reliable, current, or error-free.
Delivery details
Software as a Service (SaaS)
SaaS delivers cloud-based software applications directly to customers over the internet. You can access these applications through a subscription model. You will pay recurring monthly usage fees through your AWS bill, while AWS handles deployment and infrastructure management, ensuring scalability, reliability, and seamless integration with other AWS services.
Support
Vendor support
StackOne provides support for all Gateway customers to help with product setup, integration troubleshooting, and ongoing usage questions.
For assistance with connecting your AI agents, configuring connectors, managing permissions, or resolving technical issues, please contact the StackOne support team through the available channels on the StackOne platform:
- By chat: in-app
- By email: support@stackone.com
StackOne also provides developer documentation, a changelog for product updates, and a status page for real-time service availability monitoring:
Check out all the ways to get support from the team here:
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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Customer reviews
Paco e.
Gets my AI assistant into Notion and Drive without the faff
Reviewed on Nov 11, 2026
Review provided by G2
What do you like best about the product?
I connected Claude to Notion and Google Drive through StackOne and had it working the same afternoon. Now I ask it to pull our planning docs together without opening five tabs.
What do you dislike about the product?
Honestly nothing so far, it has done what I needed.
What problems is the product solving and how is that benefiting you?
We're a small founding team, so time is tight. One place where the assistant can read our docs means less copying and pasting between tools.
Computer Software
Claude + StackOne Keeps My Pipeline Picture Clear
Reviewed on Nov 11, 2026
Review provided by G2
What do you like best about the product?
I manage seven Account Executives across UK Public Sector and Ireland, so my week is one to ones and pipeline reviews. I connected Claude to my Salesforce, Gmail and Slack through StackOne. Before each one to one I ask for that rep's latest deal threads and what's due, and I walk in with the picture already pulled together.
What do you dislike about the product?
Hard to find fault so far, and the StackOne team have been quick whenever I've had a question.
What problems is the product solving and how is that benefiting you?
Coaching is the part of my role that matters most. Less of the week goes on digging through inboxes and notes, so more of it goes on the reps.
Utilities
Simplifying and speeding up my working day
Reviewed on Nov 09, 2026
Review provided by G2
What do you like best about the product?
I look after operations for our Zero Bills Homes partnerships, which means a lot of housebuilders, sites and handovers to keep track of. I connected Claude to Google Sheets, HubSpot and Slack through StackOne. Now I ask where a site is up to and it pulls the tracker, the latest partner emails and the Slack thread together. Each connector took a couple of clicks.
What do you dislike about the product?
Nothing that has slowed us down so far.
What problems is the product solving and how is that benefiting you?
Nothing that's slowed us down so far.
jj P.
Quick to Set Up, Keeps Deal Context Current Before Every Call
Reviewed on Nov 02, 2026
Review provided by G2
What do you like best about the product?
Most of my week goes on brands looking at sponsoring the T100 Triathlon World Tour, and the admin around each deal adds up. I connected Claude to HubSpot, Gmail, Teams and Zendesk, so before a call it can pull the deal history, find the last email thread, support tickets. This gives me the most up to date information before going into a sales convo. Each connector only took a few clicks to add.
What do you dislike about the product?
No complaints so far, it has been reliable every time I've used it.
What problems is the product solving and how is that benefiting you?
Getting ready for a sponsor meeting used to mean digging through HubSpot, my inbox and old decks. Now StackOne helps Claude brings it together and drafts the follow-up email, and I check it before it goes. That leaves more time for the conversations that close partnerships.
Aiden M.
No More Worrying About Agent Token Spend with External Tools Like Jira
Reviewed on Oct 30, 2026
Review provided by G2
What do you like best about the product?
Not having to worry about optimising my agents' token spend when using external tools e.g. Jira
What do you dislike about the product?
It's an extra tool to add to my stack, which has a modest learning curve, but makes up for it by replacing others
What problems is the product solving and how is that benefiting you?
Solving our AI spendature, which is becoming more and more important as time goes on.