StackOne

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4.8 out of 5 stars
67 reviews
  • 1 profiles
  • 4 categories
Average star rating
4.8
Serving customers since
2023
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StackOne Reviews

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61
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1
JB
Jordan B.
CFOEnterprise (> 1000 emp.)
10/12/2026
Validated Reviewer
Verified Current User
Review source: Organic

StackOne Delivered Fast Connectivity and Real Cost Savings

|StackOne
Beyond the MCP concept, the team at Stack One seems exceptionally knowledgeable. We came in with some industry-specific systems they hadn’t seen before, and they were able to get connectivity up and running very quickly. On top of that, the way they identified issues and worked through fixes felt more streamlined than with most vendors we use. We were like most companies, unable to get return on the spend with AI tools. Instantly StackOne allowed us to see benefit and actual cost savings.
Verified User in Research
AR
Verified User in Research
Mid-Market (51-1000 emp.)
10/09/2026
Validated Reviewer
Verified Current User
Review source: Organic

All the Connectors in One Place

|StackOne
We had nine systems connected within two weeks, including Okta, Jamf, Intune, Procurify, Expensify, and NetSuite. The org needs every agent limited to what the person asking is allowed to do, and StackOne’s per-connector, per-account permissions plus a full audit trail of every action gave us the confidence to connect everything. What’s stood out most has been how easy the team is to work with. Turnaround on getting things up and running has been exceptional where Claude had no native connector, StackOne built one quickly. They’ve been responsive, open to feedback, and willing to iterate on what we need. It’s been great working with them.
Rishabh B.
RB
Rishabh B.
Head of CommunitySmall-Business (50 or fewer emp.)
10/09/2026
Validated Reviewer
Verified Current User
Review source: Organic

Connecting AI agents to different tools without all the integration headaches

|StackOne
The biggest thing for me is not having to build and maintain separate integrations for every tool we work with. StackOne handles the connectors and authentication, and having a common API makes the development side much easier. I also like the MCP support, especially as we're exploring more AI agent workflows. Having the option to connect through MCP or SDKs gives developers more flexibility without having to deal with each provider's API individually. The approach to tool discovery is interesting too, particularly when you're dealing with agents that need access to multiple services.

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San Francisco, US

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What is StackOne?

StackOne is the Tool Gateway for successful AI rollouts across teams and systems. It manages the tool layer between AI agents and business applications, giving organizations shared, governed and secured access to business systems without every team building and maintaining separate integrations. StackOne provides managed connectors for business applications and pre-built actions via an MCP gateway, A2A, AI SDKs and APIs, plus an AI Connector Builder to extend connectors or connect custom and legacy systems. Tool discovery and token optimization surface only relevant tools, keeping context lean. Managed authentication and granular permissions govern access for every user, agent and action; prompt-injection defense and reliable, secure execution protect against unsafe or malicious tool responses; and end-to-end observability captures tool calls, actions, failures and audit trails. StackOne has raised $24 million and is backed by GV (Google Ventures) and Workday Ventures.

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Year Founded
2023