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We Built a Unified API. Here's Why We Tore It Down for Agents.
StackOne started as a unified API company. We had customers, revenue, and a working product. Then AI agents arrived, and we realized our architecture was fighting them at every layer.
Guillaume Lebedel | CTO 
AI Agents Meet Gamma: Automating Presentations with StackOne Connectors
Two real examples of how we use Gamma with AI Agents at StackOne -- from prepping sales decks to presenting company structure -- all powered by StackOne connectors.
Richard South | GTM 
Your Agent Toolkit: MCP Server, SDK-based Toolset, or Both?
MCP promises standardization but framework support varies wildly. SDKs give control but mean vendor lock-in. The hybrid approach fills gaps that pure options leave open.
Guillaume Lebedel | CTO 
Automating Meeting Sharing with Claude Code + a Custom Fireflies MCP
How I built a Fireflies connector in 10 minutes and used it to share several months of customer calls with my team using Claude Code and StackOne's AI Connector Builder.
Romain Sestier | CEO 
Agent Suicide by Context
Agents take actions that kill their own context windows. Most don't even know they're doing it.
Guillaume Lebedel | CTO 
Notion MCP Deep Dive: Understanding the Official Connector and When You Need More
A technical comparison of the official Notion MCP versus extended tooling for production AI agent workflows.
Romain Sestier | CEO 
MCP: What's Working, What's Broken, and What Comes Next
What a year in production has taught us about the Model Context Protocol -- from authentication gaps to Code Mode and the Linux Foundation transfer.
Guillaume Lebedel | CTO 
Building an Agentic Researcher
How StackOne built a self-improving agentic researcher that continuously discovers AI agent integration use-cases online and refines its search queries over time using Slack reaction feedback and DSPy optimization.
Will Leeney | AI Research Engineer 
How to Integrate with Workday Learning via SOAP API
If you're looking to build a Workday Learning integration to push content and completions to Workday you will need to use the SOAP API, this guide covers the basics - from authentication and permissions to managing learning content and completions sync.
Max Strivens | Solutions Engineer 
When Your AI Agent Needs Contractors, Not Apprentices: Building Async Subagents
Explores the difference between using apprentice-like tools versus contractor-style independent agents for handling specialized tasks.
Nicolas Belissent | AI Engineer 
StackOne named a Gartner Cool Vendor in HR Technology 2025
StackOne has been recognized by Gartner as a Cool Vendor in HR Technology 2025 for innovative products that strengthen the employee experience.
Romain Sestier | CEO 
Building an Eval-Driven AI Feature at StackOne
Integrations break. Our new AI agent translates cryptic provider errors into clear fixes. How we built it -- and why starting with evals on day one made all the difference.
Will Leeney | AI Research Engineer 
Bring AI Agents to Work with StackOne
How StackOne is solving the challenge of connecting AI agents to perform actions across complex enterprise software stacks.
Matt Carey | AI Engineer 
Announcing StackOne Documents API - a unified API and File Picker for your customers' knowledge
Integrate once to access every customer document - across cloud storage and knowledge bases - with a native picker and real-time, privacy-first architecture.
Romain Sestier | CEO 
Rethinking MCP: From App to Workflow Servers
After spending months building and using MCP servers for daily tasks, exploring decoupling tools from traditional app-based servers to allow bundling tools into workflow-specific servers.
Bryce Tozer | Product Manager 
My Dream AI Client
After months of deeply using different AI clients, identifying key product features that would make the ideal AI client.
Bryce Tozer | Product Manager 
A New Direction for Tool Orchestration
Discover how Mastra gave us the control we needed to scale API integrations with AI.
Nicolas Belissent | AI Engineer 
Announcing our $20M Series A Led by GV (Google Ventures) to Power the Universal Integration Layer
$20 million Series A funding round led by Google Ventures, with participation from Workday Ventures and XTX Ventures, to continue building a Universal Integration Layer for B2B SaaS and Agents.
Romain Sestier | CEO 
Tools not Rules
How MCP is helping us build a more adaptable agent.
Nicolas Belissent | AI Engineer 
Automating tasks with MCP
How StackOne uses MCP servers and tools to automate internal tasks such as raising Jira tickets.
Bryce Tozer | Product Manager 
StackOne ToolSet: Enabling Agentic Integrations for Hundreds of Enterprise SaaS
Introducing the StackOne ToolSet, an open-source, experimental SDK tailor-made for AI agent development.
Matt Carey | AI Engineer 
Announcing StackChat - the most advanced API Assistant
Announcing StackChat: the most advanced API knowledge agent.
Guillaume Lebedel | CTO 
Announcing StackOne's IAM unified API: Retrieve Comprehensive Data on User Access Across More than 80 SaaS Applications
Unveiling the latest unified API: IAM, allowing deeper integration into customers' HR tech stack with access data across 80+ SaaS applications.
Romain Sestier | CEO 
Announcing StackOne's LMS unified API: Integrate deeper into your customers' HR tech stack
Unveiling the latest unified API: LMS, allowing deeper integration into customers' HR tech stack.
Romain Sestier | CEO 
Why Unified APIs Are Transforming HRIS SaaS Integrations
The SaaS landscape is forever growing, but so are its challenges, especially with integrations. Exploring how unified APIs provide solutions.
Romain Sestier | CEO Navigating The Shift From Features To Outcomes In SaaS
There's been a significant shift in buyer priorities, moving from features and functions, to outcomes.
Romain Sestier | CEO Why Privacy And Real-Time Are Non-Negotiable When Integrating with HRIS
Exploring the key reasons why real-time provisioning and offboarding is crucial for HRIS integration.
Romain Sestier | CEO Why Your Choice of Unified API Could Make or Break Compliance
There's a BIG roadblock ahead if companies pick the wrong Unified API partner regarding compliance.
Guillaume Lebedel | CTO