StackOne

Founded by Guillaume Lebedel in 2018

Connect AI agents to enterprise applications with managed authentication and execution guardrails

Pricing model

Free Tier, Paid

Rating

★ People love it

Time to value

Quick Setup (< 1 hour)

You can use StackOne to connect autonomous AI agents directly to hundreds of enterprise software systems through a single interface. The service provides thousands of pre-built actions across HR, recruiting, CRM, and document systems while managing complex OAuth flows, token refreshes, and rate limits. StackOne automatically screens outbound calls for prompt injection attempts, redacts private customer data, and applies granular field-level permissions. Developers can discover relevant API actions dynamically, minimizing token usage and letting agents execute multi-step business workflows safely.

What StackOne does

Authenticate user accounts across third-party SaaS applicationsFilter and redact sensitive employee data in API responsesDeploy a Model Context Protocol server for enterprise toolsMonitor and log agent API calls with complete audit trailsRestrict AI tool access using role-based permissionsBuild custom API connectors using code or AI generationExecute write actions directly into CRM and HR systemsAccess to over 550 pre-built connectors and 34,000 actionsModel Context Protocol server compatibility for AI coding assistants and agentsBuilt-in defense to block prompt injection attacks in tool responsesManaged authentication handling OAuth, SAML, and API keysAI connector builder to generate custom integrations from API specsDynamic tool discovery that filters schemas to reduce token costsGranular permissions down to user, action, and field levels