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Connect to everything your agents need, without writing the infrastructure to get there.

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Enterprise-grade controls to ensure your agent always meets security & compliance standards.

Optimize

Maximise agent efficiency – faster responses, increased accuracy, fewer tokens used.

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StackOne
Connectors
Connect

Connect to everything your agents need, without writing the infrastructure to get there.

Secure

Enterprise-grade controls to ensure your agent always meets security & compliance standards.

Optimize

Maximise agent efficiency – faster responses, increased accuracy, fewer tokens used.

Use-Cases
Pricing
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MCP Servers

MCP Servers for Production AI Agents

473 managed MCP servers. 28,518 tools.
Auth, security, and context optimization handled for you.

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StackOne MCP Servers product visualization
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Production-ready

Why Teams Ship with StackOne MCP

First-party MCPs weren't built for production. StackOne's are.

473 Apps, 28,518 Actions. Access every integration from a single MCP server. Add tools, restrict actions, or connect new systems from the StackOne dashboard — without touching your agent code.

→ Find an MCP server

Built for Scale. Dynamic tool discovery cuts context by 460×. Code mode reduces token usage by 96%. Multi-execute batches calls into one round trip. Your agents stay fast as tool counts grow.

→ Read about code mode

Secure by Default. StackOne Defender blocks prompt injection with 88.7% accuracy — before hijacked tools reach your agent. OAuth, API keys, and token refresh are handled for you. Nothing to maintain.

→ Prompt injection defense

MCP Agent Operation

StackOne MCP servers connect agents with the tools they need for any integration.

Agent Request

An agent requests the StackOne research algorithm to provide the most suitable tool based on its prompt — maximising accuracy and speed.

Agent RequestAuthentication. Permissions. Execution.MCP Response

Drive Real Outcomes

Get More Out of StackOne Production-Ready MCP

Coverage. Accuracy. Security. Developer Experience.

Coverage
Find an MCP server

Find an MCP server

Read, search, and update your data across 473+ apps — HR, CRM, IT, Finance, and more.

Find an MCP server
Accuracy
Agent tool discovery

Agent tool discovery

More accurate tool calls. Less wasted context. Better agent decisions. Continuously improved through reinforcement learning.

Agent tool discovery
Customization
Custom MCP server

Custom MCP server

Edit tool behaviour, define your own tools, run your own servers. Customise available tools per integration or per linked account.

Custom MCP server
Flexibility
Works with any framework

Works with any framework

Compatible with LangChain, Vercel AI SDK, Claude, Cursor, OpenAI, and every MCP client.

Security
Enterprise Ready.

Enterprise Ready.

Multi-tenant infra, VPC/on-prem deployment, and multi-region deployment. Certified, secure, private.

Leading Functionality

Beyond Standard MCP Functionalities

Improve performance. Reduce Maintenance.

Depth & Breadth

Unmatched Depth.
Access 28,518 actions from 473 managed MCP Servers in minutes.

  • 473 Enterprise App MCP servers, 28,518 AI tools
  • New MCP server creation. Fully automated
  • Build custom MCP servers with AI
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Depth & Breadth

Getting Started

MCP servers, easy to implement.

And widely supported.

Connect any MCP-compatible client, AI framework, or SDK to 473+ enterprise apps — no StackOne SDK required.

MCP Clients

Claude Desktop setup guide
Claude Code setup guide
Cursor setup guide
Goose setup guide

Agent Frameworks

Claude Desktop
{
  "mcpServers": {
    "stackone": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@latest",
        "https://api.stackone.com/mcp?x-account-id=<account_id>",
        "--header",
        "Authorization: Basic <YOUR_BASE64_TOKEN>"
      ]
    }
  }
}

Setup Steps

1

Activate Integrations. Turn on the connectors and actions your agents need, instantly.

2

Link Accounts. Securely connect user accounts and permissions in one managed auth flow.

3

Connect to StackOne MCP gateway. Point any MCP client, AI framework or SDKs at StackOne.

View quick start MCP docs (opens in new tab) https://api.stackone.com/mcp

MCP Clients

Claude Desktop Claude Code Cursor VS Code Zed Windsurf Goose Raycast

AI Frameworks & SDKs

LangChain CrewAI Pydantic AI Vercel AI SDK OpenAI Agents SDK Anthropic SDK AG2 BeeAI Gemini SDK Azure AI

Connect your AI Agent
to the StackOne MCP Gateway

Your AI agent can now reach every app in your stack.

Desktop AI Agents

Claude Code
Claude Desktop
Cursor
Goose

Enterprise AI Agents

Notion AI Agent
Glean
Microsoft 365 Copilot
Atlassian Rovo
ServiceNow Now Assist
SAP Joule
IBM watsonx Orchestrate
Snowflake Cortex
Databricks Agent Bricks
AWS Bedrock AgentCore
Google Vertex AI
Intercom Fin
Zendesk
Retool Agents
Cohere North
Perplexity Comet

Customers

Product Teams Love Building
MCP Agent Integrations with StackOne.

IAM Permissions API
Drata
Case Study

How Drata Broadened User Access Review Integrations through StackOne

Agentic Connectors
Popp
Case Study

How Popp Built a Recruitment AI Agent with Enterprise ATS Integration in Weeks

Agentic Automation
TYME Technologies
Case Study

How TYME Technologies scaled outbound 10× with agentic integrations

Connectors for workflow builders
Introist
Case Study

Introist uses StackOne to Launch New Enterprise-Grade Integrations and Expand Automation for HR Teams

Scroll to explore

Directory

Browse 1195 MCP servers

Tap any live one to see its tools, auth, and docs.

Learn More

MCP Resources

MCP Code Mode: Keeping Tool Responses Out of Agent Context

Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.

11 min

Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery

Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.

10 min

Indirect Prompt Injection Defense for MCP Tools: A Technical Guide

MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.

12 min

MCP vs A2A: Architecture, Security, and When to Use Each

MCP vs A2A: what each protocol standardizes, how they differ, their shared security risks including indirect prompt injection, and when to use one, both, or a hybrid architecture.

12 min

MCP vs API: What 200+ Connector Builds Taught Us

MCP wraps APIs, it doesn't replace them. After building 200+ connectors that serve both, here's when each approach wins.

14 min read

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