Connect
Optimize
Secure
Sentinel XS MCP Server
for AI Agents
Production-ready Sentinel XS MCP server with 69 extensible actions — plus built-in authentication, security, and optimized execution.
Sentinel XS MCP Server
Built by 
StackOne
StackOne 
Coverage
69 Agent Actions
Create, read, update, and delete across Sentinel XS — and extend your agent's capabilities with custom actions.
Authentication
Agent Tool Authentication
Per-user OAuth in one call. Your Sentinel XS MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →
Security
Agent Protection
Every Sentinel XS tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.
Prompt Injection Defense →
Performance
Max Agent Context. Min Cost.
Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Sentinel XS call.
Tools Discovery →What is the Sentinel XS MCP Server?
A Sentinel XS MCP server lets AI agents read and write Sentinel XS data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Sentinel XS MCP server ships with 69 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, and optimized agent context. Connect it from MCP clients like Claude Desktop, Cursor, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
All Sentinel XS MCP Tools and Actions
Every action from Sentinel XS's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.
Branchs
- Create Branch
Create a new branch record
- Get Branch
Retrieve detailed information for a specific branch
- Update Branch
Update an existing branch record
Customer Contacts
- Create Customer Contact
Create a new customer contact for a site
- List Customer Contacts
Retrieve a list of customer contacts based on filter criteria
- Get Customer Contact
Retrieve detailed information for a specific customer contact
- Update Customer Contact
Update an existing customer contact
- Delete Customer Contact
Delete a customer contact from a site
Customer Groups
- Create Customer Group
Create a new customer group
- List Customer Groups
Retrieve a list of customer groups based on filter criteria
- Get Customer Group
Retrieve detailed information for a specific customer group
- Update Customer Group
Update an existing customer group
Installers
- List Installers
Retrieve a list of installer records based on filter criteria
- Get Installer
Retrieve detailed information for a specific installer
- Update Installer
Update an existing installer record
Link Accounts
- Create Link Account
Create a new link account
- List Link Accounts
Retrieve a list of link account records
- Get Link Account
Retrieve detailed information for a specific link account
- Update Link Account
Update an existing link account
Link Account Contacts
- Create Link Account Contact
Create a new contact for a link account
- List Link Account Contacts
Retrieve a list of contacts for a link account
- Get Link Account Contact
Retrieve detailed information for a link account contact
- Update Link Account Contact
Update an existing link account contact
- Delete Link Account Contact
Delete a link account contact
Groups
- Create Group
Create a new group for a site
- List Groups
Retrieve a list of groups for a site
Schedules
- Create Schedule
Create a new schedule for a site
- List Schedules
Retrieve a list of customer schedules
- Get Schedule
Retrieve detailed information for a specific schedule
- Update Schedule
Update an existing schedule
- Delete Schedule
Delete a schedule from a site
Schedule Times
- List Schedule Times
Retrieve time slots for a schedule
- Set Schedule Times
Set the time entries for a schedule
Temporary Schedules
- Create Temporary Schedule
Create a temporary schedule override
- List Temporary Schedules
Retrieve a list of temporary schedules
- Get Temporary Schedule
Retrieve detailed information for a temporary schedule
- Update Temporary Schedule
Update an existing temporary schedule
- Delete Temporary Schedule
Delete a temporary schedule
Temporary Schedule Times
- List Temporary Schedule Times
Retrieve time entries for a temporary schedule
- Set Temporary Schedule Times
Set the time entries for a temporary schedule
Sites
- Create Site
Create a new site record based on a template
- List Sites
Retrieve a list of sites based on filter criteria
- Get Site
Retrieve detailed information for a specific site by serial number
- Update Site
Update an existing site record
Transmitters
- Clone Transmitter
Clone an existing transmitter to create a new transmitter
- List Transmitters
Retrieve a list of transmitters based on filter criteria
- Get Transmitter
Retrieve detailed information for a specific transmitter
- Update Transmitter
Update an existing transmitter's details
- Delete Transmitter
Delete a transmitter from a site
Other (20)
- List Branches
Retrieve a list of branch records based on filter criteria
- Get Customer Contact Availability
Retrieve availability schedule for a customer contact
- List Customer Contacts In Group
Retrieve customer contacts that belong to a specific group
- List Event Categories
Retrieve a list of all event categories
- List Event Definitions
Retrieve a list of event definitions
- List Holiday Groups
Retrieve a list of holiday groups
- List Log Headers
Retrieve log header entries for a site
- List Log Detail Items
Retrieve log detail items based on filter criteria
- List Media
Retrieve a list of media files for a site
- List Report Outputs
Retrieve a list of available report outputs
- List Report Schedules
Retrieve a list of report schedules
- Get Schedule Assignments
Retrieve device assignments for a schedule
- List Site Out Of Service Entries
Retrieve out of service entries for a site
- List Site Statuses
Retrieve a list of all available site statuses
- Get Site Status
Retrieve the current status of a site
- Get Transmitter Properties
Retrieve extended properties for a transmitter
- Set Customer Contact Group List
Set the list of customer contacts for a group
- Set Link Account Contact Priority List
Set the priority order for link account contacts
- Commission Site
Commission a site to enable alarm generation
- Decommission Site
Decommission a site to stop alarm generation
Set Up Your Sentinel XS MCP Server in Minutes
One endpoint. Any framework. Your agent is talking to Sentinel XS in under 10 lines of code.
MCP Clients
Agent Frameworks
JSON{
"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>"
]
}
}
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Sentinel XS MCP Server 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
Sentinel XS MCP Server FAQ
Sentinel XS MCP server vs direct API integration — what's the difference?
A Sentinel XS MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling Sentinel XS. A Sentinel XS MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling Sentinel XS at runtime. StackOne provides both.
How does Sentinel XS authentication work for AI agents?
Sentinel XS authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own Sentinel XS account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via
origin_owner_id.Are Sentinel XS MCP tools vulnerable to prompt injection?
Yes — Sentinel XS MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.
What is the context bloat of a Sentinel XS agent and how do I avoid it?
Context bloat happens when Sentinel XS tool schemas and API responses eat your Sentinel XS agent's memory, preventing it from reasoning effectively. A single Sentinel XS query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.
Can I limit which actions my Sentinel XS agent can access?
Yes — you can limit which actions your Sentinel XS agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.
Can I create custom agent actions for my Sentinel XS MCP server?
Yes — you can create custom agent actions for your Sentinel XS MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research Sentinel XS's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a Sentinel XS MCP server?
Skip a Sentinel XS MCP server if your integration is purely software-to-software — direct Sentinel XS API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call Sentinel XS actions at runtime.
What AI frameworks and AI clients does the StackOne Sentinel XS MCP server support?
The StackOne Sentinel XS MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.
Put your AI agents to work
All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.