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Live 25 Actions
Apploi MCP Server
for AI Agents
Connect your AI agent to StackOne's Apploi MCP server and give it 25 MCP tools out of the box. Auth, tool execution, and security all managed.
Apploi MCP Server
Built by 
StackOne
StackOne 
Coverage
25 Agent Actions
Create, read, update, and delete across Apploi — and extend your agent's capabilities with custom actions.
Authentication
Agent Tool Authentication
Per-user OAuth in one call. Your Apploi MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →
Security
Agent Protection
Every Apploi 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 Apploi call.
Tools Discovery →What is the Apploi MCP Server?
A Apploi MCP server lets AI agents read and write Apploi data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Apploi MCP server ships with 25 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, observability, and agent execution runtime. Connect it from MCP clients like Claude Desktop, Claude Code, Cursor, Goose, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
All Apploi MCP Tools
Every action from Apploi's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.
Applicants
- Create Applicant
Create a new job applicant record in Apploi.
- List Applicants
Retrieve a paginated list of job applicants, optionally filtered by state, job, team, or date range.
- Get Applicant
Retrieve a single applicant by their application form ID.
- Update Applicant
Update an existing applicant by adding notes to their application.
Applicant Messages
- Send Applicant Message
Send a text or email message to a job applicant.
- List Applicant Messages
Retrieve all messages associated with a job applicant.
Jobs
- Create Job
Create a new job posting in Apploi.
- List Jobs
Retrieve all job postings for the connected Apploi account.
- Get Job
Retrieve a single job posting by its ID.
- Search Jobs
Search for job postings matching specified criteria with pagination support.
- Update Job
Update an existing job posting by ID.
Other (14)
- List Applicant Statuses
Retrieve the list of available applicant statuses configured for a team.
- Get Applicant Preconfigured Documents
Retrieve preconfigured documents associated with a job applicant.
- List Job Cities
Retrieve the list of cities where jobs are available.
- List Job Industries
Retrieve the list of industries that have active job postings.
- List Application Form Templates
Retrieve application form templates available for a team.
- Get Analytics Job Click
Record and retrieve analytics data for a job click event.
- Get Analytics Search
Retrieve search analytics data with optional location and filter parameters.
- Update Applicant Status
Update the status of one or more job applications in bulk.
- Update AI Chat Subscription
Enable or disable AI chat for specific jobs within a team.
- Schedule Interview
Schedule or cancel an interview for a job applicant.
- Submit Background Check Result
Submit the result of a background check for a job applicant.
- Check Already Applied
Check whether a person has already applied to a specific job.
- Upsert Job Attributes
Create or update custom job attributes for a team.
- Upsert Document Merge Fields
Create or update merge fields for a document template.
Apploi AI Agent Use Cases
Connect your AI agent to Apploi and help your team scale the recruiting operations they run by hand today.
Job Posting Distribution
Use StackOne to connect your AI agent to your ATS and job boards to automate job posting distribution.
View Reference Check Automation
Use StackOne to connect your AI agent to your ATS, survey tools, and messaging systems to automate reference checks.
View Offer Letter Generation
Use StackOne to connect your AI agent to your ATS, HRIS, and document management tools to automate offer letter generation.
ViewSet Up Your Apploi MCP Server in Minutes
One endpoint. Any framework. Your agent is talking to Apploi in under 10 lines of code.
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>"
]
}
}
}Platform 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
Apploi MCP Server FAQ
Does StackOne have a Apploi MCP server?
Yes. StackOne offers a hosted Apploi MCP server with 25 pre-built actions, and every action is tested and QA'd by StackOne. Connect it to Claude, Cursor, and any other MCP client, or to any agent framework through the AI Action SDK. It ships with managed agent authentication, prompt injection defense, and tool discovery with server-side execution that preserve your agent's context window and keep reasoning performance.
Apploi MCP server vs direct API integration — what's the difference?
A Apploi MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling Apploi. A Apploi 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 Apploi at runtime. StackOne provides both.
How does Apploi authentication work for AI agents?
Apploi 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 Apploi account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via
origin_owner_id.Are Apploi MCP tools vulnerable to prompt injection?
Yes — Apploi 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 Apploi agent and how do I avoid it?
Context bloat happens when Apploi tool schemas and API responses eat your Apploi agent's memory, preventing it from reasoning effectively. A single Apploi 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 Apploi agent can access?
Yes — you can limit which actions your Apploi 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 Apploi MCP server?
Yes — you can create custom agent actions for your Apploi MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research Apploi's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a Apploi MCP server?
Skip a Apploi MCP server if your integration is purely software-to-software — direct Apploi 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 Apploi actions at runtime.
What AI frameworks and AI clients does the StackOne Apploi MCP server support?
The StackOne Apploi 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.