CEIPAL MCP Server
for AI Agents
Connect your AI agent to StackOne's CEIPAL MCP server and give it 51 MCP tools out of the box. Auth, tool execution, and security all managed.
StackOne 
Coverage
51 Agent Actions
Agents can read and write in CEIPAL. Extend your agent's capabilities with custom actions.
Authentication
Agent Tool Authentication
Per-user OAuth in one call. Your CEIPAL MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →
Security
Agent Protection
Every CEIPAL tool response scanned for prompt injection in milliseconds, with 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 CEIPAL call.
Tools Discovery →What is the CEIPAL MCP Server?
A CEIPAL MCP server lets AI agents read and write CEIPAL data through the Model Context Protocol, Anthropic's open standard for connecting LLMs to external tools. StackOne's CEIPAL MCP server ships with 51 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 CEIPAL MCP Tools
Every StackOne action for CEIPAL, ready for your agent. Read and write, scoped to exactly what you need.
Applicants
- Create Applicant
Create an applicant with a resume
- List Applicants
List applicants with filters
- Update Applicant
Update an existing applicant
Job Postings
- List Job Postings
List job postings with filters
- Update Job Posting
Update one or more job postings
Other (46)
- Create Applicant Notes
Add notes to one or more applicants
- Get Applicant Details
Retrieve one applicant profile, including contact details, skills, status and resume token
- List Talent Bench
List talent bench consultants
- Get Talent Bench Details
Retrieve one bench consultant with contact details, skills and availability
- List Clients
List clients with filters
- Get Client Details
Retrieve one client record with status, category, ownership and address details
- List Client Notes
Retrieve notes logged against clients and client contacts
- List Client Contacts
Retrieve contacts belonging to client accounts, with name, designation and contact details
- Download Document
Download an applicant resume
- List Interviews
List interviews with filters
- Get Interview Details
Retrieve one interview with schedule, mode, round, venue and outcome
- Get Job Posting Details
Retrieve one job posting with rates, location, recruiters, client and descriptions
- List Leads
Retrieve sales leads (prospective clients) with location, ownership and industry
- Get Lead Details
Retrieve one sales lead with business unit, location, ownership and industry
- List Job Types
Retrieve CEIPAL job types master data
- List Domains
Retrieve CEIPAL job domains master data
- List Job Categories
Retrieve CEIPAL job categories master data
- List Applicant Statuses
Retrieve CEIPAL applicant statuses master data
- List Applicant Sources
Retrieve CEIPAL applicant sources master data
- List Business Units
Retrieve CEIPAL business units master data
- List Countries
Retrieve CEIPAL countries master data
- List Client Categories
Retrieve CEIPAL client categories master data
- List Client Statuses
Retrieve CEIPAL client statuses master data
- List Clearance Types
Retrieve CEIPAL security clearance types master data
- List Employment Types
Retrieve CEIPAL employment types master data
- List Industries
Retrieve CEIPAL industries master data
- List Job Statuses
Retrieve CEIPAL job statuses master data
- List Pay Frequency Types
Retrieve CEIPAL pay frequency types master data
- List States
Retrieve CEIPAL states for a country master data
- List Work Authorizations
Retrieve CEIPAL work authorization types master data
- List Departments
Retrieve CEIPAL departments master data
- List Notice Periods
Retrieve CEIPAL notice period options master data
- List Race And Ethnicity Options
Retrieve CEIPAL race and ethnicity options master data
- List Applicant Note Actions
Retrieve CEIPAL applicant note action types
- List Priorities
Retrieve CEIPAL priority master data
- List Placements
List placements with filters
- Get Placement Details
Retrieve one placement with payment details, overheads and client details
- List Job Requisitions
List job requisitions with filters
- Get Job Requisition Details
Retrieve one job requisition with hiring manager, rates, status and attachments
- List Submissions
List submissions with filters
- Get Submission Details
Retrieve one submission with pipeline status, rates, documents and tagging details
- List Users
Retrieve recruiters and other ATS user accounts with status and reporting lines
- Get User Details
Retrieve one ATS user account with contact details, status and business unit
- List Vendors
Retrieve vendor (supplier) companies with contact details and ownership
- Get Vendor Details
Retrieve one vendor company with contact details, ownership and technologies
- Apply To Job Without Registration
Submit a job application for a candidate
CEIPAL AI Agent Use Cases
Connect your AI agent to CEIPAL and help your team scale the recruiting operations they run by hand today.
Use StackOne to connect your AI agent to your ATS and job boards to automate job posting distribution.
ViewUse StackOne to connect your AI agent to your ATS, survey tools, and messaging systems to automate reference checks.
ViewUse StackOne to connect your AI agent to your ATS, HRIS, and document management tools to automate offer letter generation.
ViewSet Up Your CEIPAL MCP Server in Minutes
One endpoint. Any framework. Your agent is talking to CEIPAL 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
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 Hundreds of Connector Builds Taught Us
MCP wraps APIs, it doesn't replace them. After building hundreds of connectors that serve both, here's when each approach wins.
14 min read
CEIPAL MCP Server FAQ
Does StackOne have a CEIPAL MCP server?
CEIPAL MCP server vs direct API integration: what's the difference?
How does CEIPAL authentication work for AI agents?
origin_owner_id.Are CEIPAL MCP tools vulnerable to prompt injection?
What is the context bloat of a CEIPAL agent and how do I avoid it?
Can I limit which actions my CEIPAL agent can access?
Can I create custom agent actions for my CEIPAL MCP server?
When should I NOT use a CEIPAL MCP server?
What AI frameworks and AI clients does the StackOne CEIPAL MCP server support?
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.