Bullhorn

Live 47 Actions

Bullhorn integration for AI agents

Connect your AI agent to 47 production-ready Bullhorn actions via MCP, A2A, or SDK — with managed agent tool auth, optimized execution, and built-in security.

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Bullhorn AI agent actions

47 production-ready actions for your agent to do more on Bullhorn.

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47 Actions

List Candidates - Retrieve a list of candidates using search or query

Get Candidate - Retrieve a specific candidate by ID

Create Candidate - Create a new candidate record

Update Candidate - Update an existing candidate record

Delete Candidate - Delete a candidate record

List Client Contacts - Retrieve a list of client contacts using search or query

Get Client Contact - Retrieve a specific client contact by ID

Create Client Contact - Create a new client contact record

Update Client Contact - Update an existing client contact record

Delete Client Contact - Delete a client contact record

List Client Corporations - Retrieve a list of client corporations (companies) using search or query

Get Client Corporation - Retrieve a specific client corporation by ID

Create Client Corporation - Create a new client corporation (company) record

Update Client Corporation - Update an existing client corporation record

Delete Client Corporation - Delete a client corporation record

List Job Orders - Retrieve a list of job orders using search or query

Get Job Order - Retrieve a specific job order by ID

Update Job Order - Update an existing job order record

Delete Job Order - Delete a job order record

List Placements - Retrieve a list of placements using search or query

Get Placement - Retrieve a specific placement by ID

Create Placement - Create a new placement record

Update Placement - Update an existing placement record

List Notes - Retrieve a list of notes using search or query

Get Note - Retrieve a specific note by ID

Create Note - Create a new note record

Update Note - Update an existing note record

Delete Note - Delete a note record

List Tasks - Retrieve a list of tasks using search or query

Get Task - Retrieve a specific task by ID

Create Task - Create a new task record

Update Task - Update an existing task record

Delete Task - Delete a task record

List Appointments - Retrieve a list of appointments using search or query. Need to be enabled feature "Calendar & Appointments" in your Bullhorn account.

Get Appointment - Retrieve a specific appointment by ID

Create Appointment - Create a new appointment record

Update Appointment - Update an existing appointment record

Delete Appointment - Delete an appointment record

List Job Submissions - Retrieve a list of job submissions representing candidate applications to specific job openings

Get Job Submission - Retrieve comprehensive details about a specific job submission record by its unique identifier

Create Job Submission - Submit a candidate to a specific job opening by creating a new job submission record

Update Job Submission - Update an existing job submission record to reflect progress through the hiring pipeline

Delete Job Submission - Remove a job submission record from active use while preserving it for audit history

List All Entity Types - Retrieve a complete list of all available entity types in the Bullhorn system

Get Entity Field Metadata - Retrieve detailed field definitions and metadata for a specific Bullhorn entity type

Search Entity - Search for records in any Bullhorn entity using Lucene search syntax or JPQL query

Get Entity Record - Retrieve a specific record from any Bullhorn entity by ID

Do More, Build Less.

Integration Infrastructure for Bullhorn AI Agents.

Multiple Interfaces

Access integrations via API, AI SDKs, MCP & A2A.

Bullhorn MCP server

Managed Authentication

Pre-built authentication UI.

Agent auth

Falcon Engine

Every Bullhorn action runs on Falcon.

Agent Execution Engine

StackOne Defender

88.7% prompt injection detection.

Prompt injection defense

"What impressed us most about StackOne is its ambition and clarity. They're creating infrastructure that modern software and the entire AI agent ecosystem can rely on. The depth of secure integrations, the pace of delivery, and the team's foresight into AI's future uniquely position StackOne to redefine this category."

Luna Schmid, Partner at GV

"We've been impressed by how quickly and deeply StackOne integrates with complex enterprise systems -- and now, with their focus on agent-to-agent interoperability, they're unlocking even more powerful use cases for customers. StackOne delivers all of the above in a universal layer -- without compromise."