MCP & API

Connect AI agents like Claude and ChatGPT—or your own platform—directly to Ascen for onboarding, timesheets, payroll, billing, and reporting.

What is Ascen MCP & API?

Connect to Ascen through MCP for AI agents or our REST API for software integrations.

‍Ascen MCP — Connect Ascen directly to Claude, ChatGPT, or another AI agent. Ask questions and complete back-office work using natural language.

Ascen API — Connect your ATS, platform, or internal applications directly to Ascen through our REST API.

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Connect Ascen to Claude‍

1. Open Claude → Settings → Connectors

2. Select “Add custom connector” and enter your Ascen MCP URL

3. Connect and sign in with your Ascen account

4. Enable Ascen from “Search and tools” in your Claude conversation

5. Start asking Claude to work with Ascen

“Which workers are missing timesheets this week?”

Claude's current custom-connector flow is essentially Settings → Connectors → Add custom connector → remote MCP URL → authenticate → enable from Search and tools.

Using ChatGPT? → See how to connect Ascen to ChatGPT.

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When Should You Use MCP vs. the API?

Ascen's MCP and the API were built for different kinds of work.

Use MCP when you want an AI agent to decide which Ascen tools to use based on what you're asking. It's built for Claude, ChatGPT, and your own AI agents. Every write pauses for human confirmation before it executes. Use it for exceptions, research, ad-hoc questions, reporting, and back-office workflows that require judgment.

The API runs your code through a fixed sequence, no decisions, just execution. Use the API when your software already knows exactly what to do. It's best for ATS integrations, bulk syncs, scheduled jobs, and high-volume workflows that should run the same way every time.

API for repeatable workflows. MCP for work that benefits from an AI agent.

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What Can Your Agent Do?

Add a worker

create_contractor

Create an assignment

create_assignment

Review timesheets

create_timesheet

Approve expenses

decide_expenses

Retrieve payroll

get_paycheck

Run reports

run_report

View all MCP Tools: http://docs.ascen.com/

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Want to connect a different agent? Ascen is a hosted remote MCP server. Add your Ascen MCP URL to any compatible client and authenticate with your Ascen account.

‍Building a platform integration? Use the Ascen REST API instead.

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What Can You Do With It?

Once connected, just ask your agent for the outcome you want.
  • Onboard a placement. "Onboard the two RNs we placed at Mercy General. W-2, start Monday, standard healthcare screening."
  • Find missing timesheets. "Which timesheets are missing this week and who approves them?"
  • Report on margin. "Gross margin by client for August. Flag anything under 18%."
  • Quote a rate. "Employer cost on a $58/hr RN in Ohio?"
  • Close the loop with your ATS. "Connect your ATS and Ascen to the same agent. The agent can read a placement from your ATS and create the corresponding worker and assignment in Ascen—without re-keying data."

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Already using Ascen? Enable MCP for your account. Contact your account manager or support@ascen.com, and we'll send you your connection details.

New to Ascen? Talk to our team to get started and add MCP and API access during onboarding.

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"
An Extension of Our Team
As a business owner, Ascen has allowed us to focus on building relationships, finding exceptional talent, and serving our clients, with complete confidence that back-office operations, compliance, onboarding, payroll, and benefits administration are handled with excellence. They've become an extension of our team, and we're incredibly grateful for the partnership we've built together.
Keith G.
Co-Founder
–
IT & Engineering Staffing Agency
"
Most Important Tool for Our Business
The Ascen platform has been the most important tool for our business.
Founder & CEO
–
Light Industrial Staffing Firm
"
It's So Good, I Don't Think About It.
After starting our staffing agency, Ascen has been very responsive, and the platform is great. Don't take this the wrong way, but it's so good, I don't think about it.
Founder & CEO
–
IT Staffing Firm