Sales & Customer Support · TheirStack + Claude
TheirStack MCP with Claude: Turn Hiring Signals into Sales and Recruiting Action
The short answer
Claude connects to TheirStack through the Model Context Protocol (MCP), a secure standard that lets Claude use the platform with permissions you control. Once connected, Claude can search job postings, analyse company hiring signals, inspect technology stacks and enrich account lists, all from plain-language requests. Sign-in uses a TheirStack API key.
What is TheirStack?
TheirStack is a data platform that collects job postings, company information and technographic data, meaning details about the technology companies use. It helps teams find hiring signals, market trends and account intelligence faster. Sales teams use it to find prospects, recruiters use it to understand competitor hiring, and market researchers use it to track where industries are growing. It turns scattered public job activity into organised information that people can act on.
How Claude connects to TheirStack through MCP
The Model Context Protocol (MCP) is an open standard that lets Claude securely use other software. Think of it as a universal adapter between Claude and a tool. Your organisation decides exactly what Claude can reach, and access is granted through a sign-in method the tool supports, in this case a TheirStack API key.
Once connected, Claude can read job postings, company records and technology data in TheirStack, then answer questions such as which companies recently hired for a particular skill, or which firms in a region use a specific tool. Claude can also enrich a list of accounts with hiring and technology details, saving hours of manual searching.
Permissions and approvals keep people in charge. Access is limited to the data your team needs, following the principle of least privilege. Actions that matter, such as adding accounts to a campaign or changing a CRM record, can require a person to approve them first, and audit logs record what was done and when.
What you can automate
Prospect discovery for sales teams
A sales lead asks Claude for software companies that have posted several engineering roles in the last 60 days and use a particular cloud platform. Claude searches TheirStack, filters the results and returns a ranked list with the relevant job titles and technology details. The team starts outreach the same day instead of spending a week on manual research.
Hiring signal alerts for account managers
Account managers want to know when existing clients begin hiring in areas that suggest a new need, such as data or security roles. Claude checks TheirStack for these signals across the account list and summarises which clients are expanding and in which departments. Managers can open conversations about relevant services at the right moment.
Competitive hiring analysis for leadership
A strategy team wants to understand where competitors are investing. Claude reviews job posting trends for named companies over several months and highlights shifts in roles, locations and skills. The output is a short briefing that leaders can review, helping them compare their own plans with what the market is doing.
Talent market research for recruiters
Recruiters need to know which skills are in demand and which companies are competing for the same candidates. Claude analyses job postings by role and region in TheirStack and reports on salary ranges mentioned in listings, common requirements and the employers most active in hiring. Recruiters use this to set realistic briefs and pitch hiring plans to clients.
Technology-based account targeting
A vendor selling integration services wants companies that already use a specific platform. Claude uses TheirStack's technographic data to find organisations running that technology, then groups them by size and industry. The sales team receives a targeted list that reflects real technology use rather than guesswork.
An end-to-end workflow: Weekly outbound list for a SaaS sales team, with CRM update
TriggerEvery Monday at 8:00, a scheduled request asks Claude to build the week's prospect list.
Claude queries TheirStack for companies in the target industries that posted relevant job roles in the past 30 days.
Claude filters the results by company size, region and the technologies they use, based on the team's ideal customer profile.
Claude enriches each account with its recent hiring signals and the job titles that suggest a buying need.
The list is drafted in Microsoft 365 as a shared spreadsheet, and the sales manager reviews and approves the accounts to pursue.
Approved accounts are created or updated in the CRM with the hiring signal noted, and the assigned representative is notified.
An audit log records each step, so the manager can see where every account came from.
OutcomeSales representatives start each week with a reviewed, evidence-based prospect list tied to real hiring activity, and CRM records show why each account was chosen. Typical outcomes include less manual research time and better-timed outreach, though results vary by market and team.
How we set it up
Free automation audit
We review your sales and recruiting processes and identify where hiring signals and account data would save time or improve targeting. You receive a clear list of priority workflows at no cost.
Secure connection with an API key
We set up access to TheirStack using an API key, stored securely and limited to the permissions your workflows require. Claude is then connected through MCP, or through the direct API where that suits your setup better.
Workflow design across your systems
We design the end-to-end process across TheirStack and your other systems, such as Microsoft 365, your CRM or your ticketing tool. Human approval points are set for any action that affects customers or records.
Testing and launch with monitoring
We test the workflow against past searches and real prospect lists to check accuracy. After launch, we monitor usage and keep audit logs so you can see what Claude has done.
Team training
We train your sales, recruiting and operations staff to ask good questions, review Claude's results and manage the approval process. Training is followed by a review to refine the workflows as your needs change.
Who benefits
- Sales directors
- Build prospect lists faster and based on real hiring activity and technology use.
- Account managers
- Spot expansion signals in existing clients early and plan better-timed conversations.
- Recruiting leads
- Understand talent demand, competitor hiring and salary benchmarks without manual research.
- Strategy and market research teams
- Track hiring trends across industries and competitors to inform planning decisions.
Security and control
- Access is granted with least-privilege permissions, so Claude only reaches the data each workflow needs.
- The TheirStack API key is stored securely and can be rotated or revoked at any time.
- People approve consequential actions, such as CRM changes or outreach lists, before they take effect.
- Audit logs record every query and action so your team can review how results were produced.
- Data handling follows the rules that apply to your organisation and the regions where you operate.
For teams in the US, UK, India and the Middle East
Organisations in the United States and the United Kingdom can use TheirStack with Claude under their existing data protection and privacy frameworks. Businesses in India must meet the Digital Personal Data Protection Act, 2023, when handling personal data such as contact details. Companies in the UAE and Saudi Arabia must follow their local data protection laws. We choose the hosting region for any custom application to help meet these requirements.
Learn more about Claude and MCP
Anthropic's AI model and assistant.
Secure links between Claude and business tools.
How engineers build and change software with Claude.
Hosted agents that run multi-step work.
The open standard Claude uses to connect to tools.
Frequently asked questions
What does the TheirStack MCP server do?
The TheirStack MCP server acts as a secure bridge between Claude and TheirStack. It lets Claude search job postings, read company and technology data and answer questions in plain language. The server only exposes the capabilities your workflow is set up to use, and every request runs under the access you have approved.
Is connecting TheirStack to Claude secure?
Yes, when set up correctly. Access uses an API key with least-privilege permissions, the key is stored securely and can be revoked at any time, and audit logs record activity. Sensitive actions can require human approval. We design these controls into every connection before launch.
What can Claude do with TheirStack once connected?
Claude can search job postings by role, skill, location and date, analyse hiring trends for companies, inspect the technologies organisations use and enrich account lists with this information. Typically, teams use these answers to build prospect lists, track competitors and inform recruiting plans.
How long does setup take?
Setup time depends on the number of workflows and the systems involved. A single, focused workflow with one API key connection is often ready within a few weeks, including testing and training. Larger multi-system projects take longer. We confirm a realistic timeline during the free automation audit.
What account and permissions do we need?
You need an active TheirStack account with an API key that your organisation is permitted to use. In general, the key should have only the permissions the workflow requires. We advise on the right level of access during the audit so your team stays within its plan and data policies.