AI systems that invoke external APIs, search engines, or code interpreters during inference, extending capabilities beyond raw LLM generation. The foundational capability behind most agentic products. Primary AI lifecycle stage: agents.
1,238 active AI roles across 193 companies in our index reference Tool use as of today.
The companies with the most active Tool use listings are: JPMorgan Chase (80 roles), Salesforce (64 roles), Amazon (51 roles), Adobe (49 roles), Google (44 roles).
Tool use primarily belongs to the agents stage of the AI lifecycle. In current hiring, Tool use roles concentrate at: agents (94%), application (2%).
The sectors with the most active Tool use hiring are: Enterprise, Big Tech, AI Frontier.
AI systems that invoke external APIs, search engines, or code interpreters during inference, extending capabilities beyond raw LLM generation. The foundational capability behind most agentic products.
Primary AI lifecycle stage: agents.
As of today, 1,238 active AI roles across 193 companies in our index reference Tool use. Hiring concentrates at the agents (94%) and application (2%) stages. Most common sectors: Enterprise, Big Tech, AI Frontier.
4 AI roles tagged tool_use.
| Company | Title | Sector | AI score | Other tags |
|---|---|---|---|---|
| Northrop Grumman | Software Engineer 2/3 | Aerospace | 7 | Agent orchestration · Evals · RAG · LLM observability |
| Northrop Grumman | Software Engineer: Automation/AI - Level 3 (Chandler) | Aerospace | 7 | Agent orchestration · LLM observability · RAG · Vector DB · Fine-tuning · Model serving · Inference infra |
| Boeing | Software Engineer–Developer | Aerospace | 5 | Agent orchestration · Inference infra · Model serving |
| Boeing | Mid-Level Business Intelligence Analyst | Aerospace | 5 | Agent orchestration · Evals · Guardrails · LLM observability · RAG · Vector DB · Fine-tuning · Inference infra · Model serving |