Tool Use
Environments testing whether agents can wield tools: chaining APIs, recovering from tool errors, choosing the right function among hundreds, and composing multi-tool workflows. As MCP-style ecosystems grow, tool-use environments are how labs keep models reliable across thousands of integrations.
2 startups
| Name | Domains | Location | Team | Funding | Raising |
|---|---|---|---|---|---|
| Chakra Labs Dojo: a hub of computer-use and tool-use environments | Computer Use, Tool Use | Brooklyn | 11-25 | ~$10.1M (reported) | - |
| Pareto Expert data workforce for RLHF, evals, and tool-use environments | Multi-Domain, Tool Use, Data Labeling, RLHF | San Francisco | 26-50 | - | - |