Show HN: Agents.json – OpenAPI Specification for LLMs
Published on: 2025-07-07 15:01:59
Translate OpenAPI into LLM Tools
The agents.json Specification is an open specification that formally describes contracts for API and agent interactions, built on top of the OpenAPI standard. The current version is 0.1.0 .
Use the Wildcard Bridge Python package to load, parse, and run agents.json.
Quickstart
Use one of the quickstart notebooks to get started:
Demos
agents.json Specification
The agents.json Specification is an open specification that formally describes contracts for API and agent interactions, built on top of the OpenAPI standard.
The current version is 0.1.0 .
Give feedback, share your projects, and get help in our Discord.
Schema
The full schema is available here.
Motivations
Enabling AI agents to interact with APIs is difficult. We faced the same problem as many others building agents: altering APIs to work reliably with LLMs and executing multiple API calls successfully in a row is a trial and error process.
APIs are designed for developers and not LLM
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