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OpenAI and Anthropic both have blog posts about programmatic tool use. Tbh I settled in STARLARK as the intermediary language it's a python dialect so most llms can use it with little help.https://github.com/zarldev/zarlmono/blob/main/zkit%2Fagent%2... it's a wrapper around the calls of the other tool set.

Check out https://github.com/strongdm/attractor along with the community implementations at https://factory.strongdm.ai/products/attractor#community.

Check out academic papers about:

1. Hierarchical skills, workflow, skill learning 2. Meta Harness, self-learning harnesses 3. Trace/trajectory representation 4. Common agentic benchmarks

But first more basic things like 5. Blog posts form anthropic 6. How Claude Code/PI/ Hermes!! agent works 7. Agent sessions/ Forking/ Hooks

Sounds like you want something similar to /goal mode in Codex.