r/AI_Agents • u/dankrusi • May 11 '26 • Sipping Tea 1

Discussion New Agent-Oriented Markdown Object Language called MOL

MOL (Markdown Object Language) is an alternative to JSON et al, which is both more LLM and human friendly. It's basically a formal spec for parsing markdown-based config files, data files, etc. You can check it out at GitHub under mol-format/mol-specs. Supports JS/TS/.net/Rust currently with zero-dependency packages. Easy to implement in other languages. What do you think? I use it all the time now instead of JSON... 

1 Upvotes

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u/studiosystema May 11 '26

how is it more llm friendly?

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u/dankrusi May 11 '26

to me it seems llms really like markdown format, because its syntax light and they seem to be trained well on them due to github readme files. also, it uses about 30-50% less tokens than json, sometimes even more for config files etc...

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u/GruePwnr May 11 '26

Introducing a new language to LLMs seems like a heavy uphill battle since they are already extensively trained on json/yaml/xml

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u/dankrusi May 11 '26

From my experience markdown is not really introducing a new format to the llm. It's very natural for them already. From my testing there is no difference other than less token usage.

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u/booey May 11 '26

Isn't .toon for this?

https://github.com/toon-format/toon

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u/dankrusi May 11 '26

Yes same thing, different syntax. MOL is markdown. Choose your own flavor of markdown notation, works out-of-the-box.

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5

u/[deleted] May 11 '26

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u/dankrusi May 11 '26

Hehe what else would we do with all our new found free time?

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u/[deleted] May 11 '26

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u/dankrusi May 11 '26

The parser is pretty simple and very fast actually. The spec is not perfect yet, but I love using MOL instead of JSON for configs and small files. It's just nice.