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AGENTS.md – Open format for guiding coding agents

agents.md

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Re: AGENTS.md – Open format for guiding coding agents

#21
At this point AGENTS.md is a README.md with enough hype behind it to actually motivate people to populate it with contents. People were too lazy to write docs for other people, but funnily enough are ok with doing it for robots.

This situation reminds me a bit of ergonomic handles design. Designed for a few people, preferred by everyone.

Re: AGENTS.md – Open format for guiding coding agents

#22

In what way is this a format or standard? It's just markdown in a namespce

All the different coding agents put their "rules" in different places: .cursor, CLAUDE.md etc..

It makes no sense and it really needs standardisation. I hope this catches on.

Re: AGENTS.md – Open format for guiding coding agents

#24

We're in a transition phase today where agents need special guidance to understand a codebase that go beyond what humans need. Before long, I don't think they will. I think we should focus on our own project documentation being comprehensive (e.g. the contents of this AGENTS.md are appropriate to live somewhere in our documentation), but we should always write for humans. The LLM's whole shtick is that it can read an…

> We're in a transition phase today where agents need special guidance to understand a codebase that go beyond what humans need. Before long, I don't think they will.

This isn't guaranteed. Just like we will never have fully self-driving cars, we likely won't have fully human quality coders.

Right now AI coders are going to be another tool in the tool bucket.

Re: AGENTS.md – Open format for guiding coding agents

#25
post #4

In what way is this a format or standard? It's just markdown in a namespce

You could get this page down to under 100 words by simply having it say "the name of the file LLM agents will look at for instructions on the repo is AGENTS.md; that's it, that's the standard". It's a real problem! Every agent right now has their own weird filename. I love David Crawshaw's sketch.dev, but for reasons passing understanding they choose "dear_llm.md" for theirs.

I created a ticket for adding AGENTS.md support.

edit: They're on it. Not everything has to be complex; sometimes somebody just has to do it.

Re: AGENTS.md – Open format for guiding coding agents

#26

We're in a transition phase today where agents need special guidance to understand a codebase that go beyond what humans need. Before long, I don't think they will. I think we should focus on our own project documentation being comprehensive (e.g. the contents of this AGENTS.md are appropriate to live somewhere in our documentation), but we should always write for humans. The LLM's whole shtick is that it can read an…

[deleted]

Re: AGENTS.md – Open format for guiding coding agents

#27

We're in a transition phase today where agents need special guidance to understand a codebase that go beyond what humans need. Before long, I don't think they will. I think we should focus on our own project documentation being comprehensive (e.g. the contents of this AGENTS.md are appropriate to live somewhere in our documentation), but we should always write for humans. The LLM's whole shtick is that it can read an…

This applies to mcp too

Re: AGENTS.md – Open format for guiding coding agents

#28
I think we lost something pretty big in this formulation.

With Claude code and others, if I put a context file (agent.MD or whatever) in a project subfolder, e.g., something explaining my database model in with the related code, it gets added to the root project context when the agent is using that subfolder.

It sounds to me like this formulation doesn’t support that.

Re: AGENTS.md – Open format for guiding coding agents

#29

I'm still not convinced that separating README.md and AGENTS.md is a good idea.

I had the same thought as I read this example. Everything in the AGENTS.md file should just be in a good README.md file.

My READMEs don't have things like "don't run the whole test suite unless I instruct you to because it will take too long; run targeted tests instead".

Re: AGENTS.md – Open format for guiding coding agents

#30
post #18
post #16

Earlier quoted context omitted.

That draft RFC you mention is superseded by https://agents.md . Now that Amp uses AGENTS.md ( https://x.com/sqs/status/1957945824404729997 ), I made all the former agent file stuff on https://ampcode.com just redirect to https://agents.md .

Gotcha - this is what I had in my history: https://ampcode.com/AGENT.md For me, that gives a 404 with no obvious way to get to https://agents.md , I think either a hyperlink or redirect would be nice to have as well.

Thank you for pointing that out. Just pushed a fix, will be live in ~5-10min.
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