💯 agreed On Fri, May 30, 2025 at 9:52 AM Kaxil Naik <kaxiln...@gmail.com> wrote:
> Agreed > > On Fri, 30 May 2025 at 15:18, Jarek Potiuk <ja...@potiuk.com> wrote: > > > Yeah, I think none of us want to just publish the code and be "done" with > > it ... There is a real work to be done to make MCP much more useful and > "AI > > friendly" and the examples you gave Brian are cool, because I think we > need > > to (and this is mostly the ask from maintainers for the users to come and > > participate in the design phase of what the MCP can do). > > It looks like that "backbone" of the MCP and the glue between the REST > API > > and MCP can be done in a simple (and easy to maintain) way. But the added > > value is indeed in figuring out what would be useful missing things - > > starting from what broad use cases we want to address - and whether some > > help for the agent can be described as prompts, better description of the > > API and examples or maybe we need more aggregated, new APIs (maybe simply > > new REST API calls we need) that will allow the agents to reason better > and > > faster. All of that is possible. > > > > J > > > > On Fri, May 30, 2025 at 11:29 AM Kaxil Naik <kaxiln...@gmail.com> wrote: > > > > > You can easily add as many tools you want: > > > https://gofastmcp.com/servers/tools > > > > > > I would be surprised if there is a thing you can't do with FastMCP 2.0+ > > > that you can do with the MCP Python SDK. > > > > > > Like I said earlier: This is a simplistic example :) but the gist is we > > > should be using the newer abstractions which I am happy to comment > during > > > the development phase too. Like everything else we need to ensure > > > maintainability is worth the value we create. > > > > > > > > > > > > On Fri, 30 May 2025 at 14:48, Kaxil Naik <kaxiln...@gmail.com> wrote: > > > > > > > Btw we don’t need to use FastMCP just for create MCP from OpenApi > spec. > > > > Many of you mighht already be aware - FastMCP 1.0 was adopted in the > > > > official mcp python sdk since 1.2 and is recommended high-level > server > > > > framework. > > > > > > > > Check: > > > > > https://github.com/modelcontextprotocol/python-sdk/releases/tag/v1.2.0 > > > > > > > > @Bryan Coder: I will be surprised if you can’t do the use-case you > > > > mentioned with FastMCP - either the one donated to MCP Python SDK or > > > > FastMCP 2.0 - have you tried that? It isn’t just a wrapper! > > > > > > > > On Fri, 30 May 2025 at 13:16, Avi <a...@astronomer.io.invalid> wrote: > > > > > > > >> Yeah FastMCP is nice, I didn't select fast mcp for this specific > > reason: > > > >> - The sheer number of tools that are created using OpenAPI spec > > doesn't > > > >> need to be passed to AI every single message. > > > >> - Instead, we can do a hierarchical tool discovery based on > > categories. > > > >> And > > > >> let AI select a particular category and then get tools only for that > > > >> category. > > > >> > > > >> python3 -c " > > > >> > import json > > > >> > with open('path/to/openapi.json') as f: > > > >> > spec = json.load(f) > > > >> > > > > >> > tags = {} > > > >> > for path, methods in spec['paths'].items(): > > > >> > for method, details in methods.items(): > > > >> > if 'tags' in details: > > > >> > for tag in details['tags']: > > > >> > tags[tag] = tags.get(tag, 0) + 1 > > > >> > > > > >> > print('Tags and their counts:') > > > >> > for tag, count in sorted(tags.items(), key=lambda x: x[1], > > > >> reverse=True): > > > >> > print(f'{tag}: {count}') > > > >> > " > > > >> Tags and their counts: > > > >> Task Instance: 19 > > > >> Asset: 13 > > > >> Connection: 8 > > > >> DagRun: 8 > > > >> Backfill: 7 > > > >> DAG: 7 > > > >> Pool: 6 > > > >> Variable: 6 > > > >> XCom: 4 > > > >> Config: 2 > > > >> Event Log: 2 > > > >> Import Error: 2 > > > >> Plugin: 2 > > > >> Task: 2 > > > >> DagVersion: 2 > > > >> Login: 2 > > > >> DagSource: 1 > > > >> DagStats: 1 > > > >> DagReport: 1 > > > >> DagWarning: 1 > > > >> Extra Links: 1 > > > >> Job: 1 > > > >> Provider: 1 > > > >> DAG Parsing: 1 > > > >> Monitor: 1 > > > >> Version: 1 > > > >> > > > >> My last attempt to do a hierarchical discovery with FastMCP didn't > go > > as > > > >> expected. > > > >> But this could be short term. There is something cooking in the > model > > > >> context protocol repo for search of a tool. Ref: > > > >> > https://github.com/modelcontextprotocol/modelcontextprotocol/pull/322 > > > >> > > > >> I'll give this a try with FastMCP to see if I can get the > > > >> hierarchical discovery working. > > > >> > > > >> - Avi > > > >> > > > >> On Fri, May 30, 2025 at 1:33 AM Bryan Corder <bryancor...@gmail.com > > > > > >> wrote: > > > >> > > > >> > In order to bring value, we might want to think beyond just > wrapping > > > the > > > >> > API. As Kaxil just showed, it's easy to create something with 10 > > lines > > > >> of > > > >> > code and FastMCP. > > > >> > > > > >> > However, the Airflow API was made for Airflow operators' > > consumption, > > > >> not > > > >> > necessarily for LLM consumption. When you have an endpoint called > > > >> "Delete > > > >> > DAG" with a description "Delete a specific DAG" that's very easy > for > > > any > > > >> > user who has already navigated to the Airflow API spec to > > understand, > > > >> but > > > >> > maybe not the best tool description for an LLM. I think we'd want > to > > > >> either > > > >> > exclude that or add additional context for the LLM to know it's > > > >> > destructive. > > > >> > > > > >> > In addition, LLMs can struggle with tool selection when you give > it > > 80 > > > >> > tools to work with. Things in the middle sometimes get lost in the > > > >> context. > > > >> > There are ways to customize the FastMCP ( > > > >> > https://gofastmcp.com/servers/openapi#custom-route-maps) to cut > > down > > > >> the > > > >> > list of options, should you choose. > > > >> > > > > >> > However, it may be better to create something more tailored to > LLMs. > > > >> > Thinking about the use case of getting LLM assistance with > > debugging a > > > >> > failed run, one of the things my teams do is put the "run book" > for > > > prod > > > >> > support in the doc_md notes right with the DAG, so if a file never > > > >> shows up > > > >> > they know exactly what to do in that situation (potentially, do > > > >> nothing). > > > >> > We also include other information like, "xx task can be flaky. If > > you > > > >> get > > > >> > this error, rerunning it will usually resolve it." The goal is for > > any > > > >> > engineer armed with the stack trace and the run book to be able to > > > solve > > > >> > any error. My team has all that information right in the UI. To > get > > > that > > > >> > information, the LLM would need to know to hit the DAG Details > > > endpoint > > > >> for > > > >> > one minor attribute amongst several for the doc_md and get the > > correct > > > >> dag > > > >> > id, run id, task id and try number to grab the stack trace from > the > > > >> failed > > > >> > run. It would then need to go elsewhere to find the DAG code to > > > debug. I > > > >> > think it would be better to just create a "debug_failed_task" tool > > an > > > >> LLM > > > >> > could call from an MCP server that would string those calls > together > > > and > > > >> > serve them up to the LLM on a silver platter. The LLM could focus > > all > > > >> its > > > >> > "reasoning" efforts on solving the problem instead of figuring out > > how > > > >> to > > > >> > get the information it needs to even begin. > > > >> > > > > >> > Again, if we just want to wrap the API in FastMCP, we can share > > > Kaxil's > > > >> 10 > > > >> > lines of code in a Medium article and be done. I think the real > > value > > > >> is in > > > >> > providing an implementation of a limited set of more complex base > > > tools > > > >> > like debug_failed_task (described above), pause_all_active_DAGs > > > (because > > > >> > I'm about to upgrade!), describe_DAG (grabs only the description, > > > >> > dependencies, converts cron schedule to human readable if > > applicable, > > > >> etc) > > > >> > and giving people a way to extend the server. > > > >> > > > > >> > The above is tool focused. As Avi pointed out, there are also > > > resources > > > >> and > > > >> > prompts, but I've only personally worked with tools and have > nothing > > > to > > > >> add > > > >> > there. > > > >> > > > > >> > With all the LLM tools quickly advancing on the development side > > (e.g. > > > >> code > > > >> > generation/review), it's great to see the community working on > > > building > > > >> > tools to help with the operational side. > > > >> > > > > >> > Bryan > > > >> > > > > >> > > > > >> > On Thu, May 29, 2025, 4:50 PM Kaxil Naik <kaxiln...@gmail.com> > > wrote: > > > >> > > > > >> > > One more comment: MCP SDKs have advanced quite a bit and I was > > able > > > to > > > >> > get > > > >> > > an Airflow MCP Server working with just the following code > block. > > I > > > >> was > > > >> > > successfully able to pause/unpause a DAG from Claude and other > MCP > > > >> client > > > >> > > as an example. So as much as possible we should utilize higher > > level > > > >> > > abstraction like FastMCP which allows creating client from > OpenAPI > > > >> spec > > > >> > > <https://gofastmcp.com/servers/openapi#openapi-integration>: > > > >> > > > > > >> > > import os > > > >> > > > > > >> > > import httpx > > > >> > > from fastmcp import FastMCP > > > >> > > > > > >> > > token = os.environ.get("AF_ACCESS_TOKEN") > > > >> > > client = httpx.AsyncClient( > > > >> > > base_url="http://localhost:28080";, > > > >> > > headers={"Authorization": f"Bearer {token}"}, > > > >> > > ) > > > >> > > > > > >> > > openapi_spec = httpx.get(" > http://localhost:28080/openapi.json > > > >> > ").json() > > > >> > > > > > >> > > mcp = FastMCP.from_openapi( > > > >> > > openapi_spec=openapi_spec, > > > >> > > client=client, > > > >> > > name="Airflow 3.0 API Server" > > > >> > > ) > > > >> > > > > > >> > > if __name__ == "__main__": > > > >> > > mcp.run() > > > >> > > > > > >> > > > > > >> > > > > > >> > > On Thu, 29 May 2025 at 20:32, Avi <a...@astronomer.io.invalid> > > > wrote: > > > >> > > > > > >> > > > @Shahar -- Yes. Definitely. Feel free to reachout if you need > > > >> anything. > > > >> > > > > > > >> > > > I totally agree, it to live as a separate repo. > > > >> > > > > > > >> > > > - Avi > > > >> > > > > > > >> > > > On Thu, May 29, 2025 at 12:50 PM Kaxil Naik < > > kaxiln...@gmail.com> > > > >> > wrote: > > > >> > > > > > > >> > > > > @Shahar -- Absolutely, I think you are driving it with this > > > email. > > > >> > So I > > > >> > > > > think you can lead it from here and whoever wants to join > can > > > >> co-lead > > > >> > > or > > > >> > > > > join in development. > > > >> > > > > > > > >> > > > > Please feel free to drive :) > > > >> > > > > > > > >> > > > > On Thu, 29 May 2025 at 17:07, Aaron Dantley < > > > >> aarondant...@gmail.com> > > > >> > > > > wrote: > > > >> > > > > > > > >> > > > > > Hey All! > > > >> > > > > > > > > >> > > > > > I’d be grateful to be included in the AIP discussions to > > help > > > if > > > >> > > > possible > > > >> > > > > > too! Like Shahar, I’ve never worked on any of these items > so > > > >> it’d > > > >> > be > > > >> > > > > great > > > >> > > > > > to see how work gets assigned and goes through a whole > > > >> development > > > >> > > > cycle! > > > >> > > > > > > > > >> > > > > > Looking forward to it! > > > >> > > > > > Aaron > > > >> > > > > > > > > >> > > > > > On Thu, May 29, 2025 at 7:32 AM Shahar Epstein < > > > >> sha...@apache.org> > > > >> > > > > wrote: > > > >> > > > > > > > > >> > > > > > > If it's ok, I would like to lead the AIP effort (or at > > least > > > >> > > > co-lead), > > > >> > > > > as > > > >> > > > > > > I've never written an AIP before. I could start drafting > > it > > > >> > during > > > >> > > > the > > > >> > > > > > next > > > >> > > > > > > week. > > > >> > > > > > > Avi - please let me know if it works for you. > > > >> > > > > > > > > > >> > > > > > > > > > >> > > > > > > Shahar > > > >> > > > > > > > > > >> > > > > > > > > > >> > > > > > > On Thu, May 29, 2025, 13:09 Kaxil Naik < > > kaxiln...@gmail.com > > > > > > > >> > > wrote: > > > >> > > > > > > > > > >> > > > > > > > Yes separate repo, please and we would need someone to > > > lead > > > >> > this > > > >> > > > > effort > > > >> > > > > > > on > > > >> > > > > > > > the proposal & development too. Avi - you are probably > > > well > > > >> > > > equipped > > > >> > > > > to > > > >> > > > > > > > lead it and I am sure more folks like Aaraon would be > > > eager > > > >> to > > > >> > > work > > > >> > > > > on > > > >> > > > > > > its > > > >> > > > > > > > development and on-going maintenance. > > > >> > > > > > > > > > > >> > > > > > > > Regards, > > > >> > > > > > > > Kaxil > > > >> > > > > > > > > > > >> > > > > > > > On Thu, 29 May 2025 at 15:25, Jarek Potiuk < > > > >> ja...@potiuk.com> > > > >> > > > wrote: > > > >> > > > > > > > > > > >> > > > > > > > > Yep. Having MCP is cool and drawing our > implementation > > > >> from > > > >> > > > > > experiences > > > >> > > > > > > > and > > > >> > > > > > > > > usage of other MCP servers out there is even cooler > > > >> > (especially > > > >> > > > > that > > > >> > > > > > we > > > >> > > > > > > > can > > > >> > > > > > > > > have some insights how people already use them with > > > >> Airflow) > > > >> > - > > > >> > > if > > > >> > > > > we > > > >> > > > > > > can > > > >> > > > > > > > > bring together a few of those, put some nice, > relevant > > > >> > Airflow > > > >> > > > > > prompts. > > > >> > > > > > > > > Ideally we could have some examples of how MCP can > be > > > used > > > >> > > taken > > > >> > > > > from > > > >> > > > > > > > those > > > >> > > > > > > > > who are using airflow (the debugging example by Avi > is > > > >> cool) > > > >> > > > > > > > > > > > >> > > > > > > > > I am not sure implementing it as provider is really > > "the > > > >> way" > > > >> > > > > though > > > >> > > > > > - > > > >> > > > > > > I > > > >> > > > > > > > > would rather see `apache-airflow-mcp" separate repo > - > > > >> it's so > > > >> > > > > > different > > > >> > > > > > > > and > > > >> > > > > > > > > distinct from airflow it does not really require any > > of > > > >> > Airflow > > > >> > > > > > > internals > > > >> > > > > > > > > and code to be implemented - it makes very little > > sense > > > >> to be > > > >> > > the > > > >> > > > > > part > > > >> > > > > > > of > > > >> > > > > > > > > airflow "workspace" where we would develop it > together > > > >> with > > > >> > > > > airflow - > > > >> > > > > > > > > because if it will talk over the REST api, all we > need > > > is > > > >> the > > > >> > > > > > `client` > > > >> > > > > > > > that > > > >> > > > > > > > > might be just a dependency. And there is even no > > reason > > > >> for > > > >> > MCP > > > >> > > > and > > > >> > > > > > > > airflow > > > >> > > > > > > > > to be installed and developed together (that's the > > main > > > >> > reason > > > >> > > > why > > > >> > > > > we > > > >> > > > > > > > want > > > >> > > > > > > > > providers to be kept in monorepo. > > > >> > > > > > > > > > > > >> > > > > > > > > J. > > > >> > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > > > On Thu, May 29, 2025 at 8:37 AM Amogh Desai < > > > >> > > > > > amoghdesai....@gmail.com> > > > >> > > > > > > > > wrote: > > > >> > > > > > > > > > > > >> > > > > > > > > > Seems like a promising area to invest in given the > > > >> benefits > > > >> > > it > > > >> > > > > can > > > >> > > > > > > > > provide > > > >> > > > > > > > > > to > > > >> > > > > > > > > > the users as mentioned by Shahar and Abhishek. > > > >> > > > > > > > > > > > > >> > > > > > > > > > Abhishek also has a promising talk submitted > which i > > > am > > > >> > > looking > > > >> > > > > > > forward > > > >> > > > > > > > > to > > > >> > > > > > > > > > this year at the summit. > > > >> > > > > > > > > > > > > >> > > > > > > > > > In any case, this seems to be one of the first of > > the > > > >> very > > > >> > > few > > > >> > > > > > > > > > implementations of trying > > > >> > > > > > > > > > to integrate Airflow officially / unofficially > with > > an > > > >> MCP > > > >> > > > > server. > > > >> > > > > > > > > > > > > >> > > > > > > > > > Thanks & Regards, > > > >> > > > > > > > > > Amogh Desai > > > >> > > > > > > > > > > > > >> > > > > > > > > > > > > >> > > > > > > > > > On Thu, May 29, 2025 at 2:56 AM Aaron Dantley < > > > >> > > > > > > aarondant...@gmail.com> > > > >> > > > > > > > > > wrote: > > > >> > > > > > > > > > > > > >> > > > > > > > > > > Hey! > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > I also think this is a great idea! > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > Would it be possible to be included in the > > > development > > > >> > > > process? > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > Sorry I’m new to this group, but would > appreciate > > > any > > > >> > > > > suggestions > > > >> > > > > > > on > > > >> > > > > > > > > how > > > >> > > > > > > > > > to > > > >> > > > > > > > > > > contribute to the MCP server development! > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > Regards! > > > >> > > > > > > > > > > Aaron > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > On Wed, May 28, 2025 at 2:57 PM Avi > > > >> > > > <a...@astronomer.io.invalid > > > >> > > > > > > > > >> > > > > > > > wrote: > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > > Nice to see the idea to incorporate an > official > > > MCP > > > >> > > server > > > >> > > > > for > > > >> > > > > > > > > > > > Airflow. It's been really magical to see what > a > > > >> simple > > > >> > > LLM > > > >> > > > > can > > > >> > > > > > do > > > >> > > > > > > > > with > > > >> > > > > > > > > > an > > > >> > > > > > > > > > > > Airflow MCP server built just from APIs. > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > A few things that I noticed in my experience: > > > >> > > > > > > > > > > > - The number of tools that the OpenAPI spec > > > >> generates > > > >> > is > > > >> > > > > quite > > > >> > > > > > > > huge. > > > >> > > > > > > > > > Most > > > >> > > > > > > > > > > > tools (*Claude, VS Code with GitHub Copilot, > > > Cursor, > > > >> > > > > Windsurf*) > > > >> > > > > > > > which > > > >> > > > > > > > > > > uses > > > >> > > > > > > > > > > > mcp-client limits it to a number of 100 tools. > > > (*The > > > >> > > > > read-only > > > >> > > > > > > mode > > > >> > > > > > > > > > > creates > > > >> > > > > > > > > > > > less tools in comparison*.) > > > >> > > > > > > > > > > > - MCP server are just not tools. There are > other > > > >> things > > > >> > > as > > > >> > > > > > well, > > > >> > > > > > > > like > > > >> > > > > > > > > > > > resources and prompts. Prompts are super > helpful > > > in > > > >> > case > > > >> > > of > > > >> > > > > > > > debugging > > > >> > > > > > > > > > for > > > >> > > > > > > > > > > > example. It is a way of teaching LLM about > > > Airflow. > > > >> > Say I > > > >> > > > > want > > > >> > > > > > to > > > >> > > > > > > > > have > > > >> > > > > > > > > > a > > > >> > > > > > > > > > > > failing task investigated. A prompt can be > > helpful > > > >> in > > > >> > > > letting > > > >> > > > > > LLM > > > >> > > > > > > > > know > > > >> > > > > > > > > > a > > > >> > > > > > > > > > > > step-by-step process of carrying out the > > > >> investigation. > > > >> > > > > > > > > > > > - Where do you run the MCP server? I wouldn't > > want > > > >> my > > > >> > > > laptop > > > >> > > > > to > > > >> > > > > > > do > > > >> > > > > > > > > the > > > >> > > > > > > > > > > > heavy processing, which would want us to go > for > > > the > > > >> SSE > > > >> > > > > instead > > > >> > > > > > > of > > > >> > > > > > > > > > stdio. > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > This is why I chose two different path of > using > > > mcp > > > >> > > server > > > >> > > > > with > > > >> > > > > > > > > > airflow, > > > >> > > > > > > > > > > > which I intend to talk about at the summit. > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > 1. AI-Augmented Airflow - This helped me add a > > > chat > > > >> > > > interface > > > >> > > > > > > > inside > > > >> > > > > > > > > > > > Airflow using a plugin to talk to an Airflow > > > >> instance > > > >> > > (read > > > >> > > > > > only > > > >> > > > > > > > > mode). > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > 2. Airflow-Powered AI - Experimenting with > this > > > has > > > >> > been > > > >> > > > > > totally > > > >> > > > > > > > > > magical, > > > >> > > > > > > > > > > > how powerful AI can become when it has access > to > > > >> > airflow. > > > >> > > > > > Also, a > > > >> > > > > > > > > > > directory > > > >> > > > > > > > > > > > structure to maintain the DAGs, and it can > write > > > >> DAGs > > > >> > on > > > >> > > > the > > > >> > > > > > > fly. I > > > >> > > > > > > > > > > totally > > > >> > > > > > > > > > > > see a need where LLMs eventually will need a > > > >> scheduler, > > > >> > > > > > although > > > >> > > > > > > a > > > >> > > > > > > > > > > complete > > > >> > > > > > > > > > > > airflow just for an LLM might seem a bit > > overkill > > > to > > > >> > the > > > >> > > > rest > > > >> > > > > > of > > > >> > > > > > > > the > > > >> > > > > > > > > > > > community. > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > I chose to build this on top of open API is > > > because > > > >> > that > > > >> > > > was > > > >> > > > > > the > > > >> > > > > > > > only > > > >> > > > > > > > > > way > > > >> > > > > > > > > > > > to get proper RBAC enabled. > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > I have so many points to discuss. Would love > to > > > hear > > > >> > from > > > >> > > > the > > > >> > > > > > > > > community > > > >> > > > > > > > > > > and > > > >> > > > > > > > > > > > then take it forward. > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > Thanks, > > > >> > > > > > > > > > > > Avi > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > On Wed, May 28, 2025 at 6:32 PM Aritra Basu < > > > >> > > > > > > > > aritrabasu1...@gmail.com> > > > >> > > > > > > > > > > > wrote: > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > > I definitely think there's potential to > > interact > > > >> with > > > >> > > an > > > >> > > > > > > airflow > > > >> > > > > > > > > MCP > > > >> > > > > > > > > > > > > server. Though I think I'd be interested to > > see > > > >> how > > > >> > > many > > > >> > > > > and > > > >> > > > > > > how > > > >> > > > > > > > > > > > frequently > > > >> > > > > > > > > > > > > people are making use of MCP servers in the > > wild > > > >> > before > > > >> > > > > > > investing > > > >> > > > > > > > > > > effort > > > >> > > > > > > > > > > > in > > > >> > > > > > > > > > > > > building and maintaining one for airflow. > I'm > > > sure > > > >> > the > > > >> > > > data > > > >> > > > > > is > > > >> > > > > > > > > > > available > > > >> > > > > > > > > > > > > out there, just needs finding. > > > >> > > > > > > > > > > > > -- > > > >> > > > > > > > > > > > > Regards, > > > >> > > > > > > > > > > > > Aritra Basu > > > >> > > > > > > > > > > > > > > > >> > > > > > > > > > > > > On Wed, 28 May 2025, 11:18 pm Julian LaNeve, > > > >> > > > > > > > > > > > <jul...@astronomer.io.invalid > > > >> > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > wrote: > > > >> > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > I think this would be interesting now that > > the > > > >> > > > Streamable > > > >> > > > > > > HTTP > > > >> > > > > > > > > > spec < > > > >> > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > https://modelcontextprotocol.io/specification/2025-03-26/basic/transports > > > >> > > > > >> > > > > > > > > > > > > > is out. I think in theory we could publish > > > this > > > >> > first > > > >> > > > as > > > >> > > > > an > > > >> > > > > > > > > Airflow > > > >> > > > > > > > > > > > > > provider that installs a plugin to expose > an > > > MCP > > > >> > > > > endpoint, > > > >> > > > > > > as a > > > >> > > > > > > > > > PoC - > > > >> > > > > > > > > > > > > this > > > >> > > > > > > > > > > > > > becomes a much nicer experience than a > local > > > >> stdio > > > >> > > one. > > > >> > > > > > > > > > > > > > -- > > > >> > > > > > > > > > > > > > Julian LaNeve > > > >> > > > > > > > > > > > > > CTO > > > >> > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > Email: jul...@astronomer.io > > > >> > > > > > > > > > > > > > <mailto:jul...@astronomer.io>Mobile: 330 > > 509 > > > >> 5792 > > > >> > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > On May 28, 2025, at 1:25 PM, Shahar > > Epstein > > > < > > > >> > > > > > > > sha...@apache.org > > > >> > > > > > > > > > > > > >> > > > > > > > > > > > wrote: > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > Dear community, > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > Following the thread on Slack [1], > > initiated > > > >> by > > > >> > > Jason > > > >> > > > > > > > Sebastian > > > >> > > > > > > > > > > > Kusuma, > > > >> > > > > > > > > > > > > > I'd > > > >> > > > > > > > > > > > > > > like to start an effort to officially > > > support > > > >> MCP > > > >> > > in > > > >> > > > > > > > Airflow's > > > >> > > > > > > > > > > > > codebase. > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > *Some background * > > > >> > > > > > > > > > > > > > > Model Context Protocol (MCP) is an open > > > >> standard, > > > >> > > > > > > open-source > > > >> > > > > > > > > > > > framework > > > >> > > > > > > > > > > > > > > that standardizes the way AI models like > > LLM > > > >> > > > integrate > > > >> > > > > > and > > > >> > > > > > > > > share > > > >> > > > > > > > > > > data > > > >> > > > > > > > > > > > > > with > > > >> > > > > > > > > > > > > > > external tools, systems and data > sources. > > > >> Think > > > >> > of > > > >> > > it > > > >> > > > > as > > > >> > > > > > a > > > >> > > > > > > > > "USB-C > > > >> > > > > > > > > > > for > > > >> > > > > > > > > > > > > > AI" - > > > >> > > > > > > > > > > > > > > a universal connector that simplifies > and > > > >> > > > standardizes > > > >> > > > > AI > > > >> > > > > > > > > > > > > integrations. A > > > >> > > > > > > > > > > > > > > notable example of an MCP server is > > GitHub's > > > >> > > official > > > >> > > > > > > > > > > implementation > > > >> > > > > > > > > > > > > > [3], which > > > >> > > > > > > > > > > > > > > allows LLMs such as Claude, Copilot, and > > > >> OpenAI > > > >> > > (or: > > > >> > > > > "MCP > > > >> > > > > > > > > > clients") > > > >> > > > > > > > > > > > to > > > >> > > > > > > > > > > > > > > fetch pull request details, analyze code > > > >> changes, > > > >> > > and > > > >> > > > > > > > generate > > > >> > > > > > > > > > > review > > > >> > > > > > > > > > > > > > > summaries. > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > *How could an MCP server be useful in > > > >> Airflow?* > > > >> > > > > > > > > > > > > > > Imagine the possibilities when LLMs can > > > >> > seamlessly > > > >> > > > > > interact > > > >> > > > > > > > > with > > > >> > > > > > > > > > > > > > Airflow’s > > > >> > > > > > > > > > > > > > > API: triggering DAGs using natural > > language, > > > >> > > > retrieving > > > >> > > > > > DAG > > > >> > > > > > > > run > > > >> > > > > > > > > > > > > history, > > > >> > > > > > > > > > > > > > > enabling smart debugging, and more. This > > > kind > > > >> of > > > >> > > > > > > integration > > > >> > > > > > > > > > opens > > > >> > > > > > > > > > > > the > > > >> > > > > > > > > > > > > > door > > > >> > > > > > > > > > > > > > > to a more intuitive, conversational > > > interface > > > >> for > > > >> > > > > > workflow > > > >> > > > > > > > > > > > > orchestration. > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > *Why do we need to support it > officially?* > > > >> > > > > > > > > > > > > > > Quid pro quo - LLMs become an integral > > part > > > of > > > >> > the > > > >> > > > > modern > > > >> > > > > > > > > > > development > > > >> > > > > > > > > > > > > > > experience, while Airflow evolves into > the > > > >> go-to > > > >> > > for > > > >> > > > > > > > > > orchestrating > > > >> > > > > > > > > > > AI > > > >> > > > > > > > > > > > > > > workflows. By officially supporting it, > > > we’ll > > > >> > > enable > > > >> > > > > > > multiple > > > >> > > > > > > > > > users > > > >> > > > > > > > > > > > to > > > >> > > > > > > > > > > > > > > interact with Airflow through their > LLMs, > > > >> > > > streamlining > > > >> > > > > > > > > automation > > > >> > > > > > > > > > > and > > > >> > > > > > > > > > > > > > > improving accessibility across diverse > > > >> workflows. > > > >> > > All > > > >> > > > > of > > > >> > > > > > > that > > > >> > > > > > > > > is > > > >> > > > > > > > > > > > viable > > > >> > > > > > > > > > > > > > > with relatively small development effort > > > (see > > > >> > next > > > >> > > > > > > > paragraph). > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > *How should it be implemented?* > > > >> > > > > > > > > > > > > > > As of today, there have been several > > > >> > > implementations > > > >> > > > of > > > >> > > > > > MCP > > > >> > > > > > > > > > servers > > > >> > > > > > > > > > > > for > > > >> > > > > > > > > > > > > > > Airflow API, the most visible one [4] > made > > > by > > > >> > > > Abhishek > > > >> > > > > > > Bhakat > > > >> > > > > > > > > > from > > > >> > > > > > > > > > > > > > > Astronomer. > > > >> > > > > > > > > > > > > > > The efforts of implementing it and > > > >> maintaining it > > > >> > > in > > > >> > > > > our > > > >> > > > > > > > > codebase > > > >> > > > > > > > > > > > > > shouldn't > > > >> > > > > > > > > > > > > > > be too cumbersome (at least in theory), > as > > > we > > > >> > could > > > >> > > > > > utilize > > > >> > > > > > > > > > > packages > > > >> > > > > > > > > > > > > like > > > >> > > > > > > > > > > > > > > fastmcp to auto-generate the server > using > > > the > > > >> > > > existing > > > >> > > > > > > > OpenAPI > > > >> > > > > > > > > > > specs. > > > >> > > > > > > > > > > > > I'd > > > >> > > > > > > > > > > > > > > be very happy if Abhishek could share > his > > > >> > > experience > > > >> > > > in > > > >> > > > > > > this > > > >> > > > > > > > > > > thread. > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > *Where else could we utilize MCP?* > > > >> > > > > > > > > > > > > > > Beyond the scope of the public API, I > > could > > > >> also > > > >> > > > > imagine > > > >> > > > > > > > using > > > >> > > > > > > > > it > > > >> > > > > > > > > > > to > > > >> > > > > > > > > > > > > > > communicate with Breeze. > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > *How do we proceed from here?* > > > >> > > > > > > > > > > > > > > Feel free to share your thoughts here in > > > this > > > >> > > > > discussion. > > > >> > > > > > > > > > > > > > > If there are no objections, I'll be > happy > > to > > > >> > start > > > >> > > > > > working > > > >> > > > > > > on > > > >> > > > > > > > > an > > > >> > > > > > > > > > > AIP. > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > Sincerely, > > > >> > > > > > > > > > > > > > > Shahar Epstein > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > *References:* > > > >> > > > > > > > > > > > > > > [1] Slack discussion, > > > >> > > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > >> > > > > > >> > > https://apache-airflow.slack.com/archives/C06K9Q5G2UA/p1746121916951569 > > > >> > > > > > > > > > > > > > > [2] Introducing the model context > > protocol, > > > >> > > > > > > > > > > > > > > > > > >> > > > https://www.anthropic.com/news/model-context-protocol > > > >> > > > > > > > > > > > > > > [3] GitHub Official MCP server, > > > >> > > > > > > > > > > > > > > https://github.com/github/github-mcp-server > > > >> > > > > > > > > > > > > > > [4] Unofficial MCP Server made by > Abhishek > > > >> Hakat, > > > >> > > > > > > > > > > > > > > > > > >> > > https://github.com/abhishekbhakat/airflow-mcp-server > > > >> > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > > > > >
