miguelspizza

5 ms·

1.
by miguelspizza 14d ago
The article misses the point of MCP but he is not wrong that it was a mistake (in some ways) The mistake of MCP was building it in such a way that it needed to be on a separate process from the API. The statefullness of MCP was such a massi
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Show HN: Rook – A multi-Agent harness that lives 100% in a browser extension(chromewebstore.google.com)
2 points by miguelspizza 1mo ago|0 comments
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by miguelspizza 1mo ago
Nice write-up. Btw, Codex and ChatGPT desktop support WebMCP in their integrated browser as of yesterday. One way to think about WebMCP, as the article notes, is as web accessibility for agents. But since it functionally allows developers t
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by miguelspizza 2mo ago
The more I use the AIs the more I feel like I did at the end of reading blindsight. The things are undoubtedly “intelligent” by any practical definition of the word, but they are not aware. This is also why I advocate against using AI as a
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by miguelspizza 2mo ago
The worst materialization of this are the slew of startups that are going to “watch your employees work so they can learn their job” as if random clicks on a computer can be reversed engineered to automate someone’s job. This sort of audaci
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by miguelspizza 2mo ago
Not sure I understand the point your are making. how is this unique for bots with their own identity? Bots hijacking a user session can also be blocked
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by miguelspizza 2mo ago
AI Session Hijacking is such a dead end and I think this will be the thing that kills it. Just register these things in the IDP and let them sign into their own accounts. Maybe if we give these things their own identity people will stop le
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by miguelspizza 3mo ago
I used this for a POC analytics dashboard for a client recently. Very very good, nice work. What are your plans for the library?
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by miguelspizza 3mo ago
What’s ironic about this is they technically already shipped a looser version. The entire cf api is exposed as an MCP server which supports OAuth and dynamic client registration. Not sure why they don’t just support DCR or CIMD for this too
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by miguelspizza 4mo ago
Happy to see WebMCP adoption and a standards first framework. The argument for react has always been dev velocity and ecosystem. But with AI the best web experiences will be as close to the “metal” as possible
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by miguelspizza 4mo ago
I have been working full time in the MCP (& WebMCP) space for about a year now. Half consulting half spec work. The article is semi right. Local MCPs that are made by enthusiasts wrapping an api they don’t own? Yes that is dead and shou
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by miguelspizza 5mo ago
I’m not sure why this is getting so much hate. This is the future people, AI is a primitive of modern software, just be thankful chrome ships this locally
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Show HN: Forcing Claude Code to Write Maintainable TypeScript(github.com)
4 points by miguelspizza 6mo ago|2 comments
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by miguelspizza 8mo ago
I’ve spent the past few months working with and implementing OAuth. This might the best collection of resources: https://github.com/ryanspletzer/oidc-oauth-spec-graph
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Token Issuer Metadata: A Proposal for Config-as-Code SSO(docs.meetchar.ai)
1 points by miguelspizza 9mo ago|0 comments
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by miguelspizza 10mo ago
We actually have this with the permissions API. The issue is everyone just opts for longer approval times and less intrusive UX with manifest level permissions. I agree though, runtime permissions should be the default
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Show HN: Using WebMCP to make the CDP MCP server 90% more token efficient(github.com)
4 points by miguelspizza 10mo ago|2 comments
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by miguelspizza 10mo ago
Hate to say it but this sounds like a skill issue. The reason Typescript monorepos are gaining popularity for building with AI is because of how powerful TS's inference system is. If you are writing lots of types you are doing it wrong
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by miguelspizza 10mo ago
Clojure is such an underrated language for vibe coding for this very reason. Makes me wonder what a theoretical “best possible language for vibe coding” would look like
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by miguelspizza 10mo ago
Not sure where you heard this but general sentiment is the opposite. There was recently a conference which was themed around the idea that typescript monorepos are the best way to build with AI
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by miguelspizza 1y ago
The agent mode is really disappointing. I thought OpenAI would try to be more innovative with how the agent interacts with webpages, but it looks like it's the same DOM parsing and screenshot workflow the rest of the AI browser agents
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by miguelspizza 1y ago
WebMCP essentially turns your website into an MCP server. Which means it is kind of like building a UI for the LLM that lives alongside the human UI. It's also a contract for how LLM's interact with a website, they can do no more
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by miguelspizza 1y ago
It's more providing permission granularity on the action level rather than the sandbox level. Your script might not be able to make external api calls, but there is no way to gate the ability to take destructive action within the webpa
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by miguelspizza 1y ago
Hey glad to see Jason getting the credit he deserves! He was grokking WebMCP long before anyone else. If anyone wants to test out WebMCP, you can go to: https://webmcp.sh/ (this is a WebMCP server) With the MCP-B chrome ext
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by miguelspizza 1y ago
> The other part is the cohesive interface for the agent itself to use these selectors We are incubating this over at the WebMCP web standard proposal. You can see the current draft of explainer for the declarative API. https:/&#x
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by miguelspizza 1y ago
I wrote #2 as a result of a web automation tool I a working on. It's easier to show than tell. This is a video of me "vibe-coding" a userscript that adds a darkmode toggle to hacker news: https://screen.studio&#x2
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by miguelspizza 1y ago
I left my job to work on my side project (MCP-B: https://news.ycombinator.com/item?id=44515403 ) full time. I set out with the goal of making the ability to vibecode a webMCP server for your website and inject it via userscr
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by miguelspizza 1y ago
Hey I wrote MCP-B and am about to do another launch here in a week or so. The product is a browser agent which does browser automation sudo-deterministically over WebMCP. https://news.ycombinator.com/item?id=44515403 I’d lo
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by miguelspizza 1y ago
Can we run it in the browser via WASM?
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by miguelspizza 1y ago
The Primary client for WebMCP enabled websites is a chrome extension like Claude Chrome. So the human is still there in the loop looking at the screen. MCP also supports things like elicitation so the website could stop the model and reques

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