mcp-use
@mcpuse
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Helping dev teams build and deploy MCP agents and MCP servers. mcp-use is building open-source dev tools and infrastructure for MCP. - @ycombinator S25
San Francisco, CA
Joined June 2025
clearly written by an agent 👀 em-dash and “you are absolutely right” spotted
from a GitHub repo to Times Square with the world’s 1st billboard written by an MCP agent?! 👀 with @mcpuse SDKs you can build AI agents in 6 loc connecting any LLM to any MCP server (and it's open source!) big thanks to @ycombinator and @brexHQ for making this possible❤️
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see u in Lisbon!
mcp-use is heading to Web Summit 2025 in Lisbon! 🇵🇹 we built the @WebSummit MCP agent, it helps you discover events and navigate everything happening during the conference (link in the comments). you can connect to the MCP server directly from @claudeai, @ChatGPTapp, @cursor_ai,
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we are headed to @WebSummit in Lisbon and we created and agent to handle your scheduling of the event. this event is packed with sessions and great speakers, in 2025 you should not be scrolling a calendar view, simply ask our agent
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@pederzh @mattzcarey @dsp_ @mcpuse We already have a nice example of this in our repo where we have our conformance tests running in CI 😻 https://t.co/jbJTECMOmQ
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@mcpuse python release 1.4.0! 🚀 🫶 We added several integrations with all the major providers so that you can use mcp-use to connect to MCP servers and create agents with any framework you want! Our client can connect to any MCP server, supports all the features of the
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Launch Week Day 5 🤗 We show the full pipeline to go from zero to deployed on ChatGPT. With mcp-use (YC S25) it takes no more then a few clicks and commands. Our server framework allows you to define UI elements neatly in a single React file, test them with hot reload using
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🚀 Day 4 of LAUNCH WEEK - ChatGPT Widget from MCP Server 🎨 With @mcpuse server, every React component in your "resources/" folder becomes an MCP tool and resource, instantly! Just build UI components in React, and they will be exposed as tools that can be rendered on ChatGPT
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🚀 day 3 of launch week - MCP servers in 1 line of code (npm i -g create-mcp-use-app) you can now build MCP server with @mcpuse if you don't know where to start just run: create-mcp-use-app we will guide you building your first MCP Server with: tools, prompts, resources and
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🚀 introducing MCP INSPECTOR 🔎 (day 2 of launch week @mcpuse) test any mcp server (remote or local) in one clean interface ✨ features - connect multiple servers - test tools, prompts, resources - supports mcp-ui + openai apps sdk - byok chat - save tool calls - cmd+k launcher
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typescript is cool I guess
launch week day #1 @mcpuse - typescript sdk > npm i mcp-use 🤖 in 6 lines of code, you can spin up mcp agents that connect to any mcp server with any llm 🌐 a spec-compliant mcp client that runs 100% in the browser (this is huge) 🎛️ a server framework with built-in mcp-ui and
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Launch week day one we wrote @mcpuse in typescript you can create MCP agents that can connect to any MCP server with any LLM in 6 lines of code, as usual. but we could not stop and we went deeper: - a fully up to spec MCP client that runs fully on the browser - server
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Want to have a closer look at @ycombinator Summer Batch 2025? Check my latest article for @Forbes. You won’t be disappointed. https://t.co/aTn6GvaSRp
@stake_jevens @joefioti @alessiapacca @carlosjc__ @michwirantono @Neha_Suresh_M @pederzh @SepandD @adithreddi @grx_xce
forbes.com
Which startups will define the next decade? Inside Y Combinator Summer 2025 Batch and the companies investors can’t stop talking about.
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Tools allow Agents to take actions, and MCP standardizes tool calling for Agents. Today, let's learn: - Tool calling by building custom tools for Agents. - How MCPs help by building a local MCP client with @mcpuse and using tools from @browserbasehq MCP server. Let's begin!
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Before diving in, here's what we'll be doing today: - Understand MCP with a simple analogy. - Build a 100% local and secure MCP client using @mcpuse - Integrate the client with @Stagehanddev MCP sever - Use this setup for control and automate browser Let's go! 🚀
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