The archive · Developer & Business Tools · Strategic decision · 2025–2026
Manufact bets MCP becomes agents' standard and sells the cloud for it
YC S25 startup that grew open-source mcp-use into Manufact Cloud for deploying, testing and publishing MCP apps; Launch HN 2026-07-02, 111 points.
Manufact
What the business is
Manufact (formerly mcp-use) sells Manufact Cloud — managed hosting, cross-client testing, analytics and publishing checks for MCP servers and ChatGPT/Claude apps — on top of its open-source mcp-use SDK for TypeScript and Python.
How it started
The team built mcp-use in the open ('open-source since day one') as the easy path from any LLM to MCP servers, and independent builders began picking it up: LangChain announced MCP-Use Tools on 2025-04-13, Y Combinator highlighted the project on 2025-07-24, and it reached Product Hunt in August 2025. The company went through YC's Summer 2025 batch (per the Launch HN title), with co-founders Pietro and Luigi introducing the launch.
What happened
By July 2026 the company had renamed itself Manufact and expanded from SDK to platform: git-push deploys with per-branch preview URLs, a Cloud Inspector, cross-client test suites that can gate CI, publishing checks mapped to the ChatGPT Apps Store and Claude Connectors, OAuth, analytics and session replay. Pricing runs Free ($5/month usage credits), Hobby $25, Startup $250 and Enterprise. Its site publishes case studies with AgentMail, iAhorro, Meilleurtaux and PredictLeads, and the Launch HN on 2026-07-02 drew 111 points and 70 comments.
How it ended up
No exit; as of 2026-09-05 Manufact is live and scaling — the open-source SDK keeps pulling stars and downloads while the paid cloud adds marketplace publishing tools for ChatGPT and Claude, and third parties describe the play as 'Vercel for MCP'.
Background
Manufact began as mcp-use, an open-source SDK that connects any LLM to MCP servers, and became a YC Summer 2025 startup selling Manufact Cloud — hosting, testing, analytics and publishing for MCP servers and ChatGPT/Claude apps. Its bet: MCP becomes the standard way agents reach tools, so the company that owns the SDK-to-production pipeline wins.
The open-source layer did the distribution. LangChain announced MCP-Use Tools on 2025-04-13, Y Combinator posted about the project on 2025-07-24, it hit Product Hunt in August 2025, and the site claims over 10k GitHub stars and 9M+ SDK downloads by the September 2026 fetch. Independent developers described it as the 'Vercel for MCP' play.
By mid-2026 the company rebranded to Manufact and launched the cloud on Hacker News (2026-07-02, 111 points, 70 comments): git-push deploys, per-branch previews, cross-client test suites that gate CI, publishing checks for the ChatGPT Apps Store and Claude Connectors, OAuth, analytics and session replay, priced from free to enterprise.
As of 2026-09-05 Manufact is live and scaling. No funding or revenue figures are disclosed in the material; the visible story is open-source adoption converting into a paid developer cloud as agent marketplaces mature.
What has to be true
- MCP gives the company real distribution pull: the protocol is built into ChatGPT, Claude and coding agents, so every MCP server or app needs tooling around deploy, test and publish.
- Open-core economics: the SDK is free, framework-agnostic and open since day one, so adoption is cheap, while the cloud monetizes metered tool-call requests, evals and checks.
- Timing: YC S25 plus LangChain and Y Combinator attention in April–July 2025 put mcp-use in front of developers before the ChatGPT/Claude app-store wave of 2026.
- The rebrand kept a clean line: mcp-use stays the open-source SDK brand, Manufact carries the paid cloud, so the two audiences are never confused.
What can be applied
Give the framework away and sell the pipeline: the open-source mcp-use SDK built distribution while Manufact monetizes deploy, test and publish for MCP apps — an open-core 'Vercel for MCP' play.
Aftermath
As of 2026-09-05, Manufact is live and scaling. Its cloud covers the MCP lifecycle: scaffold with the mcp-use SDK, deploy from GitHub in under 60 seconds, test across ChatGPT and Claude, run publishing checks for the ChatGPT Apps Store and Claude Connectors, and monitor runs. Pricing is freemium (Free with $5/month credits, Hobby $25, Startup $250, Enterprise custom); AgentMail, iAhorro, Meilleurtaux and PredictLeads appear as customers. The open-source SDK stays the front door — 10k+ stars and 9M+ downloads per the site.
Sources
- Launch HN: Manufact (YC S25) – MCP Cloud
- mcp-use/mcp-use — SDK, client and agent framework for MCP
- mcp-use is building open-source dev tools and infrastructure for MCP
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