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I built MCP on Ruby to help developers turn any Rails API into an MCP server

https://github.com/nagstler/mcp_on_ruby
2•NinjaGems•2mo ago

Comments

NinjaGems•2mo ago
I built MCP on Ruby, a gem that turns your Rails app into a fully-featured LLM server following the Model Context Protocol standard.

- What is it? Think of MCP as "REST for LLMs" - it standardizes how apps talk to AI models.

My implementation brings this to Ruby/Rails with:

Provider adapters for OpenAI & Anthropic (just add your API key)

Persistent storage options (memory, Redis, ActiveRecord)

Streaming responses for dynamic UIs

File handling & tool calling support

*Rails integration with just a few lines of code

- Why I built it I wanted a clean, Rails-friendly way to add AI capabilities without writing boilerplate for each provider. The existing MCP implementations were Python-focused, so I built this for the Ruby community.

- The ActiveRecord storage (just released in v0.3.0) lets you store conversations in your existing Rails database.

- Try it out: https://github.com/nagstler/mcp_on_ruby

The Role of XML in Interoperability

https://blog.documentfoundation.org/blog/2025/07/11/the-role-of-xml-in-interoperability/
1•zaik•1m ago•0 comments

Open-sourcing our clinical triage benchmark for evaluating LLMs

https://github.com/medaks/medask-benchmarks
1•klemenvod•3m ago•2 comments

Surprising not CR*P – Vibing hardware

https://www.youtube.com/watch?v=UQCpDarEoBc
1•iamflimflam1•5m ago•0 comments

Measuring the Impact of LLMs on Experienced Developer Productivity

https://hackaday.com/2025/07/11/measuring-the-impact-of-llms-on-experienced-developer-productivity/
2•iamflimflam1•6m ago•0 comments

The FBI just shut down a Nintendo Switch piracy site

https://www.theverge.com/news/705202/the-fbi-just-shut-down-a-nintendo-switch-piracy-site
1•01-_-•8m ago•0 comments

The Great Lay-Off'ening is already well underway. What'll happen to the economy?

https://old.reddit.com/r/wallstreetbets/comments/1lx93c4/the_great_layoffening_is_already_well_underway/
1•disqard•10m ago•0 comments

New Windows 11 build adds self-healing "quick machine recovery" feature

https://arstechnica.com/gadgets/2025/07/new-windows-11-build-adds-self-healing-quick-machine-recovery-feature/
1•01-_-•10m ago•0 comments

Transformers are the best equivalents of cognitive ability

https://dmf-archive.github.io/docs/posts/form-follows-function-2/
2•NetRunnerSu•18m ago•0 comments

Modern Java – A book teaches how to write modern and effective Java

https://javabook.mccue.dev
1•0x54MUR41•18m ago•0 comments

Show HN: Microsoft official MCP for documentation and more

https://github.com/MicrosoftDocs/mcp
2•ztq121121•21m ago•1 comments

New Date("WTF") – How well do you know JavaScript's Date class?

https://jsdate.wtf
2•OuterVale•27m ago•0 comments

Show HN: MailTion – AI-Powered Email Marketing for Businesses

https://mailtion-waitlist.vercel.app
1•jawwadjamiu•36m ago•0 comments

Ask HN: How to combine work, entrepreneurship and having a life

1•Nadssat•38m ago•0 comments

The Rise and Fall of the Knowledge Worker

https://jacobin.com/2025/07/knowledge-workers-ai-globalization-deindustrialization/
1•chobeat•39m ago•0 comments

Upwork Suspended My Account Without Reason

2•kerimn•42m ago•1 comments

Zuck Races to Build Godlike AI, Women and People of Color Aren't Invited

https://gizmodo.com/as-zuck-races-to-build-godlike-ai-women-and-people-of-color-arent-invited-2000628303
6•Bluestein•43m ago•0 comments

Why U.S. Geothermal May Advance, Despite Political Headwinds

https://e360.yale.edu/features/united-states-geothermal-republican-spending-bill
1•jbotz•43m ago•0 comments

Superpowers are real–these people are living proof

https://www.nationalgeographic.com/science/article/superpowers-real-human-abilities-genetics
5•Bluestein•43m ago•0 comments

Show HN: Sage-AI – AI-Powered Writing Assistant

https://sage-ai-waitlist.vercel.app
1•jawwadjamiu•44m ago•0 comments

Ask HN: What are some non-standard ways to reduce the size of executable files?

1•FerkiHN•47m ago•1 comments

Show HN: A simple old school news website

https://news.unixpods.dev
1•dd_xplore•51m ago•0 comments

Better Software Conference (Casey Muratori on OOP)

https://www.twitch.tv/bettersoftwareconference
2•creikey•57m ago•0 comments

Show HN: Free YouTube Tag Generator to Improve Video SEO

1•rahulbstomar•1h ago•0 comments

Building a Distributed Cache for S3

https://clickhouse.com/blog/building-a-distributed-cache-for-s3
1•subset•1h ago•0 comments

Bad Actors Are Grooming LLMs to Produce Falsehoods

https://americansunlight.substack.com/cp/168074209
38•nsoonhui•1h ago•16 comments

The Open Source AI Definition 1.0

https://opensource.org/ai
2•doener•1h ago•0 comments

Leave Russia

https://leave-russia.org/
17•austinallegro•1h ago•2 comments

Invisible Text

1•alizefeeney•1h ago•0 comments

Jonathan Blow – Jai Demo and Design Explanation

3•gethly•1h ago•0 comments

Separation of storage and compute without a performance tradeoff

https://neon.com/blog/separation-of-storage-and-compute-perf
1•davidgomes•1h ago•0 comments