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Show HN: Playground to Test Skills and MCP

https://www.mcpjam.com/blog/skills
5•chelojimenez•1h ago
Hi HN, I'm Matt, founder of MCPJam. We're building open source dev tools for MCP server builders.

There’s been a lot of debate around skills vs MCP. From what I see, there’s a growing trend of people using skills paired with MCP servers. Skills teach the agent how to use the MCP server tools and guide the agent to completing complex workflows.

We’re also seeing Anthropic encourage the use of Skills + MCP in their products. Anthropic recently launched the connectors marketplace. A good example of this is the Figma connector + skills. The Figma skill teaches the agent how to use the Figma MCP connector to set up design system rules.

The use of Skills + MCP pairing is growing, and we recommend MCP server developers to start thinking about writing skills that complement their MCP server. Today, we’re releasing two features around skills to help you test skills + MCP pairing.

In MCPJam, you can now view your skills beautifully in the skills tab. MCPJam lets you upload skills directly, which are then saved to your local skills directory.

You can also test skills paired with your MCP server in MCPJam’s LLM playground. We’ve created a tool that contextually fetches your skills so they get loaded into the chat. If you want more control, you can also deterministically inject them with a “/” slash command.

Skills + MCP are a fairly new concept. I would love to hear your thoughts on it!

If You Give an AI a Computer

https://www.blake.ist/posts/if-you-give-an-ai-a-computer/
1•erhuve•1m ago•0 comments

A short video from KIMI AI founder, Zhilin Yang

https://www.youtube.com/watch?v=5rithrDqeN8
1•rmason•1m ago•0 comments

Anthropic-Pentagon Clash over Limits on AI Imperils $200M Contract

https://www.wsj.com/tech/ai/anthropic-pentagon-clash-over-limits-on-ai-imperils-200-million-contr...
1•RyanShook•2m ago•0 comments

Show HN: Jack – a simple cross-platform CLI Multi-Tool for dev productivity

1•dimeskigj•2m ago•0 comments

How to Run Local LLMs with Claude Code and OpenAI Codex

https://unsloth.ai/docs/basics/claude-codex
1•ljosifov•3m ago•0 comments

Tim Berners-Lee says he is in a 'battle for the soul' of the internet

https://www.theguardian.com/technology/2026/jan/29/internet-inventor-tim-berners-lee-interview-ba...
1•rmason•3m ago•0 comments

Apple posts record-breaking quarterly earnings

https://www.apple.com/newsroom/2026/01/apple-reports-first-quarter-results/
2•linkage•5m ago•2 comments

The Trump Administration Is Publishing a Stream of Nazi Propaganda

https://www.theatlantic.com/national-security/2026/01/social-media-trump-administration-dhs/685659/
6•zerosizedweasle•6m ago•2 comments

Bitcoin 2-Month Low as Gold and Stocks Give Up Gains, Crypto Liquidations $800M

https://decrypt.co/356330/bitcoin-2-month-low-gold-stocks-give-up-gains-crypto-liquidations-800m
1•paulpauper•7m ago•0 comments

PicoIDE An open source IDE/ATAPI drive emulator for vintage computers

https://www.crowdsupply.com/polpotronics/picoide
1•helfire•8m ago•0 comments

Man impersonating FBI agent tried to get Luigi Mangione out of jail

https://apnews.com/article/luigi-mangione-jail-release-arrest-brooklyn-dc5ec1c87b636bfe99352ef329...
1•bradleyankrom•8m ago•0 comments

Sly Dunbar, Whose Drumming Brought Complex Beats to Reggae, Dies at 73

https://www.nytimes.com/2026/01/28/arts/music/sly-dunbar-dead.html
1•paulpauper•9m ago•0 comments

Is school worse for your kids than social media?

https://marginalrevolution.com/marginalrevolution/2026/01/is-school-worse-for-your-kids-than-soci...
1•paulpauper•10m ago•0 comments

YouTube wiped 4.7B+ views worth of AI brainrot

https://www.androidpolice.com/youtube-is-indeed-getting-rid-of-ai-slop/
1•SunshineTheCat•11m ago•0 comments

Is this dumb? A "mother may I" hook for Claude Code

https://github.com/dts/mother
1•Dstaudigel•12m ago•1 comments

Encrypted Peer-to-Peer Messaging via Decentralized Bluetooth Mesh

https://github.com/permissionlesstech/bitchat/blob/main/WHITEPAPER.md
1•us321•13m ago•0 comments

WriteFreely: An open source platform for building a writing space on the web

https://writefreely.org/
1•doener•14m ago•0 comments

Building Less Painful AI Code Production Lines

https://www.mitchschwartz.co/2026/01/designing-less-painful-ai-production.html
1•MitchSchwartz•14m ago•0 comments

The Hidden Costs of Additions to a System

https://leomax.fyi/blog/the-hidden-costs-of-additions-to-a-system/
1•mvestri•15m ago•0 comments

Procial – social instance for more advanced (pro) users, who enjoy Mastodon but

https://procial.tchncs.de/
1•doener•15m ago•0 comments

Explore some of the finest open-source software out there

https://tchncs.de/en/
1•doener•19m ago•0 comments

The Duelling Rhetoric at the AI Frontier

https://deadneurons.substack.com/p/the-duelling-rhetoric-at-the-ai-frontier
1•gmays•20m ago•0 comments

The Arc of the Practical Creator

https://home.moretothat.com/p/the-arc-of-the-practical-creator
1•herbertl•22m ago•0 comments

Cos goes FOSS The sorry state of scientific publishing and how we could

https://jekelylab.github.io/COS_goes_FOSS_publishing.html#/title-slide
1•nabla9•23m ago•0 comments

Rate Limiter with Caddy and Fail2ban

https://blog.schallbert.de/en/fail2ban-with-caddy/
1•indigodaddy•25m ago•0 comments

Parca Continuous Profiling

https://github.com/parca-dev/parca
2•shablulman•28m ago•0 comments

Datadog started collecting EXPLAIN ANALYZE plans for Postgres queries

https://www.datadoghq.com/blog/database-monitoring-explain-analyze/
1•dujuku•29m ago•1 comments

Q&A: Intermittent fasting's link to gut bacteria could combat obesity

https://medicalxpress.com/news/2026-01-qa-intermittent-fasting-link-gut.html
2•PaulHoule•29m ago•0 comments

Show HN: Yanna Cursor, but for documents (draft → edit → redline → e-sign)

https://app.yanna.pro/review-and-sign
2•adamazak•29m ago•0 comments

Building Docs Like a Product

https://emschwartz.me/building-docs-like-a-product/
1•emschwartz•29m ago•0 comments