What's Running MCP

What it does

Every agent session starts blind. It reads a stale doc or an old transcript, decides your dev server is running, and health-checks a process that died three weeks ago. Model memory is a cache with no invalidation. Five read-only tools answer from the OS instead: live agent sessions (pid, uptime, cwd), every TCP LISTEN socket and its owning process, loaded daemons, load/disk. No shell, no writes, no network. MIT and free. claude mcp add --scope user whats-running -- npx -y whats-running-mcp

MCP server exposing live machine ground-truth (processes, listening ports, daemons, load) to agent fleets — stop guessing what's actually running. - stcmain/whats-running-mcp

Ground truth for agent fleets. An MCP server that tells your AI agent what is actually running on the machine — live agent sessions, listening TCP ports, loaded daemons, system load — read straight from the OS ( ps / lsof / launchctl / df ), never from docs, transcripts, or memory files. If you run more than one coding-agent session (Claude Code, Codex, Aider…), you've seen this failure mode: an agent "health-checks" a server that died weeks ago, or confidently reports a daemon as live because an old transcript said so. Model memory is a cache with no invalidation. The OS is the source of truth. This server started as a shell script ( whats-running ) I wrote after my own fleet of Claude…from github.com

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  Kaiku27d ago · kaiku.tech · ▲79

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  MCPGod: Fine-grained control over MCP clients, servers, and tools2025 · github.com · ▲37

  Hey everyone, I've wanted an easy way to control which mcp server tools are available to clients. So for example, I might want a gmail server to only expose the read tool (but not send, delete etc). I figured if I create a cli for spawning mcp servers, I could intercept the stdin, stdout, stderr etc and modify what the clients see when they are making calls to list tools, resources, and prompts. Well it worked! In the initial version you can easily add a server to claude with a safe list of tools: npx -y mcpgod add @modelcontextprotocol/server-everything --client claude --tools=echo,add…

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  Spira Maxima▲578

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  Work · Aug 2026 · clipto.com

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  Simple algorithm and color space to generate diverse skin tones▲627

  Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…

  Life & fun · Aug 2026 · toneyalexander.github.io

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  AdAnt AI▲620

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