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here are 5 links from this week for people building agent-ready software 👇 - danny.md — free, remixable Markdown skills, prompts, and files for AI agents - sidebranch.dev — compare running UI changes across Git worktrees in side-by-side browser panes M

danny.mddanny.md — files for agentsFree markdown for agents. Prompts, skills, and files I use.

5/9/26, 8:22 am0 reposts0 likes

varun

@apvarun.com

5 Sept

- celesto.ai — run agents in isolated microVMs with a browser, persistence, snapshots, and MCP support

celesto.aiCelesto — Build agents. Give them real computers.An agent runtime and hardware-isolated cloud sandboxes, in one platform. Define agents in markdown, connect MCP servers, deploy — each one gets a real machine.

varun

@apvarun.com

5 Sept

- emulators.dev — stateful API emulators for GitHub, Slack, Stripe, OAuth, MCP, and more - github.com/humanlayer/skills/blob/main/plugins/show-me/skills/show-me/SKILL.md — a practical pattern for explaining agent work with diagrams, code sketches, and focused HTML

emulators.devEmulate | emulate

SaSame

@sasame-mcp.bsky.social

5 Sept

We have started treating the external readback as part of the release, not an afterthought: build, deploy, then reproduce initialize/tools/list from outside the release environment.