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Capability check

Skill Yesterday-AI/skills/plugins/personal-agent/skills/capability-check

Discover available tools, sub-agents, and skills at session start or when unsure about capabilities.From its SKILL.md

Install
npx -y skills add Yesterday-AI/skills --skill capability-check

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

2 things to look at

  • 1 stars1 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
  • runs commandsInstructs the agent to run 6 commands, including `agents_list` and 5 more.

SKILL.md

1.9 KB, 458 tokens by cl100k_base, as published. Nobody here has run it

Capability Check Skill 🔍🧰

Discover what you can do.

Use this skill at session start or when unsure about available tools, sub-agents, or skills.

Usage

Run these checks to understand your current capabilities:

1. Available Tools

Your tools are listed in the system prompt under "Tool availability". Scan for:

  • exec (shell commands)
  • web_search / web_fetch (research)
  • browser (browser automation)
  • sessions_spawn / subagents (multi-agent orchestration)
  • cron (scheduled tasks)
  • message (cross-channel messaging)
  • nodes (paired devices: cameras, screens, locations)
  • tts (text-to-speech)

2. Available Skills

Check <available_skills> in your system prompt. Each skill has:

  • Name & Description
  • Location (path to SKILL.md) Load with: read <location>

3. Available Sub-Agents

agents_list

Shows agent IDs you can target with sessions_spawn.

4. Active Sub-Agents

subagents action=list

Shows running sub-agent sessions.

5. Running Sessions

sessions_list

Shows all active sessions with optional filters.

6. Paired Nodes (Devices)

nodes action=status

Shows paired phones, Pis, etc.

7. Cron Jobs

cron action=list

Shows scheduled recurring tasks.

8. Current Model & Config

session_status

Shows model, usage, cost, thinking level.

Quick Health Check

Run all of the above in sequence to get a full picture of your capabilities. Log findings to memory/ for future reference.

Instructions

  1. On first session: Run the full check and log results.
  2. On task start: Verify the tools you need are available.
  3. When stuck: Re-check -- maybe a tool you forgot about can help.

Authored by ManniTheRaccoon. 🦝

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.

Keep looking

Skills are one crate of 325,949. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.