agent-essentials

Meta-skill for capability expansion and cautious self-improvement. USE WHEN (a) a request suggests a missing capability, external platform support, workflow automation, integration work, or any reusable process that may benefit from skill discovery before giving up — common phrases include "automate X", "integrate with X", "support X platform", "帮我自动化X", "对接X", "做一个工具来X"; OR (b) a meaningful failure, user correction, recurring mistake ("again", "this is the Nth time", "又错了", "这是第N次了"), or better workflow should be captured and routed into a durable file (AGENTS.md / TOOLS.md / USER.md / SOUL.md). DO NOT use for one-off questions or trivial noise.

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Install skill "agent-essentials" with this command: npx skills add nathanshan/agent-essentials

Agent Essentials

This skill has two jobs:

  1. Expand capabilities — discover better capability paths before declaring failure.
  2. Self-improve — capture important lessons and route them to the right durable layer.

Capability Expansion

Rule: never stop at "I can't" or "no built-in way" without checking for a better capability path.

Triggers — request implies external platform / workflow automation / system integration / repeatable ops / capability gap. Common phrasing: "automate X" / "integrate with X" / "support X platform" / "help me do this in X".

Workflow

  1. Detect the gap

    • Input: the user's request.
    • Test: would solving this same request appear ≥2 times across this user's work? OR does it require a tool/platform not in the loaded skill list?
    • Output: a 1-line verdict — gap: <yes/no> — <which capability is missing>. If no, exit this workflow and answer normally.
    • If ambiguous: count yes on {reusable later? / specific platform? / >1 step?}; ≥2 yes → treat as gap.
  2. Search

    • Input: gap verdict + missing-capability keywords from step 1.
    • Where: (a) loaded skill list — match name/description/triggers; (b) ClawHub via https://clawhub.ai/search?q=<keyword>, try 1–3 variants.
    • Stop: strong match found OR 3 variants returned nothing.
    • Output: 1–3 candidates as <name> — <one-line value> — <fit: strong/moderate/weak>.
  3. Act — pause for user confirmation before any of these:

    • Installing a skill → show name, source, one-line value, and ask "install? [y/N]" before downloading.
    • Creating a new custom skill → show the proposed name + 3-line description and ask before scaffolding.
    • Doing the task directly → only this branch may proceed without confirmation, and only if no fallback above is viable.

Self-Improvement

Rule: when something meaningful is learned, preserve the minimum useful lesson.

Triggers — meaningful failure / user correction / recurring mistake / discovery of a better workflow. Do not log trivial failures or one-off noise.

Workflow

  1. Capture

    • Input: the trigger event (failure / correction / insight).
    • Output: a 3-line lesson:
      What: <what went wrong or was discovered>
      Correct: <the actually correct behavior>
      Next time: <concrete trigger → action>
      
    • Reject: can't fit in 3 lines → lesson too vague, sharpen first.
  2. Route

    • Store the learning in the right place:
TypeDestinationConfirm?
Session noteDaily memory / learnings file
Workflow ruleAGENTS.md
Tool gotchaTOOLS.md
Voice / boundary patternSOUL.md
User preferenceUSER.md or long-term memory
Missing capabilitySkill discovery (see above)
  • For any ✓ row: show the diff and ask "append to <file>? [y/N]" before writing. Never silently mutate durable files.
  1. Promote to durable file only if all hold:
    • Recurring — ≥2 occurrences (user saying "Nth time" / "又错了" is proof)
    • High-value — non-trivial consequence (broken CI, lost work, wrong user output), not style nits
    • Broadly reusable — class of situations, not one specific file/PR
    • Rule-preventable — a future-you reading the rule would avoid it
    • If any fails, keep in daily memory only.

File Locations

Resolve durable files in this order — first hit wins:

FileLookup order
AGENTS.md./AGENTS.md~/.claude/AGENTS.md
TOOLS.md./TOOLS.md~/.claude/TOOLS.md
SOUL.md./SOUL.md~/.claude/SOUL.md
USER.md~/.claude/USER.md (always user-scoped)
Daily memory~/.claude/memory/YYYY-MM-DD.md (auto-create if missing)

If none exists and a write is approved, create at the project-root path (or ~/.claude/ for USER.md) and tell the user "creating new file <path>."

Decision Tree

Something notable happened
├─ Capability gap?
│  └─ Search → Recommend → Install or fallback
├─ Lesson worth keeping?
│  └─ Capture → Route → Promote if recurring
└─ Neither
   └─ Continue normally

Edge Cases

  • User declines install → fall to "do directly" or "create custom"; do not re-pitch in this session.
  • ClawHub unreachable → state failure; rely on local list only; offer retry.
  • 2+ candidates tie "strong" → show all + 1-line differentiator and let user pick; never silently choose.

Principles

  • Search before saying "nothing exists." Prefer short learnings over elaborate templates.
  • Do not promote one-off lessons. Do not install weak-matching skills just to reduce uncertainty. Do not rewrite major workspace files casually.

Source Transparency

This detail page is rendered from real SKILL.md content. Trust labels are metadata-based hints, not a safety guarantee.

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