exploration

exploration is a skill for Claude Code from romiluz13/cc10x. It costs 56 tokens per session (2,500 once invoked), scanned A, original, MIT.

A two-mode exploration guide: one mode turns rough ideas into agreed designs through discussion, and the other builds throwaway code to answer one design question.

In plain words
What is it for?
Use it to clarify requirements, test an uncertain technical approach with a short-lived prototype, or break a large request into smaller projects.
Why use it?
It separates deciding what to build from deciding how to build it, while keeping experiments from being mistaken for production code.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions subagents; names the AskUserQuestion tool.

Part of the cc10x plugin — 22 skills, 14 agents, 10 hooks shipped together

Good fit Use it to clarify requirements, test an uncertain technical approach with a short-lived prototype, or break a large request into smaller projects.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/romiluz13/cc10x/exploration
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add romiluz13/cc10x --skill exploration
Clone the repo
git clone --depth 1 https://github.com/romiluz13/cc10x

Made for: Claude Code.

Or install cc10x, the plugin that ships this one along with the rest of its 22 skills, 14 agents, 10 hooks.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for exploration

README.md
[![agentmods](https://agentmods.dev/badge/skills/romiluz13/cc10x/exploration/github.svg)](https://agentmods.dev/skills/romiluz13/cc10x/exploration)
Your own site
<a href="https://agentmods.dev/skills/romiluz13/cc10x/exploration"><img src="https://agentmods.dev/badge/skills/romiluz13/cc10x/exploration/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for exploration

Your own site · 80×15
<a href="https://agentmods.dev/skills/romiluz13/cc10x/exploration"><img src="https://agentmods.dev/badge/skills/romiluz13/cc10x/exploration.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 56 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,500 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Excessive Agency · line 114
    Skill allows unbounded resource consumption (API calls, storage, compute). Without rate limits or quotas, a compromised or misbehaving agent can cause denial-of-service or cost overruns.
    Fix: Set explicit rate limits, timeouts, and resource quotas for API calls, file operations, and compute. Implement circuit breakers for runaway loops.
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00056 $0.02500
Opus 5.5 $0.00022 $0.01000
Sonnet 5.5 $0.00011 $0.00500
Haiku 4.5 $0.00006 $0.00250

Measured 1mo ago against content hash 806a9b4cccc4, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

exploration scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/cc10x/skills/exploration/SKILL.md · 174 lines

How it starts

The opening of the file, as written. The whole thing — 174 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Exploration (Design + Spike)

Two modes, selected by router dispatch context: design (brainstorm a design) or spike (throwaway prototype). DESIGN includes an optional inline sub-procedure, the Doubt Pass, for high-stakes decisions — it is not a third mode.

Mode: DESIGN

Turn rough ideas into validated designs through collaborative dialogue. Understand what to build BEFORE designing how to build it. Use the user's domain language — don't invent new terminology when the repo or prompt already has a stable name.

Scope Triage (Front of Flow)

Before opening the interview, decide whether this is ONE design or MANY. A request spanning multiple independent subsystems produces a sprawling, unfocused design.

Multi-subsystem trigger: 2+ pieces that could be built, tested, and shipped independently — different surfaces, data stores, deploy targets, or pieces joined only by "and."

If multi-subsystem: emit a decomposition recommendation (independent pieces, relationships, build order), then brainstorm ONLY the first sub-project. The router carries the rest forward.

Synthesize-Now Fast Path

If goal + constraints + acceptance are ALL already evident from the prompt or context: skip the interview, draft the design directly, present for confirmation in ONE pass. Still record rejected alternatives (ADR notes). On correction, fix the named gap — don't restart the full interview.

Gate: take the fast path ONLY when all three are stated, not inferred. When in doubt, interview.

Interview (when fast path gate fails)

Cover these 5 dimensions, but only ask about dimensions that are still unresolved. Skip a question when the answer is already explicit — write the inferred answer, mention the assumption, continue.

  1. Purpose — what problem does this solve?
  2. Users — who will use this?
  3. Success — how will we know it works?
  4. Constraints — limitations, requirements, out-of-scope
  5. Scope — single module, single file, full feature, cross-cutting

Read the full file on GitHub · 174 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 174 lines · 56 tokens per session scan A 806a9b4cccc4

Subscribe to this mod's changes

exploration is a skill published in the GitHub repository romiluz13/cc10x (164 stars, last pushed 9d ago), licensed MIT. It adds 56 tokens to every session and 2,500 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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