prospec-explore

prospec-explore is a skill for Claude Code, Codex from benwu95/prospec. It costs 50 tokens per session (1,169 once invoked), scanned A, original, MIT.

A guided thinking partner for clarifying requirements, investigating problems, and comparing possible solutions.

In plain words
What is it for?
Use it to explore why a problem matters, what needs to change, and where the change belongs, then narrow the discussion into next steps.
Why use it?
It helps when a request is vague or several approaches seem possible, by organizing the questions before work begins.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/benwu95/prospec/prospec-explore
Any agent
npx skills add benwu95/prospec --skill prospec-explore
Clone the repo
git clone --depth 1 https://github.com/benwu95/prospec

Made for: Claude Code, Codex.

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 prospec-explore

README.md
[![agentmods](https://agentmods.dev/badge/skills/benwu95/prospec/prospec-explore.svg)](https://agentmods.dev/skills/benwu95/prospec/prospec-explore)
Your own site
<a href="https://agentmods.dev/skills/benwu95/prospec/prospec-explore"><img src="https://agentmods.dev/badge/skills/benwu95/prospec/prospec-explore.svg" alt="Measured on agentmods" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,169 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00050 $0.01169
Opus 5 $0.00025 $0.00584
Sonnet 5 $0.00010 $0.00234
Haiku 4.5 $0.00005 $0.00117

Measured 3d ago against content hash d8abd00173f2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

prospec-explore 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 3d 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.

.agents/skills/prospec-explore/SKILL.md · 123 lines

How it starts

The opening of the file, as written. The whole thing — 123 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Prospec Explore Skill

Activation

When triggered, briefly describe:

  • What exploration mode does (thinking partner for clarifying requirements)
  • The three-space framework you'll use (Why/What/Where)
  • When you'll suggest converging to next steps

CLI Prerequisite (required)

The prospec CLI is a required file for this skill — its deterministic steps call prospec commands. Probe BEFORE any other step; there is no manual fallback.

  1. Run prospec --version (Bash).
  2. Command not found / not executable → STOP. Ask the user to install the prospec standalone executable — the one-click installer script from the project README (macOS/Linux install.sh, Windows install.ps1) or a release binary from GitHub Releases; prospec is NOT published to npm. Then re-run this skill.
  3. Version older than 1.0.0 → STOP. Report the installed vs required version and ask the user to upgrade, then re-run this skill.

Hand-executing a CLI-owned mutation is NEVER the fallback — that re-introduces the nondeterministic serialization this contract exists to remove.

Startup Loading

  1. [STABLE] Read prospec/CONSTITUTION.md — understand project principles
  2. [DYNAMIC] Read prospec/index.md — understand existing modules

Three-Space Exploration Framework

Expand each space sequentially:

1. Problem Space (Why)

  • What problem does this requirement solve?
  • Who is affected?
  • What happens if we don't do it?

2. Solution Space (What)

  • What are the possible approaches?
  • What are the trade-offs of each?
  • Which approach best aligns with the Constitution?

3. Impact Space (Where)

  • Based on prospec/index.md, which modules are affected?
  • Does it require API or data structure changes?
  • Backward compatibility considerations?

Constitution Checkpoint

At each key decision point, proactively compare against the Constitution:

Constitution Check:
  [Principle X]: How this approach aligns
  [Principle Y]: Points requiring attention
  [Principle Z]: Potential violation — suggest adjustment

Read the full file on GitHub · 123 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. 3d ago First seen · 123 lines · 50 tokens per session scan A d8abd00173f2

Subscribe to this mod's changes

prospec-explore is a skill published in the GitHub repository benwu95/prospec (5 stars, last pushed 4d ago), licensed MIT. It adds 50 tokens to every session and 1,169 once invoked, about $0.0003 per session on Opus 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 2026-08-31.

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