quaere-prospect

quaere-prospect is a skill for Claude Code, Codex from haru0416-dev/quaere. It costs 202 tokens per session (2,818 once invoked), scanned A, original, MIT.

A set of rules for finding worthwhile things to build next in a codebase or product. It requires a confirmed gap, an affected user, evidence of demand, and a small test before recommending work.

In plain words
What is it for?
Use it to investigate missing capabilities, assess product opportunities, and design small experiments that validate or reject an idea.
Why use it?
It filters out generic feature ideas that may already exist, may not matter to anyone, or have not been tested.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Claude Code; mentions Codex; mentions OpenCode.

Good fit Use it to investigate missing capabilities, assess product opportunities, and design small experiments that validate or reject an idea.

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Install with agentmods
npx agentmods add skills/haru0416-dev/quaere/quaere-prospect
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 haru0416-dev/quaere --skill quaere-prospect
Clone the repo
git clone --depth 1 https://github.com/haru0416-dev/quaere

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 quaere-prospect

README.md
[![agentmods](https://agentmods.dev/badge/skills/haru0416-dev/quaere/quaere-prospect/github.svg)](https://agentmods.dev/skills/haru0416-dev/quaere/quaere-prospect)
Your own site
<a href="https://agentmods.dev/skills/haru0416-dev/quaere/quaere-prospect"><img src="https://agentmods.dev/badge/skills/haru0416-dev/quaere/quaere-prospect/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 quaere-prospect

Your own site · 80×15
<a href="https://agentmods.dev/skills/haru0416-dev/quaere/quaere-prospect"><img src="https://agentmods.dev/badge/skills/haru0416-dev/quaere/quaere-prospect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 202 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,818 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.
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 $0.00202 $0.02818
Opus 5 $0.00101 $0.01409
Sonnet 5 $0.00040 $0.00564
Haiku 4.5 $0.00020 $0.00282

Measured 9d ago against content hash c35b7c2bc952, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

quaere-prospect 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 9d 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.

skills/extensions/quaere-prospect/SKILL.md · 167 lines

How it starts

The opening of the file, as written. The whole thing — 167 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Prospect Probe

Iron Law

No opportunity is proposed as worth building without four things named: the gap it fills (verified to actually exist in the system, not already built and not deliberately out of scope), the beneficiary and the job they are blocked on, the evidence the demand is real rather than assumed, and the smallest probe that would validate or kill it before any build. An opportunity that cannot name all four is a wishlist item, not a proposal — do not present it.

This is not a brainstorming ritual. Asked "what should I build" or "what's missing here", a model regresses toward the mean of its training distribution and emits a plausible-sounding, codebase-agnostic wishlist — add tests, add CI, add dark mode, add a dashboard, add caching — that sounds productive but is tied to no verified gap, names no beneficiary, may already exist or be out of scope, and gives no signal for what is worth building first. LLM assistance even homogenizes the directions it suggests across different users (Anderson, Shah & Kreminski 2024 — arXiv:2402.01536). The gate changes the question from does this sound like useful work to which concrete gap does this fill, who is blocked by it, and how do we know before we build. Proposing from assumption is the failure this skill exists to stop. Full method: references/gap-taxonomy.md and references/research-basis.md.

Stop now — do not present any opportunity you have not checked against the actual system (the capability may already exist, or be a deliberate non-goal); assumption is not evidence. If fewer than the gaps you surface survive the reality gate, loop back and survey more terrain — do not pad with wishlist. Full conditions: ## Stop condition.

When to use

  • The user asks what to build next, what feature / tool / product is missing, or where the opportunities are — before any problem is chosen.
  • A codebase, domain, or user context needs to be scanned for unmet jobs, friction, or underserved users.
  • The work is at risk of answering with a generic feature wishlist instead of a grounded gap.
  • The user wants to originate the work item (0→1), not solve a problem already on the table.

Read the full file on GitHub · 167 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 9d ago First seen · 167 lines · 202 tokens per session scan A c35b7c2bc952

Subscribe to this mod's changes

quaere-prospect is a skill published in the GitHub repository haru0416-dev/quaere (5 stars, last pushed 1mo ago), licensed MIT. It adds 202 tokens to every session and 2,818 once invoked, about $0.0010 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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