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speck: Skill for Cursor

.cursor/skills/speck-premise-challenge/SKILL.md

speck-premise-challenge is a skill for Cursor from telum-ai/speck. It costs 29 tokens per session (303 once invoked), scanned A, original, no licence file.

A review step that questions the assumptions and value behind a planned commitment. It is intended for decisions with a significant or lasting impact.

In plain words
What is it for?
Use it before committing to an important plan, especially when new evidence challenges the original decision.
Why use it?
It can expose weak evidence or questionable value before a high-impact decision is locked in.

Skill for Cursor

Written for Cursor: installed under .cursor/.

This is telum-ai/speck's own configuration. It tells Cursor how to work on speck itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything speck configures →

not rated 2repo 2mo ago A scan 29 tokens no licence
View source ↗ telum-ai/speck
Reuse

Borrowing it

Nothing to install: this file belongs to telum-ai/speck. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/telum-ai/speck/main/.cursor/skills/speck-premise-challenge/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/telum-ai/speck

Made for: Cursor.

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 speck-premise-challenge

README.md
[![agentmods](https://agentmods.dev/badge/skills/telum-ai/speck/speck-premise-challenge/github.svg)](https://agentmods.dev/skills/telum-ai/speck/speck-premise-challenge)
Your own site
<a href="https://agentmods.dev/skills/telum-ai/speck/speck-premise-challenge"><img src="https://agentmods.dev/badge/skills/telum-ai/speck/speck-premise-challenge/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 speck-premise-challenge

Your own site · 80×15
<a href="https://agentmods.dev/skills/telum-ai/speck/speck-premise-challenge"><img src="https://agentmods.dev/badge/skills/telum-ai/speck/speck-premise-challenge.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 303 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 unknown 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 $0.00029 $0.00303
Opus 5.5 $0.00012 $0.00121
Sonnet 5.5 $0.00006 $0.00061
Haiku 4.5 $0.00003 $0.00030

Measured 2mo ago against content hash a89825b320c2, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

speck-premise-challenge 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 2mo 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.

.cursor/skills/speck-premise-challenge/SKILL.md · 21 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 2mo ago First seen · 21 lines · 29 tokens per session scan A a89825b320c2

Subscribe to this mod's changes

speck-premise-challenge is a skill published in the GitHub repository telum-ai/speck (2 stars, last pushed 2mo ago), with no licence file. It adds 29 tokens to every session and 303 once invoked, about $0.0001 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 2026-08-31.

Planning
Related

speck-premise-challenge compared with skills from other repositories

speck-premise-challenge next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
speck-premise-challengetelum-ai/speckSkill22mo agononeA29Cursor
imagegenopenai/codexSkill133kyesterdayApache-2.0A113Codex
playwright-climicrosoft/playwrightSkill99kyesterdayApache-2.0A19Claude Code
local-ai-agentsmicrosoft/ai-agents-for-beginnersSkill79k4d agoMITA200Claude Code, Codex
systematic-debuggingobra/superpowersSkill313k3d agoMITA21Claude Code
next-cache-components-adoptionvercel/next.jsSkill143ktodayMITA95Claude Code
next-partial-prefetching-adoptionvercel/next.jsSkill143ktodayMITA103Claude Code