phase-execution

phase-execution is a skill for Claude Code, Codex from buriedsignals/spotlight. It costs 49 tokens per session (3,039 once invoked), scanned A, original, no licence file.

A workflow for running an investigation in repeated research cycles, with separate investigators, fact-checking, validation, editorial review, and checks for whether the work is ready.

In plain words
What is it for?
Use it to gather sources, check facts, review results, recommend monitoring, and handle stalled investigations.
Why use it?
It organizes complex research and catches unsupported or poorly presented findings before completion.

Skill for Claude CodeCodex

Part of the spotlight plugin — 25 skills, 2 agents shipped together

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/buriedsignals/spotlight/phase-execution
Any agent
npx skills add buriedsignals/spotlight --skill phase-execution
Clone the repo
git clone --depth 1 https://github.com/buriedsignals/spotlight

Made for: Claude Code, Codex.

Or install spotlight, the plugin that ships this one along with the rest of its 25 skills, 2 agents.

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 phase-execution

README.md
[![agentmods](https://agentmods.dev/badge/skills/buriedsignals/spotlight/phase-execution.svg)](https://agentmods.dev/skills/buriedsignals/spotlight/phase-execution)
Your own site
<a href="https://agentmods.dev/skills/buriedsignals/spotlight/phase-execution"><img src="https://agentmods.dev/badge/skills/buriedsignals/spotlight/phase-execution.svg" alt="Measured on agentmods" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,039 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00049 $0.03039
Opus 5 $0.00024 $0.01520
Sonnet 5 $0.00010 $0.00608
Haiku 4.5 $0.00005 $0.00304

Measured 5d ago against content hash 6e85fac9c5e0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

phase-execution 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 5d 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/spotlight/skills/phase-execution/SKILL.md · 312 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

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. 5d ago First seen · 312 lines · 49 tokens per session scan A 6e85fac9c5e0

Subscribe to this mod's changes

phase-execution is a skill published in the GitHub repository buriedsignals/spotlight (39 stars, last pushed yesterday), with no licence file. It adds 49 tokens to every session and 3,039 once invoked, about $0.0002 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 2026-08-30.

Related

Other skills, from other repositories

source-verification

Walks through structured verification of sources, claims, images, video, and documents across five verification modes — visual media, documents, anonymous sources, expert credentials, and social media content — using the SIFT framework, forensic metadata inspection, deepfake indicators, C2PA Content Credentials, and…

ur-grue/autopunk-media-skills · 82 tokens

fact-check-prompt

Generates a systematic fact-checking checklist from a draft article, categorizing every verifiable claim by type and priority, with the specific verification question, recommended source type, and appropriate verification strategy for each — across six distinct claim categories with tailored methodologies.

ur-grue/autopunk-media-skills · 55 tokens

ethics-review-checklist

Generate a story-specific editorial ethics checklist: consent verification, harm assessment, source protection, vulnerable-subject protocols, conflict-of-interest flags, and public interest justification — tailored to the story's specific risks.

ur-grue/autopunk-media-skills · 46 tokens

osint-tool-catalog

Produces a categorised catalog of open-source intelligence tools relevant to a journalist's investigation, with practical guidance on what each tool does, when to use it, and what its limitations are.

ur-grue/autopunk-media-skills · 43 tokens

source-credibility-brief

Assesses the credibility of a source whose claims appear in a draft — expertise, track record, conflicts of interest, and the corroboration needed before publication.

ur-grue/autopunk-media-skills · 38 tokens

statistics-fact-checker

Analyzes statistics used in a draft article and flags any that are misrepresented, lack context, use misleading framing, or require additional sourcing before publication.

ur-grue/autopunk-media-skills · 36 tokens