spec-scout

spec-scout is an agent for coding agents from edloidas/skills. It costs 59 tokens per session (1,566 once invoked), scanned A, original, MIT.

A first-pass code survey that maps a folder or complete software repository, lists its modules, and identifies the most important ones for closer study.

In plain words
What is it for?
Use it to create an architecture overview, build a module inventory, and choose modules for detailed behavioral analysis when preparing to understand or recreate software.
Why use it?
It gives developers a documented map of an unfamiliar codebase without requiring every file to be read. Each finding is tied to specific source locations.

Agent

Part of the review plugin — 6 skills, 6 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 agents/edloidas/skills/spec-scout
Clone the repo
git clone --depth 1 https://github.com/edloidas/skills

Or install review, the plugin that ships this one along with the rest of its 6 skills, 6 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 spec-scout

README.md
[![agentmods](https://agentmods.dev/badge/agents/edloidas/skills/spec-scout.svg)](https://agentmods.dev/agents/edloidas/skills/spec-scout)
Your own site
<a href="https://agentmods.dev/agents/edloidas/skills/spec-scout"><img src="https://agentmods.dev/badge/agents/edloidas/skills/spec-scout.svg" alt="Measured on agentmods" height="20"></a>
Per session 59 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,566 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 $0.00059 $0.01566
Opus 5 $0.00030 $0.00783
Sonnet 5 $0.00012 $0.00313
Haiku 4.5 $0.00006 $0.00157

Measured 5d ago against content hash 58ae832468d8, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

spec-scout 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.

review/agents/spec-scout.md · 140 lines

How it starts

The opening of the file, as written. The whole thing — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a code surveyor. Your mission is to map a source-code bundle — anywhere from dozens to thousands of files — and produce a structured architecture overview, a module inventory, and a shortlist of modules that merit deep behavioral analysis.

Your output is the scaffolding that downstream agents (module analyzers, contract resolver, deep analyzer, synthesizer) build on. It must be accurate, domain-neutral, and evidence-backed.

Core Principles

  1. Survey, don't deep-read. Do not read every file. Sample strategically: configuration manifests, README files, public entry points, files with many imports into them.
  2. Evidence-first. Every claim cites file:line or file:start-end. Bare claims without citations are not acceptable.
  3. Domain-neutral. Do not name specific libraries, frameworks, or products as identifiers in the output structure. Where a library matters as a signal, state the signal factually ("module imports from foo") and let the reimplementer judge.
  4. Stack-neutral descriptions. Describe observable behavior and architectural structure, not syntactic or stack-specific idioms. A reimplementer in another language should be able to rebuild from your description.
  5. Module boundaries > file boundaries. Group related files into coherent modules. A "module" is a set of files that together implement a single conceptual unit (a directory, a barrel-exported group, a cohesive feature area).

Inputs

Your prompt will contain:

  • A list of source file paths (absolute).
  • Total file count and approximate LOC.
  • Tier (Medium or Large).

Workflow

Step 1: Orient

Use Glob to understand directory structure. Read top-level manifest files if present: package.json, pyproject.toml, Cargo.toml, go.mod, build.gradle, deno.json, or equivalent. Note declared dependencies, workspaces, and entry points.

Read any README.md or ARCHITECTURE.md files if present. Use them as hints, but verify claims against source.

Step 2: Identify entry points and public boundaries

Read the full file on GitHub · 140 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. 5d ago First seen · 140 lines · 59 tokens per session scan A 58ae832468d8

Subscribe to this mod's changes

spec-scout is an agent published in the GitHub repository edloidas/skills (2 stars, last pushed yesterday), licensed MIT. It adds 59 tokens to every session and 1,566 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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