agentmods.dev

explore-codebase

A guided method for exploring a software project through a map of its code and relationships.

In plain words
What is it for?
Use it to inspect project structure, find major modules, locate functions or classes, follow imports and callers, and identify large functions or important flows.
Why use it?
It helps you understand an unfamiliar codebase without opening files one by one. You can start with the overall structure and then trace specific modules, functions, and execution paths.

Skill for Claude CodeCodex

3 26d ago A scan 15 tokens copy · 100% MIT
View the source file MiaoY0uShan/FP
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/miaoy0ushan/fp/explore-codebase
Any agent
npx skills add MiaoY0uShan/FP --skill explore-codebase
Clone the repo
git clone --depth 1 https://github.com/MiaoY0uShan/FP

Made for: Claude Code, Codex.

Per session 15 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 284 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod 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 $0.00015 $0.00284
Opus 5 $0.00008 $0.00142
Sonnet 5 $0.00003 $0.00057
Haiku 4.5 $0.00002 $0.00028

Measured 2d ago against content hash 50ab25ff12b7, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

explore-codebase 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 2d 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.

Origin

This is a copy

100% identical to explore-codebase — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/explore-codebase/SKILL.md · 29 lines

What it actually says

Explore Codebase

Use the code-review-graph MCP tools to explore and understand the codebase.

Steps

  1. Run list_graph_stats to see overall codebase metrics.
  2. Run get_architecture_overview_tool for high-level community structure.
  3. Use list_communities_tool to find major modules, then get_community for details.
  4. Use semantic_search_nodes_tool to find specific functions or classes.
  5. Use query_graph_tool with patterns like callers_of, callees_of, imports_of to trace relationships.
  6. Use list_flows and get_flow to understand execution paths.

Tips

  • Start broad (stats, architecture) then narrow down to specific areas.
  • Use children_of on a file to see all its functions and classes.
  • Use find_large_functions to identify complex code.

Token Efficiency Rules

  • ALWAYS start with get_minimal_context(task="<your task>") before any other graph tool.
  • Use detail_level="minimal" on all calls. Only escalate to "standard" when minimal is insufficient.
  • Target: complete any review/debug/refactor task in ≤5 tool calls and ≤800 total output tokens.
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. 2d ago First seen · 29 lines · 15 tokens per session scan A 50ab25ff12b7

Subscribe to this mod's changes

explore-codebase is a skill published in the GitHub repository MiaoY0uShan/FP (3 stars, last pushed 26d ago), licensed MIT. It adds 15 tokens to every session and 284 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to explore-codebase, differing in 2 lines, and is treated as a copy.

Debuggingagent-skillsai-agentsclaude-codecodexcoding-agents
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