Codebase Knowledge Graph Q&A
Egonex-AI/Understand-Anything
Answers questions about a codebase by searching a prebuilt knowledge graph of its files, functions, classes and dependencies, not by rereading every source file.
Navigate a codebase by map instead of reading files wholesale — a deterministic stdlib script that emits the tree with line counts and top-level symbols, plus the read-the-map-first discipline that…
Install Repo Map
$ npx skills add mohitagw15856/pm-claude-skills --skill repo-map -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install mohitagw15856/pm-claude-skills repo-map --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/repo-map .claude/skills/repo-map && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "repo-map" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/repo-map into .claude/skills/repo-map/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "repo-map", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/repo-mapType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add mohitagw15856/pm-claude-skills --skill repo-map -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install mohitagw15856/pm-claude-skills repo-map --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/repo-map .agents/skills/repo-map && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "repo-map" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/repo-map into .agents/skills/repo-map/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "repo-map", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mohitagw15856/pm-claude-skills --skill repo-map -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install mohitagw15856/pm-claude-skills repo-map --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/repo-map .cursor/skills/repo-map && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "repo-map" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/repo-map into .cursor/skills/repo-map/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "repo-map", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/mohitagw15856/pm-claude-skills.git --path skills/repo-map--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add mohitagw15856/pm-claude-skills --skill repo-map -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install mohitagw15856/pm-claude-skills repo-map --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/repo-map .gemini/skills/repo-map && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "repo-map" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/repo-map into .gemini/skills/repo-map/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "repo-map", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install mohitagw15856/pm-claude-skills repo-mapInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add mohitagw15856/pm-claude-skills --skill repo-map -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/repo-map .github/skills/repo-map && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "repo-map" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/repo-map into .github/skills/repo-map/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "repo-map", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mohitagw15856/pm-claude-skills --skill repo-map -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install mohitagw15856/pm-claude-skills repo-map --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/repo-map .opencode/skills/repo-map && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "repo-map" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/repo-map into .opencode/skills/repo-map/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "repo-map", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
repo-map- GitHub stars
- 1.4k
- Token cost
- ~1.4k tokens
- SKILL.md length
- 716 words
- Files
- 2 (incl. scripts)
- Skills in repo
- 1,348
- Repo updated
- First seen
- Licence
- MIT
At a glance
Navigate a codebase by map instead of reading files wholesale — a deterministic stdlib script that emits the tree with line counts and top-level symbols, plus the read-the-map-first discipline that…
- Works in 5 steps: Map before open, every exploration: the… → Open by match, not by curiosity: files… → The map is cache-friendly context:… → …
- Asked explore this repo efficiently
- SKILL.md covers What This Skill Produces, Required Inputs, Programmatic Helper and Framework: The Navigation…, plus 6 more sections
- Runs Python scripts from its folder; calls python3
What it does
Repo Map is an agent skill from mohitagw15856/pm-claude-skills. Navigate a codebase by map instead of reading files wholesale — a deterministic stdlib script that emits the tree with line counts and top-level symbols, plus the read-the-map-first discipline that cuts exploration tokens by an order of magnitude. Use when asked explore this repo efficiently, stop re-reading the whole codebase, make a map of this project, or which files should the agent actually open. Produces the compact map with its token math (map vs. everything), the navigation discipline, and the…
Its SKILL.md is about 1.4k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including scripts (for example `scripts/repo_map.py`).
It sits in Development, covering Codebase onboarding. The repository describes itself as: 1255 professional Agent Skills for Claude, ChatGPT, Gemini, Cursor & Codex — PRDs, postmortems, leases, medical bills, layoffs, go-bags, new countries. Plain markdown, MIT, in… The licence is MIT.
When your agent uses it
- Asked explore this repo efficiently
- Stop re-reading the whole codebase
- Make a map of this project
- Which files should the agent actually open
Example prompts
- “/repo-map”
Requirements
- Python 3
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- Map before open, every exploration: the first act in an unfamiliar repo is the map, not a file read — one ~3%-cost artifact answers…
- Open by match, not by curiosity: files get opened when their name or symbols match the task ("refund appears in billing/refunds.py →…
- The map is cache-friendly context: stable, deterministic output means the map can sit at the top of a session and stay byte-identical…
- Depth on demand: map → open the shortlisted file → if still lost, map the subdirectory deeper. Escalation is cheap because every level is…
- Honest limits: regex symbols miss dynamic definitions, decorators' effects, and call graphs — for "who calls this," the map shortlists…
What it can do on your machine
Read from SKILL.md and the folder at commit 1cbf1f0. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Ships 1 file in scripts/ (Python), which the agent can run.
Shell commands in SKILL.md call:
python3
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
github.com
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Repo Map loads about 1.4k tokens when it runs. Until then it costs about 136 tokens; SKILL.md has 716 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.
SKILL.md
The full file from mohitagw15856/pm-claude-skills at commit 1cbf1f0, republished under its MIT licence (© mohitagw15856). 716 words, ~1,379 tokens.
Download SKILL.mdSave it as
.claude/skills/repo-map/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- repo-map
- description
- Navigate a codebase by map instead of reading files wholesale — a deterministic stdlib script that emits the tree with line counts and top-level symbols, plus the read-the-map-first discipline that cuts exploration tokens by an order of magnitude. Use when asked explore this repo efficiently, stop re-reading the whole codebase, make a map of this project, or which files should the agent actually open. Produces the compact map with its token math (map vs. everything), the navigation discipline, and the open-only-what-matches rule.
Repo Map Skill
Agents burn their context windows on exploration: reading ten files to find the one, re-reading them next session, paying full price for code that was only ever navigation. The fix is the oldest one in computing — an index. This skill generates a compact, deterministic map (tree + line counts + top-level symbols via regex, no parser dependencies, nothing leaves the machine) and installs the discipline that makes it pay: read the map first, open only the files whose names and symbols match the task. The script prints its own economics: a typical map costs ~3% of reading everything.
What This Skill Produces
- The map — tree with per-file line counts and top-level symbols (functions, classes, types) for ~10 common languages
- The token math — reading-everything vs. reading-the-map, printed in the header
- The navigation plan — for the task at hand: which files the map says to open, which to skip
- The refresh rule — when the map is stale and what it costs to regenerate (nothing — it's local and instant)
Required Inputs
Ask for these if not provided:
- The directory — repo root or the subdirectory that matters (mapping
src/beats mappingnode_modules' ancestors) - The task — the map is generic; the navigation plan needs to know what's being hunted (a bug in auth? the payment flow? where X is defined?)
- Scale expectations — huge monorepos get mapped per-subdirectory (
--max-filesguards the map's own size; a 40,000-file map defeats itself)
Programmatic Helper
python3 scripts/repo_map.py .
python3 scripts/repo_map.py src --max-files 400 --max-symbols 8Deterministic (sorted walk), stdlib-only, local. Skips .git, node_modules, build dirs. Symbols via per-language regex — deliberately humble: top-level names, not a full graph; the point is navigation, not analysis. Header prints files, lines, and the map-vs-everything token comparison.
Framework: The Navigation Discipline
- Map before open, every exploration: the first act in an unfamiliar repo is the map, not a file read — one ~3%-cost artifact answers "what's here, what's it called, where would X live" for the whole session.
- Open by match, not by curiosity: files get opened when their name or symbols match the task ("
refundappears inbilling/refunds.py → process_refund, RefundPolicy") — the map converts "read around and see" into a shortlist, and the shortlist is the saving. - The map is cache-friendly context: stable, deterministic output means the map can sit at the top of a session and stay byte-identical across turns — unlike raw file reads, it never invalidates a provider prefix cache by reordering.
- Depth on demand: map → open the shortlisted file → if still lost, map the subdirectory deeper. Escalation is cheap because every level is local and instant; what's expensive is skipping the levels and reading wholesale.
- Honest limits: regex symbols miss dynamic definitions, decorators' effects, and call graphs — for "who calls this," the map shortlists candidates and grep finishes the job. The map is the index, not the analysis; tools that build true graphs exist for the deep version (see Based On).
Show full SKILL.md (242 more words)Show less
Output Format
Repo Map: [path] — [N] files, map ≈ [X]% of reading everything
[The script's map output]
Navigation Plan (for: [the task])
Open: [the shortlist, with the matching symbol/name per file] Skip: [the big directories the task doesn't touch] If not found: [the grep to run next, on the shortlist first]
Quality Checks
- The map was generated before any wholesale file reading
- The token comparison (map vs. everything) appears
- The navigation plan shortlists by name/symbol match with reasons
- Monorepos were mapped per-subdirectory, not defeated by their own size
- The regex-symbols limitation is stated when the task is call-graph-shaped
Anti-Patterns
- Do not read files to find out what's in them — that's the map's job at 3% of the price
- Do not regenerate the map every turn — it's stable; put it once at the session's top
- Do not oversell the symbols — top-level names, not semantics; grep and real parsers pick up where regex stops
- Do not map the world —
--max-filesand subdirectory scoping exist because a bloated map is just a slower file dump - Do not skip the navigation plan — a map without a shortlist saved nothing yet
Based On
The codebase-as-index pattern — local knowledge graphs for agent navigation (as in Graphify, which does the full tree-sitter graph version) — distilled here into a zero-dependency, deterministic map with the read-the-map-first discipline.
Example Trigger Phrases
- "Explore this repo efficiently."
- "Stop re-reading the whole codebase."
- "Make a map of this project."
- "Which files should the agent actually open?"
© mohitagw15856, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 1 other file (scripts) in skills/repo-map of mohitagw15856/pm-claude-skills.
- SKILL.md
- scripts/repo_map.py
Open the folder on GitHubat commit 1cbf1f0
Compare with similar skills
Repo Map next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Repo Map this skillmohitagw15856/pm-claude-skills | 1.4k | — | ~1.4k | Automated safety check: Pass | MIT | |
| Codebase Knowledge Graph Q&AEgonex-AI/Understand-Anything | 86k | — | ~1.2k | Automated safety check: Pass | MIT | |
| Understand ExplainEgonex-AI/Understand-Anything | 86k | — | ~1.3k | Automated safety check: Pass | MIT | |
| Project Onboarding Guide from Knowledge GraphEgonex-AI/Understand-Anything | 86k | — | ~1.2k | Automated safety check: Pass | MIT | |
| GitDiagram Repository Overviewahmedkhaleel2004/gitdiagram | 18k | — | ~427 | Automated safety check: Pass | MIT | |
| Deepwiki Rssopaco/deepwiki-rs | 3.1k | — | ~748 | Automated safety check: Pass | MIT |
Similar skills
Understand Explain
Egonex-AI/Understand-Anything
Gives an in-depth explanation of one file, function or module by reading the project's knowledge graph and checking that the graph is still fresh.
Project Onboarding Guide from Knowledge Graph
Egonex-AI/Understand-Anything
Writes an onboarding guide for new team members from a project's existing knowledge graph, after checking that the graph still matches the current commit.
GitDiagram Repository Overview
ahmedkhaleel2004/gitdiagram
Explains the architecture of a public GitHub repository through GitDiagram: how the code is organized, the main components with paths, and a Mermaid diagram.
Deepwiki Rs
sopaco/deepwiki-rs
AI-powered Rust documentation generation engine for comprehensive codebase analysis, C4 architecture diagrams, and automated technical documentation.
Explore Codebase with Graph
tirth8205/code-review-graph
Navigates a codebase through the code-review-graph MCP tools: architecture overview, symbol search, caller and callee tracing, flows and oversized functions.
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Related
Categories
Questions about Repo Map
What does Repo Map do?
Navigate a codebase by map instead of reading files wholesale — a deterministic stdlib script that emits the tree with line counts and top-level symbols, plus the read-the-map-first discipline that…. Repo Map is an agent skill from mohitagw15856/pm-claude-skills. Navigate a codebase by map instead of reading files wholesale — a deterministic stdlib script that emits the tree with line counts and top-level symbols, plus the read-the-map-first discipline that cuts exploration tokens by an order of magnitude.
When should I use Repo Map?
Repo Map fits situations like: asked explore this repo efficiently; stop re-reading the whole codebase; make a map of this project; which files should the agent actually open.
How do I install Repo Map in Claude Code?
Run `npx skills add mohitagw15856/pm-claude-skills --skill repo-map -a claude-code`. Or copy the skill folder (skills/repo-map in mohitagw15856/pm-claude-skills) into .claude/skills/repo-map in your project. Claude Code loads it when a task matches its description.
How do I install Repo Map in Codex?
Run `npx skills add mohitagw15856/pm-claude-skills --skill repo-map -a codex`. Or copy the skill folder (skills/repo-map in mohitagw15856/pm-claude-skills) into .agents/skills/repo-map in your project. Codex loads it when a task matches its description.
Can I use Repo Map in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mohitagw15856/pm-claude-skills --skill repo-map -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/repo-map, .gemini/skills/repo-map, .github/skills/repo-map and .opencode/skills/repo-map in your project.
What does Repo Map need to run?
Going by SKILL.md and its folder, Repo Map needs Python for the scripts in its folder and the command-line tools its instructions call (python3). Our summary lists: Python 3.
Does Repo Map access the network?
SKILL.md names 1 domain. As links in the text: github.com. This is read from the text; nothing was executed.
Is Repo Map safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Repo Map use?
Repo Map is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Repo Map use?
About 1.4k tokens (SKILL.md is roughly 5.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Repo Map?
Skills that share tags, products or a category with Repo Map: Codebase Knowledge Graph Q&A (Egonex-AI/Understand-Anything, 86k stars), Understand Explain (Egonex-AI/Understand-Anything, 86k stars), Project Onboarding Guide from Knowledge Graph (Egonex-AI/Understand-Anything, 86k stars) and GitDiagram Repository Overview (ahmedkhaleel2004/gitdiagram, 18k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Repo Map?
mohitagw15856 (a GitHub user) maintains it in mohitagw15856/pm-claude-skills, which has 1,434 GitHub stars. The repository holds 1,348 skills in this directory. The repository was last updated on October 9, 2026.
Source: mohitagw15856/pm-claude-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.