codebase-glossary-builder

A tool that reads a codebase and its documentation to create a dictionary of the terms used by the business and the software. It explains acronyms, entities, status names, and words that can have several meanings.

In plain words
What is it for?
Use it when onboarding engineers or documenting a domain-heavy codebase, such as software for finance, healthcare, logistics, or advertising. It produces a glossary with definitions, context, code references, and warnings about confusing terms.
Why use it?
It reduces confusion when engineers, product teams, and code use different words for the same idea or use the same word in different ways.

Skill for Claude CodeCodex

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/codebygarv/ai-skills/codebase-glossary-builder
Any agent
npx skills add codebygarv/Ai-skills --skill codebase-glossary-builder
Clone the repo
git clone --depth 1 https://github.com/codebygarv/Ai-skills

Made for: Claude Code, Codex.

Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 363 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 $0.00025 $0.00363
Opus 5 $0.00013 $0.00181
Sonnet 5 $0.00005 $0.00073
Haiku 4.5 $0.00003 $0.00036

Measured 2d ago against content hash dd7ffa82aacf, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

codebase-glossary-builder 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.

skills/documentation/codebase-glossary-builder/SKILL.md · 34 lines

What it actually says

Purpose

Scan a codebase and documentation to compile a structured Domain Glossary / Ubiquitous Language dictionary, resolving ambiguity around internal acronyms, overloaded terms, and domain entities.

When to Use

  • Onboarding new engineers to a domain-dense codebase (e.g. Fintech, Healthcare, Logistics, AdTech).
  • Resolving naming confusion where different teams use different words for the same concept.
  • Aligning engineering naming directly with product and business definitions.

What to Analyze

  1. Domain Entities: Key nouns used in database models and APIs (e.g. Tenancy, LedgerEntry, Claim).
  2. Internal Acronyms: Decoding company or industry jargon (e.g. MRR, ACH, KYC, EOD).
  3. Overloaded / Confusing Terms: Words with multiple meanings (e.g. "User" vs "Customer" vs "Subscriber").
  4. Lifecycle States: Definitions of status terms (e.g. what distinguishes Voided from Canceled).
  5. Code References: Linking each term to primary source files/interfaces where it is implemented.

Output Format

  • Alphabetical Glossary Table: Term, Domain Context, Official Definition, Code Mapping.
  • Disambiguation Warnings: Highlighting frequently confused terms.
  • Deprecated Terms: Legacy terms that should no longer be used in new code.

Avoid

  • Defining generic programming terms (e.g., "Function", "Array").
  • Leaving definitions vague without mapping them to concrete codebase models.
Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 34 lines · 25 tokens per session scan A dd7ffa82aacf

Subscribe to this mod's changes

codebase-glossary-builder is a skill published in the GitHub repository codebygarv/Ai-skills (24 stars, last pushed 13d ago), licensed MIT. It adds 25 tokens to every session and 363 once invoked, about $0.0001 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.

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