What is deeptracer-js CLAUDE.md?

Project instructions for DeepTracer, a JavaScript and TypeScript software kit for logs, errors, distributed tracing, and tracking language-model use. A monorepo is one repository containing several related packages, which these instructions map out.

Use them to navigate the package structure, build packages in dependency order, run tests, measure test coverage, and check types.

They explain how the packages depend on one another and which commands build, test, clean, or type-check them, reducing mistakes when working across the repository.

How getdeeptracer/deeptracer-js configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to getdeeptracer/deeptracer-js. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/getdeeptracer/deeptracer-js/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/getdeeptracer/deeptracer-js

Made for: Claude Code.

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/getdeeptracer/deeptracer-js/claude-md/github.svg)](https://agentmods.dev/instructions/getdeeptracer/deeptracer-js/claude-md)

Your own site

<a href="https://agentmods.dev/instructions/getdeeptracer/deeptracer-js/claude-md"><img src="https://agentmods.dev/badge/instructions/getdeeptracer/deeptracer-js/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/getdeeptracer/deeptracer-js/claude-md"><img src="https://agentmods.dev/badge/instructions/getdeeptracer/deeptracer-js/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 1,128 This file is loaded in full into every session.

When invoked 1,128 The same file — it is already loaded in full.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

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.

Model	Per session	Once invoked
Fable 5.1	$0.01128	$0.01128
Opus 5.5	$0.00451	$0.00451
Sonnet 5.5	$0.00226	$0.00226
Haiku 4.5	$0.00113	$0.00113

Measured 2mo ago against content hash a1b8b8bc7f3b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

deeptracer-js CLAUDE.md 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 2mo 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.

CLAUDE.md · 107 lines

How it starts

The opening of the file, as written. The whole thing — 107 lines — stays where its author put it; the contents beside it link to each section on GitHub.

DeepTracer JavaScript SDK

AI-first observability SDK for JavaScript/TypeScript. Structured logging, error tracking, distributed tracing, and LLM usage monitoring.

Monorepo Structure

packages/
  core/       — Zero-dependency shared core: Logger, transport, batcher, tracing, types
  node/       — Node.js/Bun: global error capture, console capture, Hono & Express middleware
  ai/         — AI SDK wrappers: Vercel AI SDK, OpenAI, Anthropic
  browser/    — Browser: window error capture, console capture
  react/      — React: provider, error boundary, hooks
  nextjs/     — Next.js: one-file server + client instrumentation

Dependency Graph

core (zero dependencies)
 ├── node    (depends on core)
 ├── ai      (depends on core)
 └── browser (depends on core)
      └── react   (depends on browser)
           └── nextjs (depends on node + react)

Commands

npm run build          # Build all packages (in dependency order)
npm run clean          # Remove all dist/ folders
npm test               # Run all tests (once)
npm run test:watch     # Run tests in watch mode
npm run test:coverage  # Run tests with coverage report
npm run typecheck      # Type-check all packages
npm run lint           # ESLint across all packages
npm run format:check   # Prettier format check
npm run format         # Prettier auto-fix
npm run size           # Check bundle size budgets

Testing

Runner: Vitest (v4) with workspace projects
Test location: packages/*/src/__tests__/*.test.ts (co-located with source)
Run single package: npx vitest run --project core
Coverage: V8 provider via npm run test:coverage, reports in ./coverage/
Mocking: Mock globalThis.fetch for transport tests, vi.useFakeTimers() for batcher tests

Build System

Bundler: tsup (esbuild-based)
Output: ESM + CJS + .d.ts for every package
Target: ES2022
Build order: core → node, ai, browser (parallel) → react → nextjs

Conventions

Read the full file on GitHub · 107 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.

2mo ago First seen · 107 lines · 1,128 tokens per session scan A a1b8b8bc7f3b

Subscribe to this mod's changes

deeptracer-js CLAUDE.md is an instructions file published in the GitHub repository getdeeptracer/deeptracer-js (5 stars, last pushed 5mo ago), licensed MIT. It adds 1,128 tokens to every session, about $0.0045 per session on Opus 5.5. 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.

Analytics and metrics ai ai-agents logging

deeptracer-js CLAUDE.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
deeptracer-js CLAUDE.mdgetdeeptracer/deeptracer-js	Instructions file	5	5mo ago	MIT	A	1,128	Claude Code
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next.js AGENTS.mdvercel/next.js	Instructions file	143k	yesterday	MIT	A	7,461	Codex, OpenCode
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deeptracer-js: Instructions file for Claude Code