Borrowing it
Nothing to install: this file belongs to Wintyx57/x402-backend. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/Wintyx57/x402-backend/main/CLAUDE.mdgit clone --depth 1 https://github.com/Wintyx57/x402-backendWrote 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.
[](https://agentmods.dev/instructions/wintyx57/x402-backend/claude-md)<a href="https://agentmods.dev/instructions/wintyx57/x402-backend/claude-md"><img src="https://agentmods.dev/badge/instructions/wintyx57/x402-backend/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.
<a href="https://agentmods.dev/instructions/wintyx57/x402-backend/claude-md"><img src="https://agentmods.dev/badge/instructions/wintyx57/x402-backend/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.14796 | $0.14796 |
| Opus 5 | $0.07398 | $0.07398 |
| Sonnet 5 | $0.02959 | $0.02959 |
| Haiku 4.5 | $0.01480 | $0.01480 |
Grade A, and why
x402-backend 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 9d 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.
How it starts
The opening of the file, as written. The whole thing — 711 lines — stays where its author put it; the contents beside it link to each section on GitHub.
x402 Bazaar - Contexte pour Claude
PLAN DE ROUTE — Phase 1 "Developer Obsession" (Mis a jour: 13/03/2026 — PHASE 1-3 COMPLETE + Polygon Integration + ERC-8004 + Service Status Pipeline + MCP v2.4.1)
Vue d'ensemble
Phase 1: Developer Obsession (Mois 1-2) — COMPLETE
├── [x] Milestone 1: CLI "One-Line Install" (npx x402-bazaar init)
│ ├── [x] 1.1 Structure du package CLI (x402-bazaar-cli/)
│ ├── [x] 1.2 Detection d'environnement (Claude Desktop, Cursor, VS Code, generic)
│ ├── [x] 1.3 Flow interactif (prompts wallet, network, budget)
│ ├── [x] 1.4 Generateur de config MCP (merge avec config existante)
│ ├── [x] 1.5 Verification de connexion (status command)
│ ├── [x] 1.6 Mode "wallet existant" vs "read-only"
│ ├── [x] 1.7 Tests Windows (status, help, version, init --help, npm pack)
│ ├── [x] 1.8 .gitignore, README.md, LICENSE, package.json pour npm
│ └── [x] 1.9 Publication npm — PUBLIE: [email protected] sur npmjs.com (09/02/2026)
│
├── [x] Milestone 1b: Integration CLI sur le site web (x402bazaar.org)
│ ├── [x] 1b.1 Home: one-liner `npx x402-bazaar init` dans le hero (click to copy)
│ ├── [x] 1b.2 MCP: refonte Installation (Quick Install CLI + manual en accordion)
│ ├── [x] 1b.3 Integrate: Get Started restructure (CLI primary + manual fallback)
│ ├── [x] 1b.4 Developers: bandeau CLI quick start en haut de page
│ ├── [x] 1b.5 Traductions EN+FR pour toutes les nouvelles cles
│ └── [x] 1b.6 Push + deploy Vercel (commit bd67cc0, 09/02/2026)
│
├── [x] Milestone 2: Config Generator (Web + CLI) — COMPLET 12/02/2026
│ ├── [x] 2.1 CLI: commande `npx x402-bazaar config` (FAIT dans Milestone 1)
│ ├── [x] 2.2 Web: page /config dans le frontend React
│ ├── [x] 2.3 Formulaire interactif + preview JSON temps reel
│ ├── [x] 2.4 Bouton copier + detection OS automatique
│ └── [x] 2.5 Lien dans la navbar du site
│
├── [x] Milestone 3: Wrappers API x402 (bootstrapper la marketplace)
│ ├── [x] 3.1 Template de base pour wrapper x402
│ ├── [x] 3.2 Wrapper Web Search (DuckDuckGo, /api/search)
│ ├── [x] 3.3 Wrapper Twitter/X (fxtwitter, /api/twitter)
│ ├── [x] 3.4 Enregistrer les wrappers sur la marketplace (seed-wrappers.js)
│ ├── [x] 3.5 Doc: "Comment creer votre propre wrapper"
│ ├── [x] 3.6 Wrapper Universal Scraper (/api/scrape)
│ ├── [x] 3.7 Wrappers Weather, Crypto, Joke (/api/weather, /api/crypto, /api/joke)
│ └── [x] 3.8 Badge "x402 Native" sur le frontend + compteur Live APIs
│
├── [x] Milestone 3b: Holy Trinity + Wrappers avances — COMPLET 12/02/2026
│ ├── [x] 3b.1 Twitter Search: /api/twitter?search=keyword (DuckDuckGo site:twitter.com)
│ ├── [x] 3b.2 Image Generation: /api/image?prompt=... via DALL-E 3 reel (0.05 USDC)
│ ├── [x] 3b.3 8 nouveaux wrappers: translate, summarize, code, dns, qrcode-gen, readability, sentiment, validate-email
│ ├── [x] 3b.4 Total: 41 endpoints natifs enregistres dans Supabase (seed-wrappers.js)
│ └── [x] 3b.5 Mettre a jour route GET / avec la liste complete
│
├── [x] Milestone 4: Refonte /docs — Page documentation centralisee — COMPLET 12/02/2026
│ ├── [x] 4.1 Page /docs avec navigation laterale (DocsSidebar sticky + scroll-spy)
│ ├── [x] 4.2 7 sections (Quickstart, Protocol, API Reference, Native Wrappers, MCP, Integration, Security)
│ ├── [x] 4.3 Code examples interactifs (CopyButton + CodeBlock)
│ ├── [x] 4.4 Section Quickstart (5 min to first call) avec badge vert
│ └── [x] 4.5 API Reference auto-fetchee depuis GET / (fallback statique)
│
├── [x] Milestone 4b: UX/UI & Trust Layer — COMPLET 12/02/2026
│ ├── [x] 4b.1 Badges enrichis: "x402 Native", "Last active: Xh ago" sur ServiceCard
│ ├── [x] 4b.2 Health check services: ping URLs, badge Online/Offline
│ ├── [x] 4b.3 Filtres avances: filtre chain (Base/SKALE/Polygon), slider prix max
│ ├── [x] 4b.4 Dashboard admin: page /dashboard avec stats, balance, activity feed (backend only)
│ ├── [x] 4b.5 Galerie demos agents: page /demos (code + video embed)
│ └── [x] 4b.6 Page FAQ: section FAQ couvrant tx fail, listing, testnet, gas
│
├── [x] Milestone 5: Marketing "Carte de credit illimitee" — COMPLET 12/02/2026
│ ├── [x] 5.1 Landing page value proposition (4 cartes) + social proof sur Home.jsx
│ ├── [x] 5.2 Video demo script (3 min, 6 scenes) — x402-marketing/video-script.md
│ ├── [x] 5.3 Thread Twitter/X (12 tweets) — x402-marketing/twitter-thread.md
│ ├── [x] 5.4 Post Hacker News + Reddit — x402-marketing/hn-post.md + reddit-post.md
│ └── [x] 5.5 DoraHacks submission — x402-marketing/dorahacks-submission.md
│
└── [x] Milestone 6: Ecosysteme & Integrations — COMPLET 12/02/2026
├── [x] 6.1 Package LangChain: x402-langchain v0.1.0 sur GitHub (Wintyx57/x402-langchain)
├── [x] 6.2 Guide LangChain dans Integrate.jsx (CodeBlock + badge pip + lien GitHub)
├── [x] 6.3 Section securite visible sur About.jsx (6 features securite)
├── [x] 6.4 Backend refactoring en modules (routes/, lib/)
├── [x] 6.5 SEO complet (sitemap.xml, robots.txt, useSEO hook, JSON-LD, Google Search Console)
├── [x] 6.6 79 tests e2e (node:test, zero deps)
└── [x] 6.7 Auto-GPT plugin — COMPLET (x402-autogpt-plugin v0.1.0, 13/02/2026)
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.
- 9d ago First seen · 711 lines · 14,796 tokens per session scan A f9c6aff7cd8d
x402-backend CLAUDE.md is an instructions file published in the GitHub repository Wintyx57/x402-backend (3 stars, last pushed 2mo ago), licensed MIT. It adds 14,796 tokens to every session, about $0.0740 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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