Borrowing it
Nothing to install: this file belongs to badchars/supply-chain-mcp-server. 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/badchars/supply-chain-mcp-server/main/CLAUDE.mdgit clone --depth 1 https://github.com/badchars/supply-chain-mcp-serverWrote 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/badchars/supply-chain-mcp-server/claude-md)<a href="https://agentmods.dev/instructions/badchars/supply-chain-mcp-server/claude-md"><img src="https://agentmods.dev/badge/instructions/badchars/supply-chain-mcp-server/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/badchars/supply-chain-mcp-server/claude-md"><img src="https://agentmods.dev/badge/instructions/badchars/supply-chain-mcp-server/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 | $0.00550 | $0.00550 |
| Opus 5.5 | $0.00220 | $0.00220 |
| Sonnet 5.5 | $0.00110 | $0.00110 |
| Haiku 4.5 | $0.00055 | $0.00055 |
Grade A, and why
supply-chain-mcp-server 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 1mo 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 — 44 lines — stays where its author put it; the contents beside it link to each section on GitHub.
supply-chain-mcp — Software Supply Chain Security MCP Server
Overview
7 composite tools (90 techniques) MCP server for software supply chain security: vulnerability scanning (OSV, GHSA, NVD, EPSS, KEV), package analysis (npm, PyPI, crates.io, Go, RubyGems, NuGet, Packagist), provenance verification (Sigstore Rekor), dependency intelligence (deps.dev, Libraries.io), OpenSSF Scorecard, license compliance (ClearlyDefined), and typosquatting detection.
Architecture
- Runtime: Bun 1.3.9+ (dev), Node.js (publish)
- Dependencies: @modelcontextprotocol/sdk, zod
- Transport: stdio only
- Pattern: 7 composite tools in src/composite/ orchestrate 90 individual techniques from 22 providers under src/
Composite Tools (7)
| Tool | Techniques | Description |
|---|---|---|
| vuln_scan | 24 | Vulnerability intelligence (OSV, GHSA, NVD, EPSS, KEV, Go Vuln) |
| package_info | 33 | Package metadata across 7 ecosystems |
| dep_tree | 14 | Dependency graph via deps.dev + Libraries.io |
| security_check | 7 | Typosquatting, provenance, Sigstore Rekor |
| quality | 8 | OpenSSF Scorecard, Best Practices, Repology |
| license | 3 | ClearlyDefined license compliance |
| meta | 1 | Data source listing |
Providers (22)
osv, ghsa, nvd, epss, kev, npm, pypi, crates, go, govuln, depsdev, scorecard, badge, libraries, rekor, typosquat, clearlydefined, repology, rubygems, nuget, packagist, meta
Key Rules
- TypeScript strict mode, English code/comments
- Native
fetch()for all HTTP APIs - Every tool schema field must have
.describe() - API keys always optional — graceful error when missing
- Rate limiter + TTL cache per provider
- Import paths use
.jsextension (ESM)
Commands
bun install # Install deps
bun run dev # Dev mode (watch)
bun run build # Build for npm
bun run src/index.ts --help # CLI help
bun run src/index.ts --list # 7 composite tools
bun run src/index.ts --list-all # 90 individual techniques
bun run src/index.ts --tool <name> '<json>' # Run tool (composite or individual)
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.
- 1mo ago First seen · 44 lines · 550 tokens per session scan A e38bad2b6edc
supply-chain-mcp-server CLAUDE.md is an instructions file published in the GitHub repository badchars/supply-chain-mcp-server (4 stars, last pushed 1mo ago), licensed MIT. It adds 550 tokens to every session, about $0.0022 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.
Other instructions, from other repositories
vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
next.js AGENTS.md
AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, cache eligibility and rollout and applying the notice (cutover).
langchain AGENTS.md
AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.
vscode copilot-instructions.md
Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).
vscode model-prompts.instructions.md
Model-specific prompt authoring and registry guidelines.