Is X402 · carbon-cashmere safe and trustworthy?

tashan scores X402 · carbon-cashmere on public evidence — tashan score 38.0/100, it is currently active, note: a single primary maintainer (bus-factor risk), no known advisories against the current release, its declared dependencies reach: network. Audit scope: OSV advisories, install-time scripts, build provenance and declared permission surface. We do not review source code or execute the capability.

How do I install X402 · carbon-cashmere?

In Claude Code: run `claude mcp add x402 -- npx -y @carbon-cashmere/x402-mcp`. In Cursor / Claude Desktop, add it to mcp.json / claude_desktop_config.json.

Who maintains X402 · carbon-cashmere?

source: CarbonCashmere/x402-mcp.

‹ The Index

X402 · carbon-cashmere

npm

177 crypto market intel endpoints with auto x402 USDC micropayments from your AI agent

Works with: Claude Code, Cursor, Claude Desktop, Codex CLI, Gemini CLI, Cline, Windsurf, VS Code (installable)
installable: each client documents how to load an MCP server of this type — that is the client's promise, not a claim verified against this capability

Category: Finance & Crypto — see all ranked ›

Install (Claude Code):

claude mcp add x402 -- npx -y @carbon-cashmere/x402-mcp

deep

“6 tools documented (get_v1_news, get_v1_stablecoins, get_v1_onchain_btc…); 3 worked examples; setup and auth covered; states a limit — “chain are rejected at the signing layer — your key cannot be…””

This grade is wrong ›

tashan score: 38.0
Instruction depth: 85.0 (deep — documents every tool, with worked examples, setup and a stated limitation)
Adoption: 84/wk
Upkeep: 48.0
Freshness: 65.0
Evidence coverage: 100% of the inputs this score can use
Health: active
Settled payments: $14.63 across 405 x402 calls at its own payment address (Base, all time)
License: MIT

Security audit

Every finding is shown in full — which advisory, the version that fixes it, and the exact command run at install time. Nothing in this audit is behind a licence.

No known advisoriesclearchecked against OSV for 0.2.2 — this package, not its dependency tree

Makes network requestsfrom declared dependencies

Can carry remote content into your agentit can pull third-party text into the model's context — treat what it returns as untrusted input

No build provenanceno attestation — the published artifact cannot be traced to its source

You searched for one. Check the rest of your stack:

npx tashan-cli doctor

Reads the config already on your machine and names what is dead, deprecated or running code at install time. No account, nothing uploaded.

tashan Pro$6/mo

X402 · carbon-cashmere scores 38 today. Pro keeps the series, so you can see whether that is a project getting better or one on its way down.

The whole series behind any row, back to the first day we measured it
The replacement, named — not just the news that something died
tashan doctor over your own config, on your own machine

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[![tashan](https://tashan.sh/badge/pkg-carbon-cashmere-x402-mcp.svg)](https://tashan.sh/capability/pkg-carbon-cashmere-x402-mcp.html)

npm ↗ · source ↗ · pkg:@carbon-cashmere/x402-mcp

Everything on this page is public evidence and free. What it cannot know is whether you run this — check your whole config, free, in the browser. tashan Pro adds the series behind each row and names a replacement for anything dying.

Already running this? Check your whole config — free, in your browser, nothing installed. Or npx tashan-cli doctor locally, which sends nothing at all.

Measured 2026-09-13 · scorer s5 · how · something wrong here?