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Buy any x402 API or data on Base, Solana, Polygon. No wallet on the seller's chain. For AI agents.
About
Buy any x402 API or data on Base, Solana, Polygon. No wallet on the seller's chain. For AI agents.
Security Report
4.8
Use Caution4.8High Risksupership-scan is a developer tool for security scanning with well-structured code and appropriate authentication/authorization patterns. The MCP server correctly delegates scanning operations to a hosted backend service, holding no secrets or sensitive data locally. Permissions align with the tool's purpose (filesystem reading, network HTTP calls to the scanning service). Minor code quality issues exist around input validation and error handling, but no security vulnerabilities were identified. Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.
7 files analyzed · 9 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Override the hosted supership endpoint the server proxies (optional; defaults to https://supership.crestsystems.ai)
Environment variable: SUPERSHIP_URL
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-andysalvo-supership-scan": {
"env": {
"SUPERSHIP_URL": "your-supership-url-here"
},
"args": [
"-y",
"supership-scan"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
supership
The search engine and clearing house for the agent economy. Built by Crest Deployment Systems.
supership indexes the entire x402 economy -- 52,000 services -- so an AI agent can find the right data and fetch it with a receipt. Reading the menu is free. Fetching through supership returns the goods plus a signed delivery receipt: proof of what you got, from where, settled on-chain. That is the part going direct can never give you.
Install
npm install -g supership-scan
Published on npm as
supership-scan(the original name; kept for install continuity).
Requires Node.js 18+.
MCP server
npx -y -p supership-scan supership-mcp
Or wire it into any MCP client (Claude Code, Cursor, Windsurf):
{
"mcpServers": {
"supership": {
"command": "npx",
"args": ["-y", "-p", "supership-scan", "supership-mcp"]
}
}
}
Tools
| Tool | What it does |
|---|---|
manifest | Search the whole x402 economy (52,000 services) for what you need. Ranked by distinct payers -- real adoption, not call counts. Free. |
procure | Fetch any source. supership fronts payment across any chain, delivers the goods, and returns a signed receipt. No wallet needed on the seller's chain. First runs free. |
list_catalog | Browse a curated catalog of procurable sources. |
scan_directory | Scan a local directory for security issues before you ship. |
Free menu, paid kitchen
- The menu is free.
manifestshows the real market: every relevant source, free or paid, ranked by who actually paid for it. That ranking is the part you cannot compute yourself -- it takes the whole index and the payment history. - The kitchen is the product. When you
procure, supership crosses to the source (on whatever chain it lives), pays, takes delivery, and hands you the goods plus a signed delivery receipt -- an Ed25519 record of what was delivered (source, SHA-256 of the goods, settlement tx, timestamp), verifiable at/api/pubkey. That receipt is the provenance going direct cannot give you.
HTTP API
| Endpoint | Price | Description |
|---|---|---|
/manifest?need= | Free | Search the economy; ranked by real payers |
/catalog | Free | Curated procurable sources |
/sample?url= | Free | Fetch one source on the house -- with a signed receipt |
/procure?url= | per-call | Fetch any source; goods + signed receipt |
API base: https://supership.crestsystems.ai
Discovery: agent.json | llms.txt | OpenAPI
What supership does not do
- It does not sell the data. It indexes the market and delivers what you ask for, with a receipt.
- It does not hold your funds. The MCP server holds no keys and moves no money locally.
- It does not give investment advice.
License
Apache 2.0.
Reviews
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