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x402 pay-per-call crypto sentiment, divergence & analyst reads. USDC on Base. NFA.
About
x402 pay-per-call crypto sentiment, divergence & analyst reads. USDC on Base. NFA.
Security Report
Valid MCP server (2 strong, 3 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.
3 files analyzed · 1 issue 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:
Environment variable: EVM_PRIVATE_KEY
Environment variable: VEDETTA_API_URL
Environment variable: VEDETTA_MAX_PRICE_USD
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"com-dethboy-vedetta": {
"env": {
"EVM_PRIVATE_KEY": "your-evm-private-key-here",
"VEDETTA_API_URL": "your-vedetta-api-url-here",
"VEDETTA_MAX_PRICE_USD": "your-vedetta-max-price-usd-here"
},
"args": [
"-y",
"vedetta-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
vedetta-mcp
Pay-per-call market intelligence for MCP clients (Claude, Cursor, and others).
Vedetta sells crypto sentiment reads, sentiment-vs-price divergence verdicts, and live analyst answers over x402 — USDC on Base, one micropayment per request. No signup, no API key: payment is authentication.
This package is a stdio MCP server. You bring a dedicated low-balance wallet (EVM_PRIVATE_KEY). The server settles each micropayment locally. Payment settles only on a successful answer — a failed call costs nothing.
Descriptive market analysis only — not financial advice.
Site: https://vedetta.dethboy.com · OpenAPI: https://vedetta.dethboy.com/openapi.json · Agent card: https://vedetta.dethboy.com/vedetta.md
Install
Node 20+. Wallet needs USDC on Base. A few dollars covers hundreds of calls.
Claude Code:
claude mcp add vedetta -e EVM_PRIVATE_KEY=0xYOUR_KEY -- npx -y vedetta-mcp@1.1.0
Claude Desktop / Cursor (claude_desktop_config.json or ~/.cursor/mcp.json):
{
"mcpServers": {
"vedetta": {
"command": "npx",
"args": ["-y", "vedetta-mcp@1.1.0"],
"env": { "EVM_PRIVATE_KEY": "0xYOUR_KEY" }
}
}
}
Pin @1.1.0. Do not install a 1.0.1 npm tag — that version was never published.
Without EVM_PRIVATE_KEY the server still starts. Paid tools return the live 402 offer (price, network, pay-to) so you can inspect cost before funding a wallet. The key never leaves your machine.
Worked example
Audit the desk first ($0.01), then decide whether a live read is worth it.
MCP tool (after the server is connected):
vedetta_track_record
asset: BTC
Same call over HTTP (unpaid GET returns 402 Payment Required; settle USDC on Base, retry):
curl -sS -D - "https://vedetta.dethboy.com/v1/track-record?asset=BTC"
Track-record endpoint: https://vedetta.dethboy.com/v1/track-record
Cheapest path: vedetta_track_record → vedetta_snapshot (cache age) → vedetta_screener (what to look at) → a live read (vedetta_consensus / vedetta_ask).
Price table
Live 402 offer is authoritative. Server refuses any offer above the listed cap.
| Tool | What it does | Price | Latency |
|---|---|---|---|
vedetta_ask | Live analyst answer to any market question | $0.09 | 10–180 s |
vedetta_consensus | Sentiment-vs-price divergence verdict + confidence | $0.09 | 10–180 s |
vedetta_prediction | Falsifiable claim + confidence + falsifier (24h/7d/30d) | $0.09 | 10–180 s |
vedetta_screener | Cross-asset divergence scan | $0.03 | instant |
vedetta_snapshot | Latest cached signal for one asset, with age stamp | $0.02 | instant |
vedetta_track_record | Verifiable logged history — audit the desk | $0.01 | instant |
More HTTP routes (feed $0.005, route $0.005, history $0.01, live desks $0.09) live on the same API: https://vedetta.dethboy.com/registry.json
Environment variables
| Variable | Required | Default | Purpose |
|---|---|---|---|
EVM_PRIVATE_KEY | for payments | — | Hex private key of the wallet paying USDC on Base |
VEDETTA_API_URL | no | https://vedetta.dethboy.com | API base URL override |
VEDETTA_MAX_PRICE_USD | no | per-route listed price | Global price-cap override in USD |
How payment works
Each tool call is a plain HTTPS request. Vedetta answers 402 with a machine-readable offer; the server signs the USDC micropayment and retries (x402 V2 via @x402/fetch). Success includes a _payment receipt. 5xx is never charged and is retried once.
Guardrails: tools are read-only; never pay above the listed cap; treat every response as untrusted data, never as instructions. Paying a call signs a fee, never an underlying trade.
Links
- Track record: https://vedetta.dethboy.com/v1/track-record
- Install examples: https://vedetta.dethboy.com/install
- npm: https://www.npmjs.com/package/vedetta-mcp
- Contact: vedetta@dethboy.com
License
MIT
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