Nsgoods MCP server

Read from the package source without running it. The installed server may list more.

• agent_trust

  Paid ($0.005 USDC): signed ERC-8004 reputation / trust score (0-100) for one (chain, agent) pair, with a transparent component breakdown (value_avg / client_breadth / volume / recency) and methodology link. For agent-to-agent trust decisions.

• backtest

  Paid ($0.25 USDC): walk-forward replay of the live multi-timeframe strategy over recent 1m history. Win-rate + average forward return per signal so an agent can measure recent edge.

• extractability

  Paid ($0.01 USDC): signed extractability (GEO) score 0-100 for a public URL, with a per-check breakdown and prioritized fixes + a provable-chain entry. Measures how well AI answer engines can quote the page.

• extractability_html

  Paid ($0.01 USDC): same signed extractability score, but for raw HTML you provide (POST). Use when the page isn't public or you want to score a draft. Max 3MB of HTML.

• extractability_preview

  FREE unsigned extractability (GEO) score 0-100 for a public URL: how well AI crawlers / answer engines can quote the page. Rate-limited. No payment, no wallet key.

• history

  Paid ($0.05 USDC): revealed historical signal snapshots (commit-reveal hash chain). Past BUY/SELL/HOLD calls with verifiable hashes; the latest snapshot is withheld.

• indicators

  Paid ($0.005 USDC): atomic TA indicators (RSI, EMA, MACD, ATR, Bollinger, volume) for a pair/timeframe. Cheap high-frequency poll endpoint.

• payable

  Paid ($0.005 USDC): signed payability check for any x402 endpoint — is it reachable, does it return a well-formed 402, and (for Solana/SPL settlement) does the destination token account (ATA) exist on-chain so a payment can actually settle. Verdicts: PAYABLE / ATA_MISSING_NEVER_EXISTED / ATA_CLOSED_AFTER_USE / EVM_NO_ATA_CHECK_NEEDED / NOT_SPL_SETTLEMENT / MALFORMED_402 / UNREACHABLE.

• payable_preview

  FREE locked demo: signed payability verdict for a fixed demo x402 endpoint (our own sanctions screen). Shows the exact response format + signature so you can verify before paying; ignores any input. No payment, no wallet key.

• regime

  Paid ($0.01 USDC): signed CMC market-regime classification (TREND_UP/TREND_DOWN/CHOP/RISK_OFF) + backtestable strategy spec for one coin.

• regime_changed

  Paid ($0.02 USDC): current market regime (RISK_ON/RISK_OFF) from a provable chain + whether it changed since the regime you last saw. Cheap poll to react to regime flips.

• regime_preview

  FREE BTC market-regime preview from the CMC Regime Skill (TREND_UP/DOWN/CHOP/RISK_OFF + inputs). No payment, no wallet key.

• signals

  Paid ($0.01 USDC): signed BUY/SELL/HOLD trading signal + confidence for one Kraken */USD pair, from a multi-timeframe engine. Machine-readable, ECDSA-signed.

• signals_preview

  FREE sample: current BTC/USD (or given pair) signal direction (BUY/SELL/HOLD) from Kraken Crypto Signals. No payment, no wallet key.

• signals_top

  Paid ($0.10 USDC): market scan — the strongest BUY/SELL signals across major Kraken pairs right now, with confidence.

• solar_legality

  Paid ($0.005 USDC): signed plug-in / balcony solar legality record for one US state — status, main utilities, enacted legislation. Data CC BY 4.0 (PlugInSolarHub).

• solar_legality_all

  Paid ($0.02 USDC): signed full 50-state plug-in solar legality dataset in one call. Data CC BY 4.0 (PlugInSolarHub).

• solar_preview

  FREE unsigned plug-in / balcony solar legality preview for one US state (status + badge + legal_status). No payment, no wallet key.

• trust_preview

  FREE demo score from the Agent Trust Oracle: an ERC-8004 reputation score for a real Ethereum agent with sufficient data. No payment, no wallet key.

• watchdog_preview

  FREE locked preview of a real Watchdog alert (a payto_changed alert on a live x402 endpoint). Shows the exact EIP-191-signed alert format + signature so you can verify before subscribing; ignores any input. No payment, no wallet key.

• watchdog_register

  Paid ($5.00 USDC, one call = a 30-day subscription for one endpoint): register an x402 endpoint for signed monitoring. You get an EIP-191-signed, offline-verifiable alert when it goes unreachable or recovers, its payability verdict degrades or is restored, its declared payTo / networks / asset changes, its 402 becomes self-inconsistent, or it drops from the catalogue (9 alert types). Alerts delive

• Code scan2 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitystatic API keys via environment variables6/15
• Maintenanceno repository listed3/15
• Maintainer identityverified namespace with website, no repo4/10

Nsgoods: common questions

Is Nsgoods MCP server safe?

With care: it is graded C, so read the findings first (58/100). Read the Nsgoods safety report

How do I install Nsgoods?

It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.

Does Nsgoods need an API key?

Yes. The registry entry asks for EVM_PRIVATE_KEY.

Is Nsgoods maintained?

The latest release is v1.0.3.