MCP security scanner: tool-poisoning & prompt-injection audit (OWASP LLM01/LLM08), x402-payable
Connect Remote server
claude mcp add --transport http tech-risk https://api.greyridgesignals.ai/mcp
{
"mcpServers": {
"tech-risk": {
"url": "https://api.greyridgesignals.ai/mcp"
}
}
}
{
"servers": {
"tech-risk": {
"type": "http",
"url": "https://api.greyridgesignals.ai/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://api.greyridgesignals.ai/mcp
Tools 34 found in our last check
enrich_tech_riskSecurity enrichment: tech-stack fingerprint + CVE mapping + EPSS + CISA KEV + verdict (clear/review/block) for a domain. Cost: $0.005 USDC per call (x402 micropayment).
enrich_domainFirmographic + tech-stack enrichment: RDAP registrant/registrar, DNS records, full subdomain enumeration + certificate-transparency history, tech-stack fingerprint, verdict (clear/review/block, based on domain age) for a domain. Cost: $0.005 USDC per call via the shared MCP paym…
scan_mcp_serverSecurity-audit a target MCP server for prompt-injection / tool-poisoning. Fetches the server's advertised tools and statically analyzes each for hidden instructions, data-exfiltration hints, dangerous capabilities, cross-tool shadowing, and invisible-unicode payloads (OWASP LLM0…
scan_mcp_previewFREE preview scan of a target MCP server for tool-poisoning / prompt-injection. Returns issue count, severity breakdown, risk score, and verdict (clear/review/block) — but NOT which tools or the evidence. Use this to check any MCP server (including your own) at no cost; if issue…
crypto_pricesLive spot token prices (price, change_24h, symbol, confidence, timestamp) for CoinGecko ids, sourced from DefiLlama. Cost: $0.005 USDC per call via x402.
crypto_fundingLive 6-venue perpetual-futures funding rates from Binance+Bybit+OKX+Hyperliquid+dYdX+Gate (per-venue rate, per-venue open interest in USD, an OI-WEIGHTED CEX↔DEX arb verdict — funding_spread_bps + cheapest-long/richest-short venue computed over an OI-screened set so a thin-book…
defi_yieldsLive DeFi lending/LP yield pools, and every pool is tagged with an entry verdict (SUSTAINABLE | DECAYING | OUTLIER | AVOID) + a 0-100 risk_score right in the list — a go/no-go at the browse stage, not just raw rows. Each row carries project, chain, symbol, pool id, APY breakdown…
yield_entry_verdictPer-pool DeFi yield-entry go/no-go. Pass a DefiLlama poolId (the 'pool' field from defi_yields) and get a packaged SUSTAINABLE | DECAYING | OUTLIER | AVOID verdict + 0-100 risk score + field-cited reasons, built from the pool's APY trend (1d/7d/30d), DefiLlama stability forecast…
simulateWill this Base transaction revert? Prospective-tx dry-run via eth_simulateV1: pass from, to, optional data (0x calldata) and value (wei) and get will_revert + revert_reason + gas_used + token asset_changes BEFORE the agent spends gas sending it. Keyless, Base-native, Tenderly/Al…
pm_marketsLive Polymarket prediction-market data — question, outcomes, outcome prices, bestBid/bestAsk/spread, volume24hr/volume1wk, oneDayPriceChange, clobTokenIds, conditionId, category tags, liquidity, end date — ranked by volume24hr. Cost: $0.005 USDC per call via x402.
crypto_prices_previewFREE 1-item sample of live token prices. No payment required.
crypto_funding_previewFREE 1-item sample of live cross-venue funding rates. No payment required.
defi_yields_previewFREE 1-item sample of live DeFi yield pools. No payment required.
yield_entry_verdict_previewFREE sample yield-entry verdict for the current top-TVL pool. Shows the packaged SUSTAINABLE/DECAYING/OUTLIER/AVOID + risk-score output shape before you pay. No payment required.
simulate_previewFREE sample prospective-tx dry-run (benign 0-value call) showing the will_revert/gas_used/asset_changes output shape before you pay. No payment required.
pm_markets_previewFREE top-1 sample of live Polymarket prediction markets, ranked by volume24hr. No payment required.
chain_block_numberCurrent Base mainnet block number via multi-provider JSON-RPC (automatic failover across 4 providers, never fails on one provider's rate limit). Cost: $0.005 USDC per call via x402.
chain_gas_priceCurrent Base mainnet gas price (wei/gwei), EIP-1559 base_fee_gwei/priority_fee_gwei, and gas_price_usd (ETH price cross-call — no price oracle on ETH-only competitors) via multi-provider JSON-RPC. Cost: $0.005 USDC per call via x402.
chain_balanceNative ETH balance of a Base mainnet address, incl. balance_usd (ETH price cross-call — no price oracle on ETH-only competitors), via multi-provider JSON-RPC. Cost: $0.005 USDC per call via x402.
chain_token_balanceERC-20 token balance of a Base mainnet address via multi-provider JSON-RPC, incl. symbol/decimals/balance_formatted (per-token-contract cached in-isolate). Cost: $0.005 USDC per call via x402.
chain_txTransaction details by hash on Base mainnet via multi-provider JSON-RPC. Cost: $0.005 USDC per call via x402.
chain_walletWallet screening bundle (balance, activity, contract vs EOA check): ETH balance + balance_usd (ETH price cross-call) + tx count + contract-code check (EIP-7702 delegated-EOA aware) for a Base mainnet address, in one call. Cost: $0.005 USDC per call via x402.
chain_wallet_screenIs this wallet sanctioned OR a known scammer? Pre-trade screen for a counterparty / recipient / token-spender address before an agent sends, swaps or approves: exact match against (1) the U.S. Treasury OFAC SDN crypto-address list and (2) community scam/phishing/wallet-drainer t…
x402_preflightShould an agent pay this x402 endpoint? Pre-payment check of an UNKNOWN x402 URL: fetch it once (never pays) to validate the 402 challenge + accepts[] (scheme/network/payTo/amount/asset/resource = will it settle) AND label its LIVENESS (LIVE | ZOMBIE | DEAD — is it a working pay…
x402_receipt_verifyDid my x402 payment actually settle? POST-payment on-chain proof — the other half of x402_preflight (which checks BEFORE paying). Bring your Base settlement tx hash + the resource URL you paid, and this reads the tx receipt from Base mainnet, decodes its USDC Transfer events, an…
x402_receipt_verify_previewFREE keyless x402 settlement check on Base: pass a tx hash plus payto (and optionally expect, in USDC). Dual-RPC reads the receipt, decodes USDC Transfers and returns SETTLED | UNDERPAID | WRONG_RECIPIENT | NO_TRANSFER | REVERTED | NOT_FOUND. Binds to the payTo you supply; resol…
chain_token_securityToken security / honeypot detector for a Base mainnet ERC-20: EIP-1967/1822 proxy + upgradeability detection, bytecode dispatcher scan for mint/pause/blacklist/fee-setter/ownership selectors, owner() renouncement check, and a live eth_call state-override simulation testing wheth…
chain_block_number_previewFREE live sample of the current Base mainnet block number — identical data to the paid chain_block_number tool. No payment required.
chain_gas_price_previewFREE live sample of the current Base mainnet gas price — identical data to the paid chain_gas_price tool. No payment required.
chain_token_reportToken security check (honeypot detector + rug-pull risk score) for a Base ERC-20 in one call, decision-grade trade-safety verdict: SAFE | CAUTION | AVOID plus risk_score (0-100) and reasons, bundling honeypot/sellability simulation, owner-renounced + mint/pause/blacklist/fee-set…
gate_swapPre-trade GO / HOLD / BLOCK gate for a Base ERC-20 swap: honeypot/sellability + admin-control checks + Uniswap v3 liquidity vs. your trade size. Returns a top-level `sized_verdict` one-liner (decision + pool-depth % + max-safe size + round-trip breakeven + exit recovery, read in…
gate_swap_previewFREE live sample of the gate_swap pre-trade GO/HOLD/BLOCK decision for a demo Base token (usdc|weth|cbbtc|aero|degen), same shape as the paid gate_swap tool. The paid gate_swap tool additionally returns a top-level `sized_verdict` one-liner plus the full `sizing` object (entry/e…
chain_token_report_previewFREE full real trade-safety report (SAFE/CAUTION/AVOID verdict) for Base USDC, same depth as the paid chain_token_report tool. No payment required.
chain_token_security_previewFREE full real analysis of a fixed well-known token (Base WETH) via the token security / honeypot detector — same depth as the paid chain_token_security tool, so you can see the real product before paying. To analyze an arbitrary token, use the paid chain_token_security tool. No…
Details
| Endpoint | https://api.greyridgesignals.ai/mcp (Streamable HTTP) |
| Package | [email protected] (PYPI, stdio) |
| First published | 4 Nov 2026 |
| Last updated | 4 Nov 2026 |
| Registry name | ai.greyridgesignals/tech-risk |
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