Security & Testing

greyridgesignals.ai

An AI systems architecture and security firm that helps companies design, productionize, and red-team their AI systems.

x402 supported2 endpoints26 known toolsFirst detected October 19, 2026Last detected October 19, 2026

ENDPOINT 1

https://api.greyridgesignals.ai/mcp

Auth required

Known tools 0

No tool metadata was available in the registry cache.

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.greyridgesignals-ai]
url = "https://api.greyridgesignals.ai/mcp"
enabled = true
bearer_token_env_var = "MCP_BEARER_TOKEN"

Authentication is required. Replace the placeholder locally and never commit a secret.

Claude Code

.mcp.json

{
  "mcpServers": {
    "greyridgesignals-ai": {
      "type": "http",
      "url": "https://api.greyridgesignals.ai/mcp",
      "headers": {
        "Authorization": "Bearer YOUR_BEARER_TOKEN"
      }
    }
  }
}

Authentication is required. Replace the placeholder locally and never commit a secret.

Claude Desktop

Settings → Connectors → Add custom connector

Name: greyridgesignals-ai
Remote MCP URL: https://api.greyridgesignals.ai/mcp

Add the URL as a custom connector, then complete its supported authorization flow. Claude Desktop remote connectors are configured in the UI.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "greyridgesignals-ai": {
      "url": "https://api.greyridgesignals.ai/mcp",
      "headers": {
        "Authorization": "Bearer YOUR_BEARER_TOKEN"
      }
    }
  }
}

Authentication is required. Replace the placeholder locally and never commit a secret.

Visual Studio Code

.vscode/mcp.json

{
  "servers": {
    "greyridgesignals-ai": {
      "type": "http",
      "url": "https://api.greyridgesignals.ai/mcp",
      "headers": {
        "Authorization": "Bearer ${input:mcp-token}"
      }
    }
  },
  "inputs": [
    {
      "type": "promptString",
      "id": "mcp-token",
      "description": "greyridgesignals-ai bearer token",
      "password": true
    }
  ]
}

Authentication is required. Replace the placeholder locally and never commit a secret.

Generic MCP

Client-specific MCP configuration

{
  "name": "greyridgesignals-ai",
  "transport": "streamable-http",
  "url": "https://api.greyridgesignals.ai/mcp",
  "headers": {
    "Authorization": "Bearer YOUR_BEARER_TOKEN"
  }
}

Authentication is required. Replace the placeholder locally and never commit a secret.

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

ENDPOINT 2

https://x402-data-api.sigrunner.workers.dev/mcp

No auth detected

MCP server metadata

Name: x402-data-api
Version: 0.1.0

Capabilities

tools.listChanged

Known tools 26

enrich_tech_risk

Security enrichment: tech-stack fingerprint + CVE mapping + EPSS + CISA KEV + verdict (clear/review/block) for a domain.

Inferred read-only

enrich_domain

Firmographic + 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.

Inferred read-only

scan_mcp_server

Security-audit a target MCP server for prompt-injection / tool-poisoning.

Inferred read-only

scan_mcp_preview

FREE preview scan of a target MCP server for tool-poisoning / prompt-injection.

Inferred read-only

crypto_prices

Live spot token prices (price, change_24h, symbol, confidence, timestamp) for CoinGecko ids, sourced from DefiLlama.

Inferred read-only

crypto_funding

Live cross-venue perpetual-futures funding rates from Hyperliquid+OKX+dYdX (per-venue rate, arb spread in bps, cheapest-long/richest-short venue, premium/basis, annualized_hl, annualized_okx, LONGS_PAY/SHORTS_PAY/NEUTRAL signal, next_funding_ts, mark/oracle price, open interest, day volume), ranked by volume.

Inferred read-only

defi_yields

Live DeFi lending/LP yield pools (project, chain, symbol, pool id, APY breakdown incl.

Inferred read-only

pm_markets

Live Polymarket prediction-market data — question, outcomes, outcome prices, bestBid/bestAsk/spread, volume24hr/volume1wk, oneDayPriceChange, clobTokenIds, conditionId, category tags, liquidity, end date — ranked by volume24hr.

Inferred read-only

crypto_prices_preview

FREE 1-item sample of live token prices.

Inferred read-only

crypto_funding_preview

FREE 1-item sample of live cross-venue funding rates.

Inferred read-only

defi_yields_preview

FREE 1-item sample of live DeFi yield pools.

Inferred read-only

pm_markets_preview

FREE top-1 sample of live Polymarket prediction markets, ranked by volume24hr.

Inferred read-only

chain_block_number

Current Base mainnet block number via multi-provider JSON-RPC (automatic failover across 4 providers, never fails on one provider's rate limit).

Inferred read-only

chain_gas_price

Current 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.

Inferred read-only

chain_balance

Native ETH balance of a Base mainnet address, incl.

Inferred read-only

chain_token_balance

ERC-20 token balance of a Base mainnet address via multi-provider JSON-RPC, incl.

Inferred read-only

chain_tx

Transaction details by hash on Base mainnet via multi-provider JSON-RPC.

Inferred read-only

chain_wallet

Wallet 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.

Inferred read-only

chain_token_security

Token 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 whether a synthetic wallet can actually transfer() the token.

Potential side effects

chain_block_number_preview

FREE live sample of the current Base mainnet block number — identical data to the paid chain_block_number tool.

Inferred read-only

chain_gas_price_preview

FREE live sample of the current Base mainnet gas price — identical data to the paid chain_gas_price tool.

Inferred read-only

chain_token_report

Token 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-setter/upgradeable-proxy checks, token symbol/name/decimals, and Uniswap v3 WETH-pool liquidity (USD).

Potential side effects

gate_swap

Pre-trade GO / HOLD / BLOCK gate for a Base ERC-20 swap: honeypot/sellability + admin-control checks + Uniswap v3 liquidity vs.

Potential side effects

gate_swap_preview

FREE 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.

Potential side effects

chain_token_report_preview

FREE full real trade-safety report (SAFE/CAUTION/AVOID verdict) for Base USDC, same depth as the paid chain_token_report tool.

Potential side effects

chain_token_security_preview

FREE 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.

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.x402-data-api]
url = "https://x402-data-api.sigrunner.workers.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "x402-data-api": {
      "type": "http",
      "url": "https://x402-data-api.sigrunner.workers.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: x402-data-api
Remote MCP URL: https://x402-data-api.sigrunner.workers.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "x402-data-api": {
      "url": "https://x402-data-api.sigrunner.workers.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "x402-data-api": {
      "type": "http",
      "url": "https://x402-data-api.sigrunner.workers.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "x402-data-api",
  "transport": "streamable-http",
  "url": "https://x402-data-api.sigrunner.workers.dev/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.