Evidence row 732511

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "Find the exact operation in a public API's OpenAPI spec for a task: method, path, parameters, request body fields, auth. Deterministic search, no LLM. Input: {api, query}. Optional {spec_url} if you already know the spec. Costs $0.002 USDC per call via x402 (Base preferred, or Solana); no charge on errors. Free tier: pass free_trial=true (10 calls/day).",
      "inputSchema": {
        "properties": {
          "api": {
            "type": "string"
          },
          "free_trial": {
            "description": "set true to use the free tier (10 calls/day) without payment",
            "type": "boolean"
          },
          "query": {
            "description": "what you want to do, e.g. 'list repository issues'",
            "type": "string"
          },
          "spec_url": {
            "type": "string"
          },
          "x402_payment": {
            "description": "base64 x402 payment payload; omit to receive payment requirements",
            "type": "string"
          }
        },
        "required": [
          "api",
          "query"
        ],
        "type": "object"
      },
      "name": "api_endpoint"
    },
    {
      "description": "Look up any public API for an agent: finds its OpenAPI spec and llms.txt/docs, and returns base URL, auth scheme, rate-limit and error notes, key endpoints and source links (LLM-condensed, cached 7d). Input: {api} (name like 'stripe', a domain, or docs URL), optional {question}. Costs $0.005 USDC per call via x402 (Base preferred, or Solana); no charge on errors. Free tier: pass free_trial=true (10 calls/day).",
      "inputSchema": {
        "properties": {
          "api": {
            "description": "API name, domain or docs URL",
            "type": "string"
          },
          "free_trial": {
            "description": "set true to use the free tier (10 calls/day) without payment",
            "type": "boolean"
          },
          "question": {
            "description": "optional focus, e.g. 'how to create a payment'",
            "type": "string"
          },
          "x402_payment": {
            "description": "base64 x402 payment payload; omit to receive payment requirements",
            "type": "string"
          }
        },
        "required": [
          "api"
        ],
        "type": "object"
      },
      "name": "api_lookup"
    },
    {
      "description": "Company/website enrichment: crawl a domain's homepage plus contact/about pages and return public emails, phone numbers, social profiles (X, LinkedIn, GitHub, etc.), page title/description and detected tech. Input: {url} or {domain}. Costs $0.005 USDC per call via x402 (Base preferred, or Solana); no charge on errors. Free tier: pass free_trial=true (10 calls/day).",
      "inputSchema": {
        "properties": {
          "domain": {
            "type": "string"
          },
          "free_trial": {
            "description": "set true to use the free tier (10 calls/day) without payment",
            "type": "boolean"
          },
          "url": {
            "description": "website URL or bare domain",
            "type": "string"
          },
          "x402_payment": {
            "description": "base64 x402 payment payload; omit to receive payment requirements",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "site_contacts"
    },
    {
      "description": "Solana SPL token snapshot + rug-risk flags: name/symbol, supply, decimals, USD price (when indexed), mint & freeze authority status, top-10 holder concentration, token program. Input: {mint}. Costs $0.003 USDC per call via x402 (Base preferred, or Solana); no charge on errors. Free tier: pass free_trial=true (10 calls/day).",
      "inputSchema": {
        "properties": {
          "free_trial": {
            "description": "set true to use the free tier (10 calls/day) without payment",
            "type": "boolean"
          },
          "mint": {
            "description": "SPL token mint address",
            "type": "string"
          },
          "x402_payment": {
            "description": "base64 x402 payment payload; omit to receive payment requirements",
            "type": "string"
          }
        },
        "required": [
          "mint"
        ],
        "type": "object"
      },
      "name": "solana_token_check"
    },
    {
      "description": "Summarize text or a web page URL into concise bullet points (LLM, Llama 3.1 8B fp8). Input: {text} or {url}, optional {max_words}. Costs $0.003 USDC per call via x402 (Base preferred, or Solana); no charge on errors.",
      "inputSchema": {
        "properties": {
          "max_words": {
            "type": "number"
          },
          "text": {
            "description": "text to summarize (max 12000 chars)",
            "type": "string"
          },
          "url": {
            "description": "or a page URL to fetch and summarize",
            "type": "string"
          },
          "x402_payment": {
            "description": "base64 x402 payment payload; omit to receive payment requirements",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "summarize"
    },
    {
      "description": "Is this crypto token safe? Use whenever a user or agent asks if a token is a scam, rug pull or honeypot, or before buying, swapping, approving or listing a token on Base (0x ERC-20) or Solana (mint). Returns a grade SAFE / CAUTION / RISKY / DANGER, a 0-100 score and plain-English reasons from live on-chain contract checks (upgradeable proxy, active owner, mint/blacklist/pause functions; Solana mint/freeze authority, top holders) plus DEX liquidity, 24h volume, buys/sells, price change and pair age. Input: {tokenAddress, chain?} (chain auto-detected). Typical latency 1-3 s. Not financial advice. Costs $0.008 USDC per call via x402 (Base preferred, or Solana); no charge on errors. Free tier: pass free_trial=true (10 calls/day). Example output: {\"chain\":\"base\",\"grade\":\"SAFE\",\"score\":95,\"one_liner\":\"No major red flags in contract or liquidity\",\"reasons\":[\"has an active owner\"],\"token\":{\"name\":\"Degen\",\"symbol\":\"DEGEN\",\"decimals\":18},\"market\":{\"pools\":30,\"liquidity_usd\":261202,\"volume_24h_usd\":48000,\"buys_24h\":900,\"sells_24h\":850,\"oldest_pair_age_days\":900}}",
      "inputSchema": {
        "properties": {
          "chain": {
            "enum": [
              "base",
              "solana"
            ],
            "type": "string"
          },
          "free_trial": {
            "description": "set true to use the free tier (10 calls/day) without payment",
            "type": "boolean"
          },
          "tokenAddress": {
            "description": "Base 0x token contract or Solana mint",
            "type": "string"
          },
          "x402_payment": {
            "description": "base64 x402 payment payload; omit to receive payment requirements",
            "type": "string"
          }
        },
        "required": [
          "tokenAddress"
        ],
        "type": "object"
      },
      "name": "token_verdict"
    },
    {
      "description": "Fetch a public web page and return clean Markdown (title, main text, links). Input: {url}. Costs $0.002 USDC per call via x402 (Base preferred, or Solana); no charge on errors.",
      "inputSchema": {
        "properties": {
          "max_chars": {
            "description": "truncate output (default 20000, max 50000)",
            "type": "number"
          },
          "url": {
            "description": "http(s) URL of the page",
            "type": "string"
          },
          "x402_payment": {
            "description": "base64 x402 payment payload; omit to receive payment requirements",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "url_to_markdown"
    }
  ]
}

What the leaf hashes

{"body":"dcfe712aff7f5ec41ce2e07f215e8f41a4ffa7f4958198bf4d46dfe91292c666","id":732511,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793154986189773,"prev":null,"subject":"6c6ff1bc-c681-4d12-b192-4ed72b69f850","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x0b73a33d430a54ca5b036bb5f09750419c033f4819a0c483fddf5d06cf2f85a7
2. 0xe9f8dd2c003cbe7c491def35f53ba7596671e926beb9e6dd18bc8ffbb7650bd9
3. 0x0e2f734ada5fce3a97fd904353f173d4f079b8281c809e070dbe00178610cb25
4. 0x8c862711e43cec32a5e8a402d690d3fef39778e530faf8522aef2a5f443a8ed4
5. 0xb22f1b3f8686218921b15e5166ae66d155bb266e9e51f45b14e79e976f974e39
6. 0xbbda13ed96db4f2afc680da24d7393c4630f519f1379549645a6c22768680e57
7. 0x700d6b695705ce330cba9f3d25f2ad06452650455528e79ed75087941c94359e
8. 0xd398294020ab2501ef314170181b349d7c87d1520501a88ee5cf142978a834fc
9. 0xa821a8afa08c1fdb3ba0a456874b6c5fb6a36b98a983062b26a7c15ae86304cd
10. 0xe01d0f1daeb6b5033dfaa0274f468e81bb73e762ff58e00c695e683b18061d2b
11. 0x66cc93bf3490099d76f8da30d3812f9f0c79d7fe21152dd1638ffa57de9f7815
12. 0x52eb63b6c4d11c73617a1baaf8688765bbe62759c01938a810ec6bac6f24442c
13. 0x73d3610e2c08ca27a37c12207c5d9bd9e90f1ab1c3656d7edfb5cdf604e1958e
14. 0xd255034c045ff2574d11cb3757ffb240536c7380f2dfbe54e8a41bd8797bd254
15. 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
16. 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae