82trust / 100

Inspect

by tensegrity-control-mesh.onrender.com in Other

x402 APIPassing, checked 39 min ago

Deterministic structural failure inspection of a caller-declared control mesh. Structural evidence only; never authorizes execution. 0.01 USDC per request.

POST

https://tensegrity-control-mesh.onrender.com/inspect

Price: $0.01; per call in USDC
Uptime: 100%; last 30 days
Response time: 276 ms; 636 ms slowest 5%
Last check: Passed; 39 min ago, next any minute now

Run a free test call How to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://tensegrity-control-mesh.onrender.com/inspect

Each call costs $0.01 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://tensegrity-control-mesh.onrender.com/inspect
content-type: application/json

{
  "controls": [
    {
      "capacity": 1,
      "direction": "negative",
      "hard": false,
      "id": "control_a",
      "max_weight": 0.8,
      "min_weight": 0.1,
      "mode": "adaptive",
      "weight": 0.3
    },
    {
      "capacity": 1,
      "direction": "negative",
      "hard": false,
      "id": "control_b",
      "max_weight": 0.8,
      "min_weight": 0.1,
      "mode": "adaptive",
      "weight": 0.3
    },
    {
      "capacity": 1,
      "direction": "positive",
      "hard": false,
      "id": "control_c",
      "max_weight": 0.8,
      "min_weight": 0.1,
      "mode": "adaptive",
      "weight": 0.3
    },
    {
      "capacity": 1,
      "direction": "positive",
      "hard": false,
      "id": "control_d",
      "max_weight": 0.8,
      "min_weight": 0.1,
      "mode": "adaptive",
      "weight": 0.3
    }
  ],
  "inspection": {
    "max_depth": 2
  },
  "schema_version": "tcm.control.v0.6",
  "system_id": "unknown-agent-fixture"
}

Example response

The provider's example. We can't check it without paying.

Example response, 249 lines

{
  "initial_state": {
    "balanced": true,
    "residual": 0
  },
  "inspection": {
    "cases": [
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_a"
        ],
        "remaining_members": [
          "control_b",
          "control_c",
          "control_d"
        ],
        "survived": true
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_b"
        ],
        "remaining_members": [
          "control_a",
          "control_c",
          "control_d"
        ],
        "survived": true
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_c"
        ],
        "remaining_members": [
          "control_a",
          "control_b",
          "control_d"
        ],
        "survived": true
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_d"
        ],
        "remaining_members": [
          "control_a",
          "control_b",
          "control_c"
        ],
        "survived": true
      },
      {
        "failed_at_step": 2,
        "final_residual": 0.2,
        "loss_sequence": [
          "control_a",
          "control_b"
        ],
        "remaining_members": [
          "control_c",
          "control_d"
        ],
        "survived": false
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_a",
          "control_c"
        ],
        "remaining_members": [
          "control_b",
          "control_d"
        ],
        "survived": true
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_a",
          "control_d"
        ],
        "remaining_members": [
          "control_b",
          "control_c"
        ],
        "survived": true
      },
      {
        "failed_at_step": 2,
        "final_residual": 0.2,
        "loss_sequence": [
          "control_b",
          "control_a"
        ],
        "remaining_members": [
          "control_c",
          "control_d"
        ],
        "survived": false
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_b",
          "control_c"
        ],
        "remaining_members": [
          "control_a",
          "control_d"
        ],
        "survived": true
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_b",
          "control_d"
        ],
        "remaining_members": [
          "control_a",
          "control_c"
        ],
        "survived": true
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_c",
          "control_a"
        ],
        "remaining_members": [
          "control_b",
          "control_d"
        ],
        "survived": true
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_c",
          "control_b"
        ],
        "remaining_members": [
          "control_a",
          "control_d"
        ],
        "survived": true
      },
      {
        "failed_at_step": 2,
        "final_residual": 0.2,
        "loss_sequence": [
          "control_c",
          "control_d"
        ],
        "remaining_members": [
          "control_a",
          "control_b"
        ],
        "survived": false
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_d",
          "control_a"
        ],
        "remaining_members": [
          "control_b",
          "control_c"
        ],
        "survived": true
      },
      {
        "failed_at_step": null,
        "final_residual": 0,
        "loss_sequence": [
          "control_d",
          "control_b"
        ],
        "remaining_members": [
          "control_a",
          "control_c"
        ],
        "survived": true
      },
      {
        "failed_at_step": 2,
        "final_residual": 0.2,
        "loss_sequence": [
          "control_d",
          "control_c"
        ],
        "remaining_members": [
          "control_a",
          "control_b"
        ],
        "survived": false
      }
    ],
    "failed_cases": 4,
    "max_depth": 2,
    "minimal_failure_sequences": [
      [
        "control_a",
        "control_b"
      ],
      [
        "control_b",
        "control_a"
      ],
      [
        "control_c",
        "control_d"
      ],
      [
        "control_d",
        "control_c"
      ]
    ],
    "single_point_failures": [],
    "survival_ratio": 0.75,
    "survived_cases": 12,
    "tested_cases": 16
  },
  "interpretation": {
    "authorizes_execution": false,
    "structural_only": true,
    "survival_ratio_is_probability": false
  },
  "schema_version": "tcm.control.v0.6",
  "system_id": "unknown-agent-fixture"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tensegrity-control-mesh.onrender.com/inspect' \
  -H 'content-type: application/json' \
  --data-raw '{"controls":[{"capacity":1,"direction":"negative","hard":false,"id":"control_a","max_weight":0.8,"min_weight":0.1,"mode":"adaptive","weight":0.3},{"capacity":1,"direction":"negative","hard":false,"id":"control_b","max_weight":0.8,"min_weight":0.1,"mode":"adaptive","weight":0.3},{"capacity":1,"direction":"positive","hard":false,"id":"control_c","max_weight":0.8,"min_weight":0.1,"mode":"adaptive","weight":0.3},{"capacity":1,"direction":"positive","hard":false,"id":"control_d","max_weight":0.8,"min_weight":0.1,"mode":"adaptive","weight":0.3}],"inspection":{"max_depth":2},"schema_version":"tcm.control.v0.6","system_id":"unknown-agent-fixture"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://tensegrity-control-mesh.onrender.com/inspect' \
  -H 'content-type: application/json' \
  --data-raw '{"controls":[{"capacity":1,"direction":"negative","hard":false,"id":"control_a","max_weight":0.8,"min_weight":0.1,"mode":"adaptive","weight":0.3},{"capacity":1,"direction":"negative","hard":false,"id":"control_b","max_weight":0.8,"min_weight":0.1,"mode":"adaptive","weight":0.3},{"capacity":1,"direction":"positive","hard":false,"id":"control_c","max_weight":0.8,"min_weight":0.1,"mode":"adaptive","weight":0.3},{"capacity":1,"direction":"positive","hard":false,"id":"control_d","max_weight":0.8,"min_weight":0.1,"mode":"adaptive","weight":0.3}],"inspection":{"max_depth":2},"schema_version":"tcm.control.v0.6","system_id":"unknown-agent-fixture"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

JavaScript: pay and call

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftensegrity-control-mesh.onrender.com%2Finspect&method=POST
const res = await pay("https://tensegrity-control-mesh.onrender.com/inspect", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "controls": [
      {
        "capacity": 1,
        "direction": "negative",
        "hard": false,
        "id": "control_a",
        "max_weight": 0.8,
        "min_weight": 0.1,
        "mode": "adaptive",
        "weight": 0.3
      },
      {
        "capacity": 1,
        "direction": "negative",
        "hard": false,
        "id": "control_b",
        "max_weight": 0.8,
        "min_weight": 0.1,
        "mode": "adaptive",
        "weight": 0.3
      },
      {
        "capacity": 1,
        "direction": "positive",
        "hard": false,
        "id": "control_c",
        "max_weight": 0.8,
        "min_weight": 0.1,
        "mode": "adaptive",
        "weight": 0.3
      },
      {
        "capacity": 1,
        "direction": "positive",
        "hard": false,
        "id": "control_d",
        "max_weight": 0.8,
        "min_weight": 0.1,
        "mode": "adaptive",
        "weight": 0.3
      }
    ],
    "inspection": {
      "max_depth": 2
    },
    "schema_version": "tcm.control.v0.6",
    "system_id": "unknown-agent-fixture"
  }),
});
console.log(res.status, await res.text());

Python: pay and call

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://tensegrity-control-mesh.onrender.com/inspect",
        json={
            "controls": [
                {
                    "capacity": 1,
                    "direction": "negative",
                    "hard": False,
                    "id": "control_a",
                    "max_weight": 0.8,
                    "min_weight": 0.1,
                    "mode": "adaptive",
                    "weight": 0.3,
                },
                {
                    "capacity": 1,
                    "direction": "negative",
                    "hard": False,
                    "id": "control_b",
                    "max_weight": 0.8,
                    "min_weight": 0.1,
                    "mode": "adaptive",
                    "weight": 0.3,
                },
                {
                    "capacity": 1,
                    "direction": "positive",
                    "hard": False,
                    "id": "control_c",
                    "max_weight": 0.8,
                    "min_weight": 0.1,
                    "mode": "adaptive",
                    "weight": 0.3,
                },
                {
                    "capacity": 1,
                    "direction": "positive",
                    "hard": False,
                    "id": "control_d",
                    "max_weight": 0.8,
                    "min_weight": 0.1,
                    "mode": "adaptive",
                    "weight": 0.3,
                },
            ],
            "inspection": {
                "max_depth": 2,
            },
            "schema_version": "tcm.control.v0.6",
            "system_id": "unknown-agent-fixture",
        },
    )
    print(res.status_code, res.text)

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

When	Result	HTTP	Time	Price
39 min ago	Passed	402	250 ms	$0.01
4 h ago	Passed	402	233 ms	$0.01
7 h ago	Passed	402	250 ms	$0.01
11 h ago	Passed	402	591 ms	$0.01
16 h ago	Passed	402	255 ms	$0.01

Show 10 older checks

21 h ago	Passed	402	253 ms	$0.01
26 h ago	Passed	402	320 ms	$0.01
31 h ago	Passed	402	572 ms	$0.01
37 h ago	Passed	402	617 ms	$0.01
42 h ago	Passed	402	600 ms	$0.01
47 h ago	Passed	402	276 ms	$0.01
2 days ago	Passed	402	245 ms	$0.01
2 days ago	Passed	402	251 ms	$0.01
3 days ago	Passed	402	252 ms	$0.01
3 days ago	Passed	402	249 ms	$0.01

Trust score 82/ 100

Availability (30-day uptime)		30 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		7 / 15
Charges what it lists		10 / 10
Security scan		10 / 10
Verified owner		0 / 10

How the score works

Payment terms

Price: $0.01 per call
Listed at: $0.01
Token: USDC
Networks: Base
Pays to: 0x60c4…39BE

Real usage

Paying agents: 4 in 30 days
Paid calls: 4 in 30 days
Last paid call: 11 days ago

Source: x402 Bazaar settlement data.

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Trust score

[![ToolVet trust score](https://toolvet.app/badge/inspect-4.svg)](https://toolvet.app/s/inspect-4)