---
schema: "interfacedelta-service-md/1"
target_key: "sha256:9605f4eb44d2e30af69f27967c16fe72d3c6540960f0b39d5b86f0950d51b0ec"
origin: "https://mcp.x402-list.com"
protocols: ["mcp"]
observed_at: "2026-11-11T05:05:33.900Z"
generated_at: "2026-11-15T07:24:01.987Z"
record_url: "https://interfacedelta.com/atlas/sha256:9605f4eb44d2e30af69f27967c16fe72d3c6540960f0b39d5b86f0950d51b0ec"
record_api: "https://interfacedelta.com/api/v1/record/services/sha256:9605f4eb44d2e30af69f27967c16fe72d3c6540960f0b39d5b86f0950d51b0ec"
source: "InterfaceDelta atlas"
license_note: "Use of this record is governed by https://interfacedelta.com/terms."
---

# Service record: https://mcp.x402-list.com

## Identity
- Origin: https://mcp.x402-list.com
- Endpoints: https://mcp.x402-list.com/mcp
- Protocols: mcp
- Registry names: com.x402-list/x402-list-mcp
- First retained observation: 2026-11-11T05:05:33.900Z
- Latest observation: 2026-11-11T05:05:33.900Z

## Tools
MCP tools, OpenAPI operations, WebMCP tools and A2A skills; excludes prompts and resources.
Total capabilities: 7; non-tool capabilities: 0.
- Tool 1: x402\_assess\_services (mcp); inputs: payment\_signature\_b64, probe, question, services; inputs omitted: 0; annotations: {"readOnlyHint":false,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}
- Tool 2: x402\_change\_events (mcp); inputs: days, page, per\_page, service, type; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 3: x402\_check\_health (mcp); inputs: include\_services, slug, uptime\_period; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 4: x402\_facilitator\_volumes (mcp); inputs: days, include\_chains, include\_timeseries, page, per\_page, timeframe; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 5: x402\_find\_best\_service (mcp); inputs: category, include\_facilitator\_context, limit, max\_price\_usd, network, prefer, q, require\_verified; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 6: x402\_get\_service (mcp); inputs: include\_series, slug; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 7: x402\_search\_services (mcp); inputs: category, fields, network, page, per\_page, q, signable, sort; inputs omitted: 2; annotations: {"readOnlyHint":true,"openWorldHint":true}
Tools omitted: 0.

## Effect readings (AI)
- Tool 1 (x402\_assess\_services): ◇ AI reading; state: counted; moves_money (confidence 0.8); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 2 (x402\_change\_events): ◇ AI reading; state: counted; reads (confidence 0.88); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 3 (x402\_check\_health): ◇ AI reading; state: counted; reads (confidence 0.92); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 4 (x402\_facilitator\_volumes): ◇ AI reading; state: counted; reads (confidence 0.9); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 5 (x402\_find\_best\_service): ◇ AI reading; state: counted; reads (confidence 0.82); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 6 (x402\_get\_service): ◇ AI reading; state: counted; reads (confidence 0.81); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 7 (x402\_search\_services): ◇ AI reading; state: counted; reads (confidence 0.88); lens: side-effects@1; model: claude-haiku-5.5.

## Change history
No changes recorded in the retained history.

## Payment rails
- Protocols observed: none.
- HTTP 402 seen in retained observations: false.

## Not covered
- We don't call tools.
- We don't rate or certify.
- We don't publish prices.
- We cover only what was observed.

## Evidence
- Identity: observed / declared; observation time: 2026-11-11T05:05:33.900Z.
- Tools: declared; observation time: 2026-11-11T05:05:33.900Z.
- Effect readings (AI): AI reading; observation time: 2026-11-11T05:05:33.900Z.
- Change history: observed; observation time: 2026-11-11T05:05:33.900Z; change observation times: none.
- Payment rails: observed; observation time: 2026-11-11T05:05:33.900Z.

```json
{
  "schema": "interfacedelta-service-md/1",
  "target_key": "sha256:9605f4eb44d2e30af69f27967c16fe72d3c6540960f0b39d5b86f0950d51b0ec",
  "origin": "https://mcp.x402-list.com",
  "protocols": [
    "mcp"
  ],
  "observed_at": "2026-11-11T05:05:33.900Z",
  "generated_at": "2026-11-15T07:24:01.987Z",
  "record_url": "https://interfacedelta.com/atlas/sha256:9605f4eb44d2e30af69f27967c16fe72d3c6540960f0b39d5b86f0950d51b0ec",
  "record_api": "https://interfacedelta.com/api/v1/record/services/sha256:9605f4eb44d2e30af69f27967c16fe72d3c6540960f0b39d5b86f0950d51b0ec",
  "source": "InterfaceDelta atlas",
  "license_note": "Use of this record is governed by https://interfacedelta.com/terms.",
  "identity": {
    "origin": "https://mcp.x402-list.com",
    "endpoints": [
      "https://mcp.x402-list.com/mcp"
    ],
    "protocols": [
      "mcp"
    ],
    "registry_names": [
      "com.x402-list/x402-list-mcp"
    ],
    "first_retained_observation": "2026-11-11T05:05:33.900Z",
    "latest_observation": "2026-11-11T05:05:33.900Z"
  },
  "tools": [
    {
      "name": "x402_assess_services",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "payment_signature_b64",
        "probe",
        "question",
        "services"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": false,
        "destructiveHint": false,
        "idempotentHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "moves_money",
            "confidence": 0.8
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "x402_change_events",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "days",
        "page",
        "per_page",
        "service",
        "type"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.88
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "x402_check_health",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "include_services",
        "slug",
        "uptime_period"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.92
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "x402_facilitator_volumes",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "days",
        "include_chains",
        "include_timeseries",
        "page",
        "per_page",
        "timeframe"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.9
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "x402_find_best_service",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "category",
        "include_facilitator_context",
        "limit",
        "max_price_usd",
        "network",
        "prefer",
        "q",
        "require_verified"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.82
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "x402_get_service",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "include_series",
        "slug"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.81
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "x402_search_services",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "category",
        "fields",
        "network",
        "page",
        "per_page",
        "q",
        "signable",
        "sort"
      ],
      "inputs_omitted": 2,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.88
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    }
  ],
  "capability_count": 7,
  "non_tool_capability_count": 0,
  "tool_count_scope": "MCP tools, OpenAPI operations, WebMCP tools and A2A skills; excludes prompts and resources.",
  "tools_omitted": 0,
  "tools_state": "recorded",
  "changes": [],
  "payment_rails": {
    "protocols": [],
    "http_402_seen": false
  },
  "not_covered": [
    "We don't call tools.",
    "We don't rate or certify.",
    "We don't publish prices.",
    "We cover only what was observed."
  ],
  "evidence": [
    {
      "section": "Identity",
      "classes": [
        "observed",
        "declared"
      ],
      "observed_at": "2026-11-11T05:05:33.900Z"
    },
    {
      "section": "Tools",
      "classes": [
        "declared"
      ],
      "observed_at": "2026-11-11T05:05:33.900Z"
    },
    {
      "section": "Effect readings (AI)",
      "classes": [
        "AI reading"
      ],
      "observed_at": "2026-11-11T05:05:33.900Z"
    },
    {
      "section": "Change history",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-11T05:05:33.900Z",
      "observation_times": []
    },
    {
      "section": "Payment rails",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-11T05:05:33.900Z"
    }
  ]
}
```