sigtap Agent Tools

13 paid x402 tools, USDC/Base. Free check: GET /preview<path>=200 sample. Copy-paste pay: /llms.txt

我該用這個嗎

說明品質

100%

結構描述完整度

93%

命名品質

80%

汙染風險

權限相符程度

100%

協定合規性

100%

發現項目（13）

HIGHTool poisoning patterns detected
MEDIUMTool description contains URL to non-standard domain在 deliverability_audit 中
MEDIUMTool description contains URL to non-standard domain在 email_grade 中
MEDIUMTool description contains URL to non-standard domain在 email_template 中
MEDIUMTool description contains URL to non-standard domain在 hash_text 中
MEDIUMTool description contains URL to non-standard domain在 jwt_decode 中
MEDIUMTool description contains URL to non-standard domain在 uuid_batch 中
MEDIUMTool description contains URL to non-standard domain在 slugify 中
MEDIUMTool description contains URL to non-standard domain在 json_tools 中
MEDIUMTool description contains URL to non-standard domain在 regex_test 中

根據工具定義與協定合規性的自動化分析。

上下文成本

~2,622Token（工具定義）

~1.4 KB典型回應大小

顯著的注意力影響（128k 上下文的 2.05%）

這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。

安裝

一鍵安裝

將以下內容加入你的 `claude_desktop_config.json` 檔案：

{
  "mcpServers": {
    "sigtap-agent-tools": {
      "url": "https://sigtap-mcp.sigtap.workers.dev/mcp"
    }
  }
}

遠端端點

https://sigtap-mcp.sigtap.workers.dev/mcpstreamable-http

它能做什麼

工具清單

List all 12 paid tools with live prices + free preview routes (FREE, no payment)

輸入結構描述

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "server": {
      "type": "string"
    },
    "version": {
      "type": "string"
    },
    "network": {
      "type": "string"
    },
    "currency": {
      "type": "string"
    },
    "facilitator": {
      "type": "string"
    },
    "how_to_pay": {
      "type": "string"
    },
    "paid_tools": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "tool": {
            "type": "string"
          },
          "price_usd": {
            "type": "number"
          },
          "description": {
            "type": "string"
          }
        },
        "required": [
          "tool",
          "price_usd",
          "description"
        ]
      }
    },
    "free_tools": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "free_previews_http": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "docs": {
      "type": "string"
    }
  },
  "required": [
    "server",
    "version",
    "network",
    "currency",
    "paid_tools",
    "free_tools",
    "docs"
  ]
}

SPF/DKIM/DMARC deliverability audit for a sending domain Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/deliverability = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.003 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain to audit, e.g. openai.com"
    }
  },
  "required": [
    "domain"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string"
    },
    "spf": {
      "type": "object"
    },
    "dmarc": {
      "type": "object"
    },
    "dkim": {
      "type": "object"
    },
    "checks": {
      "type": "object"
    },
    "verdict": {
      "type": "string"
    }
  },
  "required": [
    "domain",
    "spf",
    "dmarc",
    "dkim",
    "checks",
    "verdict"
  ]
}

12-point cold email score with concrete fixes Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/grade = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.005 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "subject": {
      "type": "string",
      "description": "Email subject line"
    },
    "body": {
      "type": "string",
      "description": "Plain-text email body"
    }
  },
  "required": [
    "subject",
    "body"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "score": {
      "type": "number"
    },
    "grade": {
      "type": "string"
    },
    "checks": {
      "type": "array",
      "items": {
        "type": "object"
      }
    }
  },
  "required": [
    "score",
    "grade",
    "checks"
  ]
}

Personalized cold email from proven templates Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/template = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.01 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "persona": {
      "type": "string",
      "description": "founder | agency | freelancer"
    },
    "offer": {
      "type": "string",
      "description": "What you are offering"
    },
    "name": {
      "type": "string",
      "description": "Recipient name"
    },
    "company": {
      "type": "string",
      "description": "Recipient company"
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "persona": {
      "type": "string"
    },
    "subject": {
      "type": "string"
    },
    "body": {
      "type": "string"
    },
    "cadence_tips": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  },
  "required": [
    "persona",
    "subject",
    "body",
    "cadence_tips"
  ]
}

SHA-256/384/512, hex, base64, base64url and CRC32 of a UTF-8 string Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/hash = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "text": {
      "type": "string",
      "description": "UTF-8 text to hash"
    }
  },
  "required": [
    "text"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "length": {
      "type": "number"
    },
    "byte_length": {
      "type": "number"
    },
    "sha256": {
      "type": "string"
    },
    "sha384": {
      "type": "string"
    },
    "sha512": {
      "type": "string"
    },
    "hex": {
      "type": "string"
    },
    "base64": {
      "type": "string"
    },
    "base64url": {
      "type": "string"
    },
    "crc32": {
      "type": "string"
    }
  },
  "required": [
    "length",
    "sha256",
    "hex",
    "base64"
  ]
}

Decode a JWT header+payload with safety flags (never verifies the signature) Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/jwt-decode = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "token": {
      "type": "string",
      "description": "JWT to decode"
    }
  },
  "required": [
    "token"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "header": {
      "type": "object"
    },
    "payload": {
      "type": "object"
    },
    "signature": {
      "type": "object"
    },
    "alg": {
      "type": "string"
    },
    "flags": {
      "type": "object"
    }
  },
  "required": [
    "header",
    "payload",
    "alg"
  ]
}

Batch random IDs: UUIDv4, UUIDv7, ULID or nanoid Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/uuid = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "count": {
      "type": "integer",
      "minimum": 1,
      "maximum": 100,
      "description": "How many IDs, 1-100 (default 1)"
    },
    "version": {
      "type": "string",
      "description": "v4 | v7 | ulid | nanoid (default v4)"
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "version": {
      "type": "string"
    },
    "count": {
      "type": "number"
    },
    "ids": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  },
  "required": [
    "version",
    "count",
    "ids"
  ]
}

Unicode-aware url-safe slug (latin + Cyrillic transliteration) Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/slug = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "text": {
      "type": "string",
      "description": "Text to slugify"
    },
    "maxlength": {
      "type": "integer",
      "description": "Max slug length 1-500 (default 60)"
    }
  },
  "required": [
    "text"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "slug": {
      "type": "string"
    },
    "length": {
      "type": "number"
    },
    "maxlength": {
      "type": "number"
    },
    "warnings": {
      "type": "array"
    }
  },
  "required": [
    "slug",
    "length"
  ]
}

Flatten JSON to dot paths or convert rows to CSV Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/json = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "data": {
      "type": "string",
      "description": "JSON string"
    },
    "mode": {
      "type": "string",
      "description": "flatten | csv (default flatten)"
    }
  },
  "required": [
    "data"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string"
    },
    "leaf_count": {
      "type": "number"
    },
    "flattened": {
      "type": "object"
    }
  },
  "required": [
    "mode",
    "leaf_count",
    "flattened"
  ]
}

Regex matches with groups, count and a backtracking-risk heuristic Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/regex = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "pattern": {
      "type": "string",
      "description": "Regular expression"
    },
    "text": {
      "type": "string",
      "description": "Text to search"
    },
    "flags": {
      "type": "string",
      "description": "Regex flags (subset of dgimsuy)"
    }
  },
  "required": [
    "pattern",
    "text"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "pattern": {
      "type": "string"
    },
    "count": {
      "type": "number"
    },
    "matches": {
      "type": "array",
      "items": {
        "type": "object"
      }
    },
    "backtracking_risk": {
      "type": "object"
    }
  },
  "required": [
    "pattern",
    "count",
    "matches"
  ]
}

Coinbase spot/buy/sell price with spread percent Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/crypto-price = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.002 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "from": {
      "type": "string",
      "description": "Base asset code, e.g. BTC"
    },
    "to": {
      "type": "string",
      "description": "Quote asset code, e.g. USD"
    }
  },
  "required": [
    "from",
    "to"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "pair": {
      "type": "string"
    },
    "spot": {
      "type": "number"
    },
    "buy": {
      "type": "number"
    },
    "sell": {
      "type": "number"
    },
    "spread_pct": {
      "type": "number"
    }
  },
  "required": [
    "pair",
    "spot",
    "buy",
    "sell",
    "spread_pct"
  ]
}

Domain registration date, age in days and registrar via RDAP Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/domain-age = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.003 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain to look up"
    }
  },
  "required": [
    "domain"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string"
    },
    "verdict": {
      "type": "string"
    },
    "registration_date": {
      "type": "string"
    },
    "age_days": {
      "type": "number"
    },
    "registrar": {
      "type": "string"
    },
    "registrar_url": {
      "type": "string"
    }
  },
  "required": [
    "domain",
    "verdict",
    "registration_date",
    "age_days",
    "registrar"
  ]
}

Current weather + next 3h temperatures (open-meteo) Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/weather = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on Base, x402)

輸入結構描述

{
  "type": "object",
  "properties": {
    "lat": {
      "type": "number",
      "description": "Latitude -90..90"
    },
    "lon": {
      "type": "number",
      "description": "Longitude -180..180"
    }
  },
  "required": [
    "lat",
    "lon"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "current": {
      "type": "object"
    },
    "next_3h": {
      "type": "array",
      "items": {
        "type": "object"
      }
    }
  },
  "required": [
    "current",
    "next_3h"
  ]
}

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2026年10月2日下午5:05 UTC已驗證未記錄版本13 個工具

2026年9月26日凌晨1:03 UTC已驗證未記錄版本13 個工具

2026年9月19日凌晨2:33 UTC已驗證未記錄版本13 個工具

sigtap Agent Tools

品質與安全性

發現項目（13）

上下文成本

一鍵安裝

遠端端點

工具清單

工具（13）

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