{
  "schemaVersion": "1.0",
  "item": {
    "slug": "evidence-url-verifier",
    "name": "Evidence URL Verifier",
    "source": "tencent",
    "type": "skill",
    "category": "开发工具",
    "sourceUrl": "https://clawhub.ai/Dalomeve/evidence-url-verifier",
    "canonicalUrl": "https://clawhub.ai/Dalomeve/evidence-url-verifier",
    "targetPlatform": "OpenClaw"
  },
  "install": {
    "downloadMode": "redirect",
    "downloadUrl": "/downloads/evidence-url-verifier",
    "sourceDownloadUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=evidence-url-verifier",
    "sourcePlatform": "tencent",
    "targetPlatform": "OpenClaw",
    "installMethod": "Manual import",
    "extraction": "Extract archive",
    "prerequisites": [
      "OpenClaw"
    ],
    "packageFormat": "ZIP package",
    "includedAssets": [
      "SKILL.md"
    ],
    "primaryDoc": "SKILL.md",
    "quickSetup": [
      "Download the package from Yavira.",
      "Extract the archive and review SKILL.md first.",
      "Import or place the package into your OpenClaw setup."
    ],
    "agentAssist": {
      "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.",
      "steps": [
        "Download the package from Yavira.",
        "Extract it into a folder your agent can access.",
        "Paste one of the prompts below and point your agent at the extracted folder."
      ],
      "prompts": [
        {
          "label": "New install",
          "body": "I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete."
        },
        {
          "label": "Upgrade existing",
          "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run."
        }
      ]
    },
    "sourceHealth": {
      "source": "tencent",
      "status": "healthy",
      "reason": "direct_download_ok",
      "recommendedAction": "download",
      "checkedAt": "2026-04-30T16:55:25.780Z",
      "expiresAt": "2026-05-07T16:55:25.780Z",
      "httpStatus": 200,
      "finalUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=network",
      "contentType": "application/zip",
      "probeMethod": "head",
      "details": {
        "probeUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=network",
        "contentDisposition": "attachment; filename=\"network-1.0.0.zip\"",
        "redirectLocation": null,
        "bodySnippet": null
      },
      "scope": "source",
      "summary": "Source download looks usable.",
      "detail": "Yavira can redirect you to the upstream package for this source.",
      "primaryActionLabel": "Download for OpenClaw",
      "primaryActionHref": "/downloads/evidence-url-verifier"
    },
    "validation": {
      "installChecklist": [
        "Use the Yavira download entry.",
        "Review SKILL.md after the package is downloaded.",
        "Confirm the extracted package contains the expected setup assets."
      ],
      "postInstallChecks": [
        "Confirm the extracted package includes the expected docs or setup files.",
        "Validate the skill or prompts are available in your target agent workspace.",
        "Capture any manual follow-up steps the agent could not complete."
      ]
    },
    "downloadPageUrl": "https://openagent3.xyz/downloads/evidence-url-verifier",
    "agentPageUrl": "https://openagent3.xyz/skills/evidence-url-verifier/agent",
    "manifestUrl": "https://openagent3.xyz/skills/evidence-url-verifier/agent.json",
    "briefUrl": "https://openagent3.xyz/skills/evidence-url-verifier/agent.md"
  },
  "agentAssist": {
    "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.",
    "steps": [
      "Download the package from Yavira.",
      "Extract it into a folder your agent can access.",
      "Paste one of the prompts below and point your agent at the extracted folder."
    ],
    "prompts": [
      {
        "label": "New install",
        "body": "I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete."
      },
      {
        "label": "Upgrade existing",
        "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run."
      }
    ]
  },
  "documentation": {
    "source": "clawhub",
    "primaryDoc": "SKILL.md",
    "sections": [
      {
        "title": "Evidence URL Verifier",
        "body": "Verify evidence URLs are real and accessible."
      },
      {
        "title": "Problem",
        "body": "Evidence links often:\n\nPoint to non-existent resources\nAre placeholders (example.com)\nExpire or get deleted\nDon't match claimed content"
      },
      {
        "title": "1. URL Validation",
        "body": "function Test-EvidenceUrl {\n    param([string]$url)\n    \n    try {\n        $response = Invoke-WebRequest -Uri $url -Method Head -TimeoutSec 10\n        return @{\n            Valid = $true\n            Status = $response.StatusCode\n            ContentType = $response.ContentType\n        }\n    } catch {\n        return @{\n            Valid = $false\n            Error = $_.Exception.Message\n        }\n    }\n}\n\n# Usage\n$result = Test-EvidenceUrl \"https://example.com/artifact\"\nif ($result.Valid) {\n    Write-Host \"URL valid: $($result.Status)\"\n} else {\n    Write-Error \"URL invalid: $($result.Error)\"\n}"
      },
      {
        "title": "2. Content Verification",
        "body": "# Check URL matches claimed content type\n$response = Invoke-WebRequest -Uri $url\nif ($response.ContentType -notlike \"text/*\" -and $expectedType -eq \"text\") {\n    Write-Warning \"Content type mismatch\"\n}\n\n# Check for placeholder text\n$content = $response.Content\nif ($content -match \"lorem ipsum|placeholder|example\") {\n    Write-Warning \"Content appears to be placeholder\"\n}"
      },
      {
        "title": "3. Artifact Existence",
        "body": "# For local paths\nif (Test-Path $artifactPath) {\n    $size = (Get-Item $artifactPath).Length\n    if ($size -eq 0) {\n        Write-Warning \"Artifact file is empty\"\n    }\n} else {\n    Write-Error \"Artifact not found: $artifactPath\"\n}"
      },
      {
        "title": "Executable Completion Criteria",
        "body": "CriteriaVerificationURL resolvesHTTP 200 responseContent matchesType matches expectedNo placeholdersContent is substantiveLocal paths existTest-Path returns true"
      },
      {
        "title": "Privacy/Safety",
        "body": "Don't log full URL contents\nRedact sensitive data in responses\nRespect rate limits (max 1 req/sec)"
      },
      {
        "title": "Self-Use Trigger",
        "body": "Use when:\n\nTask claims evidence artifact\nURL provided as proof\nBefore marking task complete\nAudit of past completions\n\nVerify evidence. Trust but confirm."
      }
    ],
    "body": "Evidence URL Verifier\n\nVerify evidence URLs are real and accessible.\n\nProblem\n\nEvidence links often:\n\nPoint to non-existent resources\nAre placeholders (example.com)\nExpire or get deleted\nDon't match claimed content\nWorkflow\n1. URL Validation\nfunction Test-EvidenceUrl {\n    param([string]$url)\n    \n    try {\n        $response = Invoke-WebRequest -Uri $url -Method Head -TimeoutSec 10\n        return @{\n            Valid = $true\n            Status = $response.StatusCode\n            ContentType = $response.ContentType\n        }\n    } catch {\n        return @{\n            Valid = $false\n            Error = $_.Exception.Message\n        }\n    }\n}\n\n# Usage\n$result = Test-EvidenceUrl \"https://example.com/artifact\"\nif ($result.Valid) {\n    Write-Host \"URL valid: $($result.Status)\"\n} else {\n    Write-Error \"URL invalid: $($result.Error)\"\n}\n\n2. Content Verification\n# Check URL matches claimed content type\n$response = Invoke-WebRequest -Uri $url\nif ($response.ContentType -notlike \"text/*\" -and $expectedType -eq \"text\") {\n    Write-Warning \"Content type mismatch\"\n}\n\n# Check for placeholder text\n$content = $response.Content\nif ($content -match \"lorem ipsum|placeholder|example\") {\n    Write-Warning \"Content appears to be placeholder\"\n}\n\n3. Artifact Existence\n# For local paths\nif (Test-Path $artifactPath) {\n    $size = (Get-Item $artifactPath).Length\n    if ($size -eq 0) {\n        Write-Warning \"Artifact file is empty\"\n    }\n} else {\n    Write-Error \"Artifact not found: $artifactPath\"\n}\n\nExecutable Completion Criteria\nCriteria\tVerification\nURL resolves\tHTTP 200 response\nContent matches\tType matches expected\nNo placeholders\tContent is substantive\nLocal paths exist\tTest-Path returns true\nPrivacy/Safety\nDon't log full URL contents\nRedact sensitive data in responses\nRespect rate limits (max 1 req/sec)\nSelf-Use Trigger\n\nUse when:\n\nTask claims evidence artifact\nURL provided as proof\nBefore marking task complete\nAudit of past completions\n\nVerify evidence. Trust but confirm."
  },
  "trust": {
    "sourceLabel": "tencent",
    "provenanceUrl": "https://clawhub.ai/Dalomeve/evidence-url-verifier",
    "publisherUrl": "https://clawhub.ai/Dalomeve/evidence-url-verifier",
    "owner": "Dalomeve",
    "version": "1.0.0",
    "license": null,
    "verificationStatus": "Indexed source record"
  },
  "links": {
    "detailUrl": "https://openagent3.xyz/skills/evidence-url-verifier",
    "downloadUrl": "https://openagent3.xyz/downloads/evidence-url-verifier",
    "agentUrl": "https://openagent3.xyz/skills/evidence-url-verifier/agent",
    "manifestUrl": "https://openagent3.xyz/skills/evidence-url-verifier/agent.json",
    "briefUrl": "https://openagent3.xyz/skills/evidence-url-verifier/agent.md"
  }
}