{
  "slug": "next-js-devtools",
  "name": "Next.js DevTools",
  "author": "vercel (GitHub)",
  "category": "Developer tools",
  "tier": "checkable",
  "kind": "stdio",
  "packageSpec": "npm:next-devtools-mcp@0.4.0",
  "sourceUrl": "https://registry.modelcontextprotocol.io/v0/servers/io.github.vercel%2Fnext-devtools-mcp/versions/latest",
  "repoUrl": "https://github.com/vercel/next-devtools-mcp",
  "enrichment": {},
  "current": {
    "verdict": "alive",
    "reason": "all_passed",
    "failedChecks": [],
    "untestedTools": 4,
    "checkedAt": "2026-10-29T06:47:41.829Z",
    "methodologyVersion": "1.0.0",
    "serverVersion": "0.4.0",
    "checks": [
      {
        "id": "L0.reachable",
        "detail": "http undefined",
        "status": "pass",
        "durationMs": 17065
      },
      {
        "id": "L0.tls",
        "status": "skipped"
      },
      {
        "id": "L0.initialize",
        "status": "pass",
        "evidence": {
          "raw": "{\"result\":{\"protocolVersion\":\"2025-11-25\",\"capabilities\":{\"tools\":{}},\"serverInfo\":{\"name\":\"next-devtools-mcp\",\"version\":\"0.4.0\"}},\"jsonrpc\":\"2.0\",\"id\":1}"
        },
        "durationMs": 17065
      },
      {
        "id": "L0.protocol_version",
        "detail": "server reported \"2025-11-25\"; published versions: 2024-11-05, 2025-03-26, 2025-06-18, 2025-11-25",
        "status": "pass"
      },
      {
        "id": "L0.capabilities",
        "detail": "tools",
        "status": "pass"
      },
      {
        "id": "L1.server_info",
        "detail": "next-devtools-mcp 0.4.0",
        "status": "pass"
      },
      {
        "id": "L1.tools_list",
        "detail": "4 tools",
        "status": "pass"
      },
      {
        "id": "L1.tool_schemas",
        "detail": "4 schemas valid",
        "status": "pass"
      },
      {
        "id": "L1.resources_list",
        "detail": "resources capability not declared",
        "status": "skipped"
      },
      {
        "id": "L1.prompts_list",
        "detail": "prompts capability not declared",
        "status": "skipped"
      },
      {
        "id": "L1.unknown_method",
        "status": "pass",
        "evidence": {
          "raw": "{\"jsonrpc\":\"2.0\",\"id\":3,\"error\":{\"code\":-32601,\"message\":\"Method not found\"}}"
        },
        "durationMs": 3
      },
      {
        "id": "L1.envelope",
        "detail": "3 replies valid",
        "status": "pass"
      },
      {
        "id": "L2.call_ok",
        "tool": "browser_eval",
        "detail": "mutation_name",
        "status": "untested"
      },
      {
        "id": "L2.call_ok",
        "tool": "nextjs_call",
        "detail": "not_annotated_read_only",
        "status": "untested"
      },
      {
        "id": "L2.call_ok",
        "tool": "nextjs_docs",
        "detail": "not_annotated_read_only",
        "status": "untested"
      },
      {
        "id": "L2.call_ok",
        "tool": "nextjs_index",
        "detail": "not_annotated_read_only",
        "status": "untested"
      },
      {
        "id": "L2.timeout",
        "detail": "no calls made",
        "status": "skipped"
      }
    ],
    "metrics": {
      "callMs": [],
      "toolsListMs": 5,
      "initializeMs": 17065
    },
    "facts": {
      "authModel": "none",
      "transport": "stdio",
      "capabilities": [
        "tools"
      ],
      "toolAnnotations": {
        "readOnly": 0,
        "unmarked": 4,
        "destructive": 0
      },
      "credentialsInUrl": false
    }
  },
  "l3": {
    "uptime": {
      "24h": null,
      "7d": 1,
      "30d": 1
    },
    "sampleSize": {
      "24h": 0,
      "7d": 1,
      "30d": 1
    },
    "latency": {
      "initialize": {
        "p50": null,
        "p95": null
      },
      "calls": {
        "p50": null,
        "p95": null
      }
    },
    "flakiness": null,
    "versionDrift": []
  },
  "history": [
    {
      "startedAt": "2026-10-29T06:47:24.692Z",
      "runKind": "full",
      "l0Ok": true,
      "verdict": "alive"
    }
  ]
}