Normalize, diff, and validate agent tool-call traces for snapshot testing via @mukundakatta/agentsnap-mcp (npx)

{
  "server": "@mukundakatta/agentsnap-mcp",
  "version": "0.1.0",
  "transport": "stdio",
  "entry": "dist/server.js",
  "tools": ["normalize_trace", "diff_traces", "validate_snapshot"],
  "calls": [
    {
      "tool": "normalize_trace",
      "args": {
        "trace": [
          {
            "name": "search",
            "args": {
              "query": "weather NYC"
            }
          },
          {
            "name": "summarize",
            "args": {
              "text": "sunny 72F"
            },
            "result": "It is sunny."
          }
        ],
        "model": "claude-sonnet-4-20250514",
        "input": "What's the weather?",
        "output": "Sunny and 72F."
      },
      "result_shape": {
        "normalized": {
          "version": 1,
          "model": "claude-sonnet-4-20250514",
          "tools": [
            {
              "name": "search",
              "args": {}
            },
            {
              "name": "summarize",
              "args": {},
              "result": "..."
            }
          ],
          "fingerprint": {
            "node": "v22.x",
            "agentsnap": "0.1.0"
          }
        },
        "hash": "sha256:..."
      },
      "ms": 2
    },
    {
      "tool": "diff_traces",
      "args": {
        "baseline": {
          "tools": [
            {
              "name": "search",
              "args": {
                "query": "test"
              },
              "result": "found"
            }
          ]
        },
        "current": {
          "tools": [
            {
              "name": "search",
              "args": {
                "query": "test"
              },
              "result": "nothing found"
            }
          ]
        }
      },
      "result": {
        "same": true,
        "status": "PASSED"
      },
      "ms": 0,
      "note": "results IGNORED by diff"
    },
    {
      "tool": "diff_traces",
      "args": {
        "baseline": {
          "tools": [
            {
              "name": "fetch",
              "args": {
                "url": "https://err.com"
              }
            }
          ]
        },
        "current": {
          "tools": [
            {
              "name": "fetch",
              "args": {
                "url": "https://other.com"
              }
            }
          ]
        }
      },
      "result": {
        "same": false,
        "status": "TOOLS_CHANGED",
        "changes": [
          {
            "path": "tools[0].args"
          }
        ]
      },
      "ms": 0,
      "note": "args changes detected"
    },
    {
      "tool": "validate_snapshot",
      "args": {
        "snapshot": "normalized output from normalize_trace"
      },
      "result": {
        "valid": true,
        "issues": []
      },
      "ms": 1
    },
    {
      "tool": "normalize_trace",
      "args": {
        "trace": [
          {
            "name": "test",
            "args": {
              "x": 42
            }
          }
        ]
      },
      "result_hash_1": "sha256:c8088fbb...",
      "result_hash_2": "sha256:c8088fbb...",
      "deterministic": true,
      "ms": 0
    }
  ],
  "summary": {
    "total": 19,
    "success": 19,
    "p50_ms": 0
  }
}