Parse and serialize YAML (multi-document, anchors, block scalars) via @mukundakatta/yaml-mcp — 2 tools

{
  "server": "@mukundakatta/yaml-mcp",
  "version": "0.1.0",
  "transport": "stdio",
  "tools": ["to_json", "to_yaml"],
  "calls": 19,
  "success_rate": "100%",
  "p50_ms": 1,
  "traces": [
    {
      "label": "parse-simple",
      "tool": "to_json",
      "args": {
        "text": "name: Alice
age: 30
active: true"
      },
      "result": {
        "value": {
          "name": "Alice",
          "age": 30,
          "active": true
        }
      },
      "ms": 4
    },
    {
      "label": "parse-multi-doc",
      "tool": "to_json",
      "args": {
        "text": "---
name: doc1
---
name: doc2
---
name: doc3",
        "all_documents": true
      },
      "result": {
        "value": [
          {
            "name": "doc1"
          },
          {
            "name": "doc2"
          },
          {
            "name": "doc3"
          }
        ]
      },
      "ms": 1
    },
    {
      "label": "parse-multi-doc-default-THROWS",
      "tool": "to_json",
      "args": {
        "text": "---
name: doc1
---
name: doc2",
        "all_documents": false
      },
      "result": "yaml tool failed: Source contains multiple documents",
      "ms": 1
    },
    {
      "label": "parse-anchors-MERGE-NOT-RESOLVED",
      "tool": "to_json",
      "args": {
        "text": "defaults: &defaults
  timeout: 30
  retries: 3
production:
  <<: *defaults
  timeout: 60"
      },
      "result": {
        "value": {
          "defaults": {
            "timeout": 30,
            "retries": 3
          },
          "production": {
            "<<": {
              "timeout": 30,
              "retries": 3
            },
            "timeout": 60
          }
        }
      },
      "ms": 1,
      "note": "merge key << stays as literal key, not merged"
    },
    {
      "label": "parse-types",
      "tool": "to_json",
      "args": {
        "text": "nothing: null
date: 2026-06-26
pi: 3.14159
hex: 0xFF"
      },
      "result": {
        "value": {
          "nothing": null,
          "date": "2026-06-26",
          "pi": 3.14159,
          "hex": 255
        }
      },
      "ms": 0
    },
    {
      "label": "parse-multiline-literal",
      "tool": "to_json",
      "args": {
        "text": "description: |
  This is a
  multiline string
  with newlines preserved"
      },
      "result": {
        "value": {
          "description": "This is a
multiline string
with newlines preserved
"
        }
      },
      "ms": 1
    },
    {
      "label": "parse-unicode",
      "tool": "to_json",
      "args": {
        "text": "greeting: Merhaba Dünya
emoji: 🌍
turkish: ışık"
      },
      "result": {
        "value": {
          "greeting": "Merhaba Dünya",
          "emoji": "🌍",
          "turkish": "ışık"
        }
      },
      "ms": 0
    },
    {
      "label": "serialize-nested",
      "tool": "to_yaml",
      "args": {
        "value": {
          "database": {
            "host": "db.local",
            "port": 5432,
            "credentials": {
              "user": "admin",
              "pass": "secret"
            }
          }
        }
      },
      "result": "database:
  host: db.local
  port: 5432
  credentials:
    user: admin
    pass: secret
",
      "ms": 1
    },
    {
      "label": "serialize-indent4",
      "tool": "to_yaml",
      "args": {
        "value": {
          "a": {
            "b": {
              "c": "deep"
            }
          }
        },
        "indent": 4
      },
      "result": "a:
    b:
        c: deep
",
      "ms": 0
    },
    {
      "label": "round-trip-parse",
      "tool": "to_json",
      "args": {
        "text": "round: trip
num: 42
"
      },
      "result": {
        "value": {
          "round": "trip",
          "num": 42
        }
      },
      "ms": 0
    }
  ]
}