---
schema: "interfacedelta-service-md/1"
target_key: "sha256:b86aa77aa1e764074701659012b7f98b783e52c654791d394aae6dbeffad2bee"
origin: "https://yappy.biz"
protocols: ["mcp","webmcp"]
observed_at: "2026-11-14T06:44:55.822Z"
generated_at: "2026-11-14T10:26:53.496Z"
record_url: "https://interfacedelta.com/atlas/sha256:b86aa77aa1e764074701659012b7f98b783e52c654791d394aae6dbeffad2bee"
record_api: "https://interfacedelta.com/api/v1/record/services/sha256:b86aa77aa1e764074701659012b7f98b783e52c654791d394aae6dbeffad2bee"
source: "InterfaceDelta atlas"
license_note: "Use of this record is governed by https://interfacedelta.com/terms."
---

# Service record: https://yappy.biz

## Identity
- Origin: https://yappy.biz
- Endpoints: https://yappy.biz/mcp
- Protocols: mcp, webmcp
- Registry names: biz.yappy/yappy
- First retained observation: 2026-11-14T06:44:55.822Z
- Latest observation: 2026-11-14T06:44:55.822Z

## Tools
MCP tools, OpenAPI operations, WebMCP tools and A2A skills; excludes prompts and resources.
Total capabilities: 14; non-tool capabilities: 5.
- Tool 1: check\_mac\_compatibility (mcp); inputs: arch, os\_version; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}
- Tool 2: create\_export\_job (mcp); inputs: format, idempotency\_key, resource; inputs omitted: 0; annotations: {"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}
- Tool 3: get\_export\_job (mcp); inputs: job\_id; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}
- Tool 4: get\_frequently\_asked (mcp); inputs: topic; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}
- Tool 5: get\_latest\_release (mcp); inputs: include\_notes; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}
- Tool 6: get\_pricing\_plans (mcp); inputs: include\_backends; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}
- Tool 7: get\_system\_requirements (mcp); inputs: permissions\_only; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}
- Tool 8: list\_product\_features (mcp); inputs: on\_device\_only; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}
- Tool 9: list\_releases (mcp); inputs: limit; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}
Tools omitted: 0.

## Effect readings (AI)
- Tool 1 (check\_mac\_compatibility): ◇ AI reading; state: counted; none (confidence 0.8); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 2 (create\_export\_job): ◇ AI reading; state: counted; creates (confidence 0.85); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 3 (get\_export\_job): ◇ AI reading; state: counted; reads (confidence 0.88); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 4 (get\_frequently\_asked): ◇ AI reading; state: counted; reads (confidence 0.86); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 5 (get\_latest\_release): ◇ AI reading; state: counted; reads (confidence 0.88); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 6 (get\_pricing\_plans): ◇ AI reading; state: counted; reads (confidence 0.9); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 8 (list\_product\_features): ◇ AI reading; state: counted; reads (confidence 0.88); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 9 (list\_releases): ◇ AI reading; state: counted; reads (confidence 0.92); lens: side-effects@1; model: claude-haiku-5.5.

## Change history
No changes recorded in the retained history.

## Payment rails
- Protocols observed: none.
- HTTP 402 seen in retained observations: false.

## Not covered
- We don't call tools.
- We don't rate or certify.
- We don't publish prices.
- We cover only what was observed.

## Evidence
- Identity: observed / declared; observation time: 2026-11-14T06:44:55.822Z.
- Tools: declared; observation time: 2026-11-14T06:44:55.822Z.
- Effect readings (AI): AI reading; observation time: 2026-11-14T06:44:55.822Z.
- Change history: observed; observation time: 2026-11-14T06:44:55.822Z; change observation times: none.
- Payment rails: observed; observation time: 2026-11-14T06:44:55.822Z.

```json
{
  "schema": "interfacedelta-service-md/1",
  "target_key": "sha256:b86aa77aa1e764074701659012b7f98b783e52c654791d394aae6dbeffad2bee",
  "origin": "https://yappy.biz",
  "protocols": [
    "mcp",
    "webmcp"
  ],
  "observed_at": "2026-11-14T06:44:55.822Z",
  "generated_at": "2026-11-14T10:26:53.496Z",
  "record_url": "https://interfacedelta.com/atlas/sha256:b86aa77aa1e764074701659012b7f98b783e52c654791d394aae6dbeffad2bee",
  "record_api": "https://interfacedelta.com/api/v1/record/services/sha256:b86aa77aa1e764074701659012b7f98b783e52c654791d394aae6dbeffad2bee",
  "source": "InterfaceDelta atlas",
  "license_note": "Use of this record is governed by https://interfacedelta.com/terms.",
  "identity": {
    "origin": "https://yappy.biz",
    "endpoints": [
      "https://yappy.biz/mcp"
    ],
    "protocols": [
      "mcp",
      "webmcp"
    ],
    "registry_names": [
      "biz.yappy/yappy"
    ],
    "first_retained_observation": "2026-11-14T06:44:55.822Z",
    "latest_observation": "2026-11-14T06:44:55.822Z"
  },
  "tools": [
    {
      "name": "check_mac_compatibility",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "arch",
        "os_version"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "none",
            "confidence": 0.8
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "create_export_job",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "format",
        "idempotency_key",
        "resource"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": false,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "creates",
            "confidence": 0.85
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_export_job",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "job_id"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.88
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_frequently_asked",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "topic"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.86
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_latest_release",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "include_notes"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.88
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_pricing_plans",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "include_backends"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.9
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_system_requirements",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "permissions_only"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "effects": null
    },
    {
      "name": "list_product_features",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "on_device_only"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.88
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "list_releases",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "limit"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.92
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    }
  ],
  "capability_count": 14,
  "non_tool_capability_count": 5,
  "tool_count_scope": "MCP tools, OpenAPI operations, WebMCP tools and A2A skills; excludes prompts and resources.",
  "tools_omitted": 0,
  "tools_state": "recorded",
  "changes": [],
  "payment_rails": {
    "protocols": [],
    "http_402_seen": false
  },
  "not_covered": [
    "We don't call tools.",
    "We don't rate or certify.",
    "We don't publish prices.",
    "We cover only what was observed."
  ],
  "evidence": [
    {
      "section": "Identity",
      "classes": [
        "observed",
        "declared"
      ],
      "observed_at": "2026-11-14T06:44:55.822Z"
    },
    {
      "section": "Tools",
      "classes": [
        "declared"
      ],
      "observed_at": "2026-11-14T06:44:55.822Z"
    },
    {
      "section": "Effect readings (AI)",
      "classes": [
        "AI reading"
      ],
      "observed_at": "2026-11-14T06:44:55.822Z"
    },
    {
      "section": "Change history",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-14T06:44:55.822Z",
      "observation_times": []
    },
    {
      "section": "Payment rails",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-14T06:44:55.822Z"
    }
  ]
}
```