---
schema: "interfacedelta-service-md/1"
target_key: "sha256:d27b27e2ccefba6b15a27402636bc996ee749debe03cd7b6e684c4657fae6b6b"
origin: "https://huggingface.co"
protocols: ["mcp"]
observed_at: "2026-11-14T08:01:24.947Z"
generated_at: "2026-11-14T10:27:14.989Z"
record_url: "https://interfacedelta.com/atlas/sha256:d27b27e2ccefba6b15a27402636bc996ee749debe03cd7b6e684c4657fae6b6b"
record_api: "https://interfacedelta.com/api/v1/record/services/sha256:d27b27e2ccefba6b15a27402636bc996ee749debe03cd7b6e684c4657fae6b6b"
source: "InterfaceDelta atlas"
license_note: "Use of this record is governed by https://interfacedelta.com/terms."
---

# Service record: https://huggingface.co

## Identity
- Origin: https://huggingface.co
- Endpoints: https://huggingface.co/mcp
- Protocols: mcp
- Registry names: co.huggingface/hf-mcp-server
- First retained observation: 2026-11-14T08:01:24.947Z
- Latest observation: 2026-11-14T08:01:24.947Z

## Tools
MCP tools, OpenAPI operations, WebMCP tools and A2A skills; excludes prompts and resources.
Total capabilities: 162; non-tool capabilities: 158.
- Tool 1: hf\_fs (mcp); inputs: operations; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}
- Tool 2: hf\_whoami (mcp); inputs: none shown; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":false}
- Tool 3: hub\_repo\_details (mcp); inputs: config, limit, offset, operations, repo\_ids, repo\_type, split; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}
- Tool 4: hub\_repo\_search (mcp); inputs: author, filters, limit, query, repo\_types, sort; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}
Tools omitted: 0.

## Effect readings (AI)
- Tool 1 (hf\_fs): ◇ AI reading; state: counted; reads (confidence 0.9); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 1 purpose: ◇ AI reading; Fetches listings, file contents, metadata and model or dataset cards from the Hugging Face Hub, including trending models and papers.; lens: tool-purpose-v1; model: not recorded.
- Tool 2 (hf\_whoami): ◇ AI reading; state: counted; reads (confidence 0.9); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 2 purpose: ◇ AI reading; Reports the signed-in Hugging Face account, its visible organizations, and credential access details, without exposing secret values.; lens: tool-purpose-v1; model: not recorded.
- Tool 3 (hub\_repo\_details): ◇ AI reading; state: counted; reads (confidence 0.88); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 3 purpose: ◇ AI reading; Fetches details for up to ten Hugging Face models, datasets, or Spaces, including metadata, files, and dataset schema or preview rows.; lens: tool-purpose-v1; model: not recorded.
- Tool 4 (hub\_repo\_search): ◇ AI reading; state: counted; reads (confidence 0.9); 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: 2026-11-14T08:01:24.947Z.
- Tools: declared; observation time: 2026-11-14T08:01:24.947Z.
- Effect readings (AI): AI reading; observation time: 2026-11-14T08:01:24.947Z.
- Change history: observed; observation time: 2026-11-14T08:01:24.947Z; change observation times: none.
- Payment rails: observed; observation time: 2026-11-14T08:01:24.947Z.

```json
{
  "schema": "interfacedelta-service-md/1",
  "target_key": "sha256:d27b27e2ccefba6b15a27402636bc996ee749debe03cd7b6e684c4657fae6b6b",
  "origin": "https://huggingface.co",
  "protocols": [
    "mcp"
  ],
  "observed_at": "2026-11-14T08:01:24.947Z",
  "generated_at": "2026-11-14T10:27:14.989Z",
  "record_url": "https://interfacedelta.com/atlas/sha256:d27b27e2ccefba6b15a27402636bc996ee749debe03cd7b6e684c4657fae6b6b",
  "record_api": "https://interfacedelta.com/api/v1/record/services/sha256:d27b27e2ccefba6b15a27402636bc996ee749debe03cd7b6e684c4657fae6b6b",
  "source": "InterfaceDelta atlas",
  "license_note": "Use of this record is governed by https://interfacedelta.com/terms.",
  "identity": {
    "origin": "https://huggingface.co",
    "endpoints": [
      "https://huggingface.co/mcp"
    ],
    "protocols": [
      "mcp"
    ],
    "registry_names": [
      "co.huggingface/hf-mcp-server"
    ],
    "first_retained_observation": "2026-11-14T08:01:24.947Z",
    "latest_observation": "2026-11-14T08:01:24.947Z"
  },
  "tools": [
    {
      "name": "hf_fs",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "operations"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.9
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      },
      "purpose": {
        "marker": "◇ AI reading",
        "text": "Fetches listings, file contents, metadata and model or dataset cards from the Hugging Face Hub, including trending models and papers.",
        "lens": "tool-purpose-v1",
        "model": null
      }
    },
    {
      "name": "hf_whoami",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": false,
        "openWorldHint": false
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.9
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      },
      "purpose": {
        "marker": "◇ AI reading",
        "text": "Reports the signed-in Hugging Face account, its visible organizations, and credential access details, without exposing secret values.",
        "lens": "tool-purpose-v1",
        "model": null
      }
    },
    {
      "name": "hub_repo_details",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "config",
        "limit",
        "offset",
        "operations",
        "repo_ids",
        "repo_type",
        "split"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.88
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      },
      "purpose": {
        "marker": "◇ AI reading",
        "text": "Fetches details for up to ten Hugging Face models, datasets, or Spaces, including metadata, files, and dataset schema or preview rows.",
        "lens": "tool-purpose-v1",
        "model": null
      }
    },
    {
      "name": "hub_repo_search",
      "kind": "mcp.tool",
      "protocol": "mcp",
      "inputs": [
        "author",
        "filters",
        "limit",
        "query",
        "repo_types",
        "sort"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.9
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    }
  ],
  "capability_count": 162,
  "non_tool_capability_count": 158,
  "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": "2026-11-14T08:01:24.947Z"
    },
    {
      "section": "Tools",
      "classes": [
        "declared"
      ],
      "observed_at": "2026-11-14T08:01:24.947Z"
    },
    {
      "section": "Effect readings (AI)",
      "classes": [
        "AI reading"
      ],
      "observed_at": "2026-11-14T08:01:24.947Z"
    },
    {
      "section": "Change history",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-14T08:01:24.947Z",
      "observation_times": []
    },
    {
      "section": "Payment rails",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-14T08:01:24.947Z"
    }
  ]
}
```