Dataset Viewer
The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
openapi: string
info: struct<title: string, version: string, description: string>
child 0, title: string
child 1, version: string
child 2, description: string
servers: list<item: struct<url: string>>
child 0, item: struct<url: string>
child 0, url: string
paths: struct</v1/preflight: struct<get: struct<operationId: string, summary: string, parameters: list<item (... 1009 chars omitted)
child 0, /v1/preflight: struct<get: struct<operationId: string, summary: string, parameters: list<item: struct<name: string, (... 406 chars omitted)
child 0, get: struct<operationId: string, summary: string, parameters: list<item: struct<name: string, in: string, (... 101 chars omitted)
child 0, operationId: string
child 1, summary: string
child 2, parameters: list<item: struct<name: string, in: string, required: bool, schema: struct<type: string>>>
child 0, item: struct<name: string, in: string, required: bool, schema: struct<type: string>>
child 0, name: string
child 1, in: string
child 2, required: bool
child 3, schema: struct<type: string>
child 0, type: string
child 3, responses: struct<200: struct<description: string>>
child 0, 200: struct<description: string>
child 0, description: string
child 1, post: struct<operationId: string, summary: string, requestBody: struct<required: bool, c
...
uct<200: struct<description: string>>
child 0, 200: struct<description: string>
child 0, description: string
child 3, /v1/inspect: struct<get: struct<operationId: string, summary: string, responses: struct<200: struct<description: (... 10 chars omitted)
child 0, get: struct<operationId: string, summary: string, responses: struct<200: struct<description: string>>>
child 0, operationId: string
child 1, summary: string
child 2, responses: struct<200: struct<description: string>>
child 0, 200: struct<description: string>
child 0, description: string
tools: list<item: struct<name: string, description: string, inputSchema: struct<type: string, properties: s (... 86 chars omitted)
child 0, item: struct<name: string, description: string, inputSchema: struct<type: string, properties: struct<url: (... 74 chars omitted)
child 0, name: string
child 1, description: string
child 2, inputSchema: struct<type: string, properties: struct<url: struct<type: string, description: string>>, required: l (... 18 chars omitted)
child 0, type: string
child 1, properties: struct<url: struct<type: string, description: string>>
child 0, url: struct<type: string, description: string>
child 0, type: string
child 1, description: string
child 2, required: list<item: string>
child 0, item: string
to
{'tools': List({'name': Value('string'), 'description': Value('string'), 'inputSchema': {'type': Value('string'), 'properties': {'url': {'type': Value('string'), 'description': Value('string')}}, 'required': List(Value('string'))}})}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 149, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 129, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 544, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 3052, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2559, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2584, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 558, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 440, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 361, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2381, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2309, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
openapi: string
info: struct<title: string, version: string, description: string>
child 0, title: string
child 1, version: string
child 2, description: string
servers: list<item: struct<url: string>>
child 0, item: struct<url: string>
child 0, url: string
paths: struct</v1/preflight: struct<get: struct<operationId: string, summary: string, parameters: list<item (... 1009 chars omitted)
child 0, /v1/preflight: struct<get: struct<operationId: string, summary: string, parameters: list<item: struct<name: string, (... 406 chars omitted)
child 0, get: struct<operationId: string, summary: string, parameters: list<item: struct<name: string, in: string, (... 101 chars omitted)
child 0, operationId: string
child 1, summary: string
child 2, parameters: list<item: struct<name: string, in: string, required: bool, schema: struct<type: string>>>
child 0, item: struct<name: string, in: string, required: bool, schema: struct<type: string>>
child 0, name: string
child 1, in: string
child 2, required: bool
child 3, schema: struct<type: string>
child 0, type: string
child 3, responses: struct<200: struct<description: string>>
child 0, 200: struct<description: string>
child 0, description: string
child 1, post: struct<operationId: string, summary: string, requestBody: struct<required: bool, c
...
uct<200: struct<description: string>>
child 0, 200: struct<description: string>
child 0, description: string
child 3, /v1/inspect: struct<get: struct<operationId: string, summary: string, responses: struct<200: struct<description: (... 10 chars omitted)
child 0, get: struct<operationId: string, summary: string, responses: struct<200: struct<description: string>>>
child 0, operationId: string
child 1, summary: string
child 2, responses: struct<200: struct<description: string>>
child 0, 200: struct<description: string>
child 0, description: string
tools: list<item: struct<name: string, description: string, inputSchema: struct<type: string, properties: s (... 86 chars omitted)
child 0, item: struct<name: string, description: string, inputSchema: struct<type: string, properties: struct<url: (... 74 chars omitted)
child 0, name: string
child 1, description: string
child 2, inputSchema: struct<type: string, properties: struct<url: struct<type: string, description: string>>, required: l (... 18 chars omitted)
child 0, type: string
child 1, properties: struct<url: struct<type: string, description: string>>
child 0, url: struct<type: string, description: string>
child 0, type: string
child 1, description: string
child 2, required: list<item: string>
child 0, item: string
to
{'tools': List({'name': Value('string'), 'description': Value('string'), 'inputSchema': {'type': Value('string'), 'properties': {'url': {'type': Value('string'), 'description': Value('string')}}, 'required': List(Value('string'))}})}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
Surface — agent tool spec
The link-safety layer between an AI agent and the open web. Machine-readable files for agents and tool generators:
mcp_tools.json— MCP tools/list from https://nova-otter-delta-cloud.grok.me/mcpopenapi.json— REST spec (OAS 3.1)llms.txtLocal stdio:npx -y @surfaceapi/mcp. Docs Space: https://huggingface.co/spaces/surfaceapi/surface-agent-docs
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