fastCRW Pergamon
Government · US
opendata.maryland.gov
opendata.maryland.gov
Socrata open data portal at opendata.maryland.gov, publishing 5163 public datasets from the publishing organisation, led by the Public Safety category.
Showing the catalogue
GET /v1/data/opendata-maryland-gov/catalog-search1Request
Full-text query over dataset names and descriptions.
Zero-based offset into the results; step by 20 to page.
1 credit⌘ ↵
Code follows the fields above
curl "https://api.fastcrw.com/v1/data/opendata-maryland-gov/catalog-search?offset=0" \ -H "Authorization: Bearer $FASTCRW_API_KEY"
2Response example
A sample shape. Press Run to see live data from opendata.maryland.gov.
JSON
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"updatedAt": "2025-10-23T15:52:36.000Z",
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"columns_description": [
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"Location",
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"state",
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"Last unit cleared date/time",
"Incident call pickup date/time",
"City. These are mailing address values, not jurisdictions or municipalities.",
"# of seconds from call pickup to first unit arrived on-scene.",
"Crash reports written for the event.",
"… 17 more items"
],
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{},
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],
"download_count": 0,
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},
"classification": {
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"police",
"dispatched",
"services",
"911",
"cad",
"incidents",
"calls"
],
"domain_metadata": [
{
"key": "Dataset-Information_Departments",
"value": "Police, Department of"
},
{
"key": "Dataset-Information_Update-Frequency",
"value": "Daily"
}
]
},
"metadata": {
"domain": "data.montgomerycountymd.gov",
"license": "Public Domain"
},
"permalink": "https://data.montgomerycountymd.gov/d/98cc-bc7d",
"link": "https://data.montgomerycountymd.gov/Public-Safety/Police-Dispatched-Incidents/98cc-bc7d",
"owner": {
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"display_name": "svc dmesb"
},
"creator": {
"id": "uruq-macm",
"user_type": "interactive",
"display_name": "svc dmesb"
}
},
{
"resource": {
"name": "2017 Fire Responses",
"id": "r5ip-vqhr",
"resource_name": null,
"parent_fxf": [
"f362-6fup"
],
"description": "One record for each emergency on which the Fire Department sent apparatus and personnel. More detail is available in the Apparatus Response and Personnel Response data sets.",
"attribution": null,
"attribution_link": null,
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"type": "filter",
"updatedAt": "2025-03-01T00:05:31.000Z",
"createdAt": "2015-11-18T19:08:16.000Z",
"metadata_updated_at": "2025-03-01T00:05:31.000Z",
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"page_views_last_week_log": null,
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},
"columns_name": [
"Property_Use_Code",
"Incident_Number",
"City",
"Property_Use",
"Number_Other_Personnel",
"Number_Medical_Personnel",
"Number_Ambulances",
"Number_Engines",
"State",
"Incident_Type_Code",
"… 13 more items"
],
"columns_field_name": [
"property_use_code",
"incident_number",
"city",
"property_use",
"number_other_personnel",
"number_medical_personnel",
"number_ambulances",
"number_engines",
"state",
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"… 13 more items"
],
"columns_datatype": [
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"… 13 more items"
],
"columns_description": [
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],
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],
"download_count": 0,
"provenance": "community",
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},
"classification": {
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"domain_category": "Public Safety",
"domain_tags": [
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],
"domain_metadata": [
{
"key": "Additional-Metadata_Coverage",
"value": "2012-2017"
},
{
"key": "Additional-Metadata_Frequency",
"value": "Continuous"
},
{
"key": "Additional-Metadata_Publisher",
"value": "Howard County Government"
},
{
"key": "Additional-Metadata_Contributor",
"value": "Howard County Department of FIre and Rescue Services"
}
]
},
"metadata": {
"domain": "opendata.howardcountymd.gov"
},
"permalink": "https://opendata.howardcountymd.gov/d/r5ip-vqhr",
"link": "https://opendata.howardcountymd.gov/Public-Safety/2017-Fire-Responses/r5ip-vqhr",
"owner": {
"id": "5dy4-rh39",
"user_type": "interactive",
"display_name": "DCGoodwin"
},
"creator": {
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}
},
{
"resource": {
"name": "Daily Arrests",
"id": "xhwt-7h2h",
"resource_name": null,
"parent_fxf": [],
"description": "This dataset provides the public with arrest information from the Montgomery County Central Processing Unit (CPU) systems. The data presented is derived from every booking; criminal, civil and motor vehicle entered through CPU. The data is compiled by “CRIMS”, a respected jail records-management system used by the Montgomery County Corrections and many other law enforcement agencies. To protect arrestee’s privacy, personal information is redacted. Residential addresses are rounded to the nearest hundred block. All data is refreshed on 2 hour basis to reflect any additions or changes. \r\n-Information that may include mechanical or human error \r\n-Arrest information [Note: all arrested persons are presumed innocent until proven guilty in a court of law\r\n- Records will be removed after 30 days.\r\nUpdate Frequency - every 2 hours",
"attribution": "Montgomery County, MD",
"attribution_link": null,
"contact_email": null,
"type": "dataset",
"updatedAt": "2026-10-23T19:31:11.000Z",
"createdAt": "2016-03-09T12:49:30.000Z",
"metadata_updated_at": "2023-01-26T21:17:35.000Z",
"data_updated_at": "2026-10-23T19:31:11.000Z",
"page_views": {
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"page_views_total": 0,
"page_views_last_week_log": null,
"page_views_last_month_log": null,
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},
"columns_name": [
"ARREST DATE",
"STATE",
"FIRST NAME",
"AGE",
"STREET",
"OFFENSE",
"CITY",
"MIDDLE NAME",
"LAST NAME"
],
"columns_field_name": [
"arrest_date",
"state",
"first_name",
"age",
"street",
"offense",
"city",
"middle_name",
"last_name"
],
"columns_datatype": [
"Calendar date",
"Text",
"Text",
"Number",
"Text",
"Text",
"Text",
"Text",
"Text"
],
"columns_description": [
"Date the person was arrested\n\n",
"State of home address\n",
"First Name of the person arrested\n\n",
"Age of the person arrested\n\n",
"Home address of the person arrest down to the 100 block\n",
"The most severe offense the person was charged with\n\n",
"City of home address\n\n",
"Middlle Name of the person arrested\n\n",
"Last Name of the person arrested\n\n"
],
"columns_format": [
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},
{
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},
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},
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},
{
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{
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},
{
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}
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"locked": false,
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"publication_date": "2016-05-11T15:14:52.000Z"
},
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"domain_tags": [
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"arrestee",
"daily",
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"prison",
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],
"domain_metadata": [
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"value": "Police, Department of"
},
{
"key": "Dataset-Information_Update-Frequency",
"value": "Multiple Times Daily"
}
]
},
"metadata": {
"domain": "data.montgomerycountymd.gov",
"license": "Public Domain"
},
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"link": "https://data.montgomerycountymd.gov/Public-Safety/Daily-Arrests/xhwt-7h2h",
"owner": {
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},
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}
},
{
"resource": {
"name": "Parking Garage Space Availability",
"id": "qahs-fevu",
"resource_name": null,
"parent_fxf": [],
"description": "This dataset includes parking spaces availability for Montgomery County Public Parking Facilities. This dataset only includes facilities that are equipped with vehicle counting systems.\r\n\r\nUpdate frequency: Every few minutes",
"attribution": null,
"attribution_link": null,
"contact_email": null,
"type": "dataset",
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},
"columns_name": [
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],
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],
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],
"columns_description": [
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"The unique number assigned to a facility distinguishing it from the other facilities. Each facility's number falls between 0-99. ",
"The total number of vehicle parking spaces within the facility",
"The total number of parking spaces available within the facility."
],
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},
{
"align": "left"
},
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},
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"public facility",
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],
"domain_metadata": [
{
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"value": "Transportation, Department of"
},
{
"key": "Dataset-Information_Update-Frequency",
"value": "Multiple Times Daily"
}
]
},
"metadata": {
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},
"permalink": "https://data.montgomerycountymd.gov/d/qahs-fevu",
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},
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],
"resultSetSize": 5163,
"timings": {
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20,
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},
"warnings": []
}Attribution: Source: opendata.maryland.gov. Dataset attribution as stated by each publishing agency.
Licence: Datasets on this portal declare the licence "Public Domain" in their Socrata metadata; the portal publishes no separate API licence and different datasets may carry different terms. Quoted as found in the portal's own catalogue.
Ask with this source
A prompt for your agent that names this source and how to call it through the crw MCP.
Catalogue search
Use opendata.maryland.gov (opendata-maryland-gov) from fastCRW Pergamon, capability "Catalogue search" (catalog-search). You want to find a dataset on this portal by keyword and do not know its four-by-four id. Example options: q=taxi, offset=0, order=page_views_total DESC. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "opendata-maryland-gov" and capability "catalog-search". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>
Dataset metadata
Use opendata.maryland.gov (opendata-maryland-gov) from fastCRW Pergamon, capability "Dataset metadata" (dataset). You already hold a dataset id and need its columns, licence or description before querying rows. Example options: id=8cve-88mw. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "opendata-maryland-gov" and capability "dataset". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>
Dataset inventory
Use opendata.maryland.gov (opendata-maryland-gov) from fastCRW Pergamon, capability "Dataset inventory" (datasets). You need to enumerate what this portal publishes, or page through its newest datasets. Example options: offset=0, order=createdAt, category=Transportation. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "opendata-maryland-gov" and capability "datasets". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>
Row count
Use opendata.maryland.gov (opendata-maryland-gov) from fastCRW Pergamon, capability "Row count" (row-count). You need to know how large a dataset is before downloading it, or want a cheap liveness check. Example options: id=8cve-88mw. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "opendata-maryland-gov" and capability "row-count". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>