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List datasource resource values

datasource_resources
Read-only

List the selectable values behind a widget's advanced settings and filters — campaigns, ad sets, forms, videos, alerts, and so on. describe_datasource says WHICH advanced keys a data view requires; this returns the values to put in them.

Input Schema

NameRequiredDescriptionDefault
paramsNoValues the resource is scoped by — e.g. the campaign id when listing its ad sets. Keyed as describe_datasource names them
resourceYesResource name, e.g. "campaigns"
client_idYesClient id (from list_clients)
datasource_idYesDatasource alias (from datasources), e.g. fb-ads

Output Schema

NameRequiredDescriptionDefault
dataNoThe selectable values for that resource — each with the id to put in the advanced setting or filter, and the label to show.
successYesTrue when the call succeeded.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle",
      -  "surnex",
      -  "jira",
      -  "clickup",
      -  "make",
      -  "freshdesk",
      -  "chart-mogul",
      -  "amplitude",
      -  "harvest",
      -  "zoho-crm",
      -  "clockify",
      -  "adtraction",
      -  "shopify",
      -  "copper",
      -  "help-scout-docs",
      -  "close-crm",
      -  "simplesat",
      -  "help-scout-mailbox"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex",
      +  "jira",
      +  "clickup",
      +  "make",
      +  "freshdesk",
      +  "chart-mogul",
      +  "amplitude",
      +  "harvest",
      +  "zoho-crm",
      +  "clockify",
      +  "adtraction",
      +  "shopify",
      +  "copper",
      +  "help-scout-docs",
      +  "close-crm",
      +  "simplesat",
      +  "help-scout-mailbox"
      +]
  2. Changed1 schema field changed
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle",
      -  "surnex",
      -  "clickup",
      -  "make",
      -  "freshdesk",
      -  "chart-mogul",
      -  "amplitude",
      -  "harvest",
      -  "zoho-crm",
      -  "clockify",
      -  "adtraction",
      -  "shopify",
      -  "copper"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "amazon-advertising",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex",
      +  "jira",
      +  "clickup",
      +  "make",
      +  "freshdesk",
      +  "chart-mogul",
      +  "amplitude",
      +  "harvest",
      +  "zoho-crm",
      +  "clockify",
      +  "adtraction",
      +  "shopify",
      +  "copper",
      +  "help-scout-docs",
      +  "close-crm",
      +  "simplesat",
      +  "help-scout-mailbox"
      +]
  3. Changed1 schema field changed
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle",
      -  "surnex",
      -  "clickup",
      -  "make",
      -  "freshdesk",
      -  "chart-mogul",
      -  "amplitude",
      -  "harvest",
      -  "zoho-crm",
      -  "clockify",
      -  "adtraction",
      -  "shopify"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "amazon-advertising",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex",
      +  "clickup",
      +  "make",
      +  "freshdesk",
      +  "chart-mogul",
      +  "amplitude",
      +  "harvest",
      +  "zoho-crm",
      +  "clockify",
      +  "adtraction",
      +  "shopify",
      +  "copper"
      +]
  4. Changed1 schema field changed
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle",
      -  "surnex",
      -  "clickup",
      -  "make",
      -  "freshdesk",
      -  "chart-mogul",
      -  "amplitude",
      -  "harvest",
      -  "zoho-crm",
      -  "clockify",
      -  "adtraction"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "amazon-advertising",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex",
      +  "clickup",
      +  "make",
      +  "freshdesk",
      +  "chart-mogul",
      +  "amplitude",
      +  "harvest",
      +  "zoho-crm",
      +  "clockify",
      +  "adtraction",
      +  "shopify"
      +]
  5. Changed1 schema field changed
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle",
      -  "surnex",
      -  "clickup",
      -  "make",
      -  "freshdesk",
      -  "chart-mogul",
      -  "amplitude",
      -  "harvest"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "amazon-advertising",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex",
      +  "clickup",
      +  "make",
      +  "freshdesk",
      +  "chart-mogul",
      +  "amplitude",
      +  "harvest",
      +  "zoho-crm",
      +  "clockify",
      +  "adtraction"
      +]
  6. Changed1 schema field changed
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle",
      -  "surnex",
      -  "clickup",
      -  "make",
      -  "freshdesk",
      -  "chart-mogul",
      -  "amplitude"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "amazon-advertising",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex",
      +  "clickup",
      +  "make",
      +  "freshdesk",
      +  "chart-mogul",
      +  "amplitude",
      +  "harvest"
      +]
  7. Changed1 schema field changed
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle",
      -  "surnex",
      -  "clickup",
      -  "make",
      -  "freshdesk",
      -  "chart-mogul"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "amazon-advertising",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex",
      +  "clickup",
      +  "make",
      +  "freshdesk",
      +  "chart-mogul",
      +  "amplitude"
      +]
  8. Changed1 schema field changed
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle",
      -  "surnex",
      -  "clickup"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "amazon-advertising",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex",
      +  "clickup",
      +  "make",
      +  "freshdesk",
      +  "chart-mogul"
      +]
  9. Changed1 schema field changed
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle",
      -  "surnex"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "amazon-advertising",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex",
      +  "clickup"
      +]
  10. Changed4 schema fields changed
    • removedInput schema / $schema
      Removed value: -"http://json-schema.org/draft-07/schema#"
    • changedInput schema / properties / datasource_id / enum
      Previous value: -[
      -  "advanced-web-ranking",
      -  "ac",
      -  "adroll",
      -  "ahrefs",
      -  "basecamp",
      -  "brightlocal",
      -  "call-rail",
      -  "drip",
      -  "keywords",
      -  "sendin-blue",
      -  "sendgrid",
      -  "moosend",
      -  "mailer-lite",
      -  "pingdom",
      -  "uptime-robot",
      -  "piwik-pro",
      -  "wordpress",
      -  "pabbly-connect",
      -  "ment",
      -  "twilio",
      -  "switchy",
      -  "vimeo",
      -  "pinterest",
      -  "pinterest-ads",
      -  "gtres",
      -  "paypal",
      -  "gps",
      -  "gs",
      -  "CUSTOM_IMPORT",
      -  "CUSTOM_DATA",
      -  "CALCULATION",
      -  "GOALS",
      -  "str",
      -  "wistia",
      -  "ca-mon",
      -  "convertkit",
      -  "woocommerce",
      -  "xero",
      -  "matomo",
      -  "go-high-level",
      -  "wcs",
      -  "bing-webmaster-tools",
      -  "pipedrive",
      -  "salesforce",
      -  "tiktok",
      -  "tiktok-ads",
      -  "twr",
      -  "twr-ads",
      -  "spf",
      -  "ytbe",
      -  "google-local-services-ads",
      -  "klaviyo",
      -  "gsh",
      -  "ga4",
      -  "lkdin-ads",
      -  "lkdin-pg",
      -  "mlchmp",
      -  "inst-ads",
      -  "inst",
      -  "fb-ads",
      -  "fb-pg",
      -  "gmb",
      -  "serpstat",
      -  "hubspot",
      -  "gadw",
      -  "sem-rush",
      -  "se-ranking",
      -  "microsoft-ads",
      -  "plausible",
      -  "snapchat-ads",
      -  "amazon-advertising",
      -  "microsoft-clarity",
      -  "serp-watch",
      -  "vbout",
      -  "moz",
      -  "chatgpt-ads",
      -  "omnisend",
      -  "airtable",
      -  "nozzle"
      -]New value: +[
      +  "advanced-web-ranking",
      +  "ac",
      +  "adroll",
      +  "ahrefs",
      +  "basecamp",
      +  "brightlocal",
      +  "call-rail",
      +  "drip",
      +  "keywords",
      +  "sendin-blue",
      +  "sendgrid",
      +  "moosend",
      +  "mailer-lite",
      +  "pingdom",
      +  "uptime-robot",
      +  "piwik-pro",
      +  "wordpress",
      +  "pabbly-connect",
      +  "ment",
      +  "twilio",
      +  "switchy",
      +  "vimeo",
      +  "pinterest",
      +  "pinterest-ads",
      +  "gtres",
      +  "paypal",
      +  "gps",
      +  "gs",
      +  "CUSTOM_IMPORT",
      +  "CUSTOM_DATA",
      +  "CALCULATION",
      +  "GOALS",
      +  "str",
      +  "wistia",
      +  "ca-mon",
      +  "convertkit",
      +  "woocommerce",
      +  "xero",
      +  "matomo",
      +  "go-high-level",
      +  "wcs",
      +  "bing-webmaster-tools",
      +  "pipedrive",
      +  "salesforce",
      +  "tiktok",
      +  "tiktok-ads",
      +  "twr",
      +  "twr-ads",
      +  "spf",
      +  "ytbe",
      +  "google-local-services-ads",
      +  "klaviyo",
      +  "gsh",
      +  "ga4",
      +  "lkdin-ads",
      +  "lkdin-pg",
      +  "mlchmp",
      +  "inst-ads",
      +  "inst",
      +  "fb-ads",
      +  "fb-pg",
      +  "gmb",
      +  "serpstat",
      +  "hubspot",
      +  "gadw",
      +  "sem-rush",
      +  "se-ranking",
      +  "microsoft-ads",
      +  "plausible",
      +  "snapchat-ads",
      +  "amazon-advertising",
      +  "microsoft-clarity",
      +  "serp-watch",
      +  "vbout",
      +  "moz",
      +  "chatgpt-ads",
      +  "omnisend",
      +  "airtable",
      +  "nozzle",
      +  "surnex"
      +]
    • removedOutput schema / $schema
      Removed value: -"http://json-schema.org/draft-07/schema#"
    • changedOutput schema / properties / success / description
      Previous value: -"True when the call succeeded. A failure comes back as an error result instead."New value: +"True when the call succeeded."
  11. Changed2 schema fields changed
    • addedInput schema / properties / params / description
      Added value: +"Values the resource is scoped by — e.g. the campaign id when listing its ad sets. Keyed as describe_datasource names them"
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$schema": "http://json-schema.org/draft-07/schema#",
      +  "additionalProperties": false,
      +  "properties": {
      +    "data": {
      +      "description": "The selectable values for that resource — each with the id to put in the advanced setting or filter, and the label to show."
      +    },
      +    "success": {
      +      "description": "True when the call succeeded. A failure comes back as an error result instead.",
      +      "type": "boolean"
      +    }
      +  },
      +  "required": [
      +    "success"
      +  ],
      +  "type": "object"
      +}
  12. First observed

TDQS

A4.2/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false and openWorldHint=true, so the safety profile is covered. The description adds the domain role (supplying option values for advanced settings/filters) but says nothing about result size, pagination, or how values are scoped beyond the schema's params note.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, fully front-loaded: purpose first, then the sibling relationship. No filler and every clause carries information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With an output schema present and full annotation coverage, the description supplies the essential conceptual link (describe_datasource → this tool → advanced keys) for a 4-param, nested-params tool. It stops short of describing pagination or next-step usage (e.g. feeding values into a widget update), which would push it higher.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the baseline is 3. The description's mention of advanced keys loosely maps to the `params`/`resource` semantics, but the schema already documents that params are keyed as describe_datasource names them, so the description adds little parameter detail beyond the structured fields.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a concrete verb ('List') on a specific resource ('selectable values behind a widget's advanced settings and filters') and enumerates examples (campaigns, ad sets, forms, videos, alerts). It explicitly differentiates itself from describe_datasource, so an agent can distinguish the two without opening schemas.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It states the exact division of labor: describe_datasource reports WHICH advanced keys a data view requires, while this tool returns the values to fill them. That is explicit when-to-use and what-the-alternative-does guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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