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Pollar News

by news.pollar
OverviewDiscussionsAdmin

Get a Pollar thread

get_thread
Read-only

Fetches a single Pollar thread by slug (from list_threads): its thesis, current state-of-play, and the most recent chronicle entries with citations (15 by default, up to 100 with limit). With withHistory, it also includes the last ten changes to the thesis. Returns the thread detail with a canonical url.

Input Schema

NameRequiredDescriptionDefault
slugYesThread slug, e.g. 'demokracje-populizm'
limitNoNumber of most recent chronicle entries
localeNoen
withHistoryNo

Output Schema

NameRequiredDescriptionDefault
idYes
urlYes
nameYes
thesisYes
entriesYes
historyNo
sectionYes
entryCountYes
lastTickAtYes
provenanceYes
stateOfPlayYes
weekHighlightsYes
changeMagnitudeYes
magnitudeReasonYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • addedOutput schema / properties / provenance
      Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "aiGenerated": {
+      "type": "boolean"
+    },
+    "editorialReview": {
+      "enum": [
+        "automated",
+        "human"
+      ],
+      "type": "string"
+    },
+    "label": {
+      "type": "string"
+    },
+    "machineTranslated": {
+      "type": "boolean"
+    },
+    "policyUrl": {
+      "format": "uri",
+      "type": "string"
+    }
+  },
+  "required": [
+    "aiGenerated",
+    "editorialReview",
+    "policyUrl",
+    "label"
+  ],
+  "type": "object"
+}
    • changedOutput schema / required
      Previous value: -[
-  "id",
-  "section",
-  "name",
-  "thesis",
-  "changeMagnitude",
-  "magnitudeReason",
-  "lastTickAt",
-  "entryCount",
-  "url",
-  "stateOfPlay",
-  "weekHighlights",
-  "entries"
-]New value: +[
+  "id",
+  "section",
+  "name",
+  "thesis",
+  "changeMagnitude",
+  "magnitudeReason",
+  "lastTickAt",
+  "entryCount",
+  "url",
+  "provenance",
+  "stateOfPlay",
+  "weekHighlights",
+  "entries"
+]
  2. Changed10 schema fields changed
    • removedOutput schema / properties / changeMagnitude / anyOf
      Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / changeMagnitude / type
      Added value: +[
+  "number",
+  "null"
+]
    • removedOutput schema / properties / history / items / properties / magnitudeReason / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / history / items / properties / magnitudeReason / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / lastTickAt / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / lastTickAt / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / magnitudeReason / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / magnitudeReason / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / stateOfPlay / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / stateOfPlay / type
      Added value: +[
+  "string",
+  "null"
+]
  3. Changed3 schema fields changed
    • addedInput schema / properties / limit
      Added value: +{
+  "default": 15,
+  "description": "Number of most recent chronicle entries",
+  "maximum": 100,
+  "minimum": 1,
+  "type": "integer"
+}
    • removedOutput schema / properties / history / items / properties / stateOfPlay
      Removed value: -{
-  "type": "string"
-}
    • changedOutput schema / properties / history / items / required
      Previous value: -[
-  "tickAt",
-  "thesis",
-  "stateOfPlay",
-  "changeMagnitude",
-  "magnitudeReason",
-  "trigger"
-]New value: +[
+  "tickAt",
+  "thesis",
+  "changeMagnitude",
+  "magnitudeReason",
+  "trigger"
+]
  4. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "changeMagnitude": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "entries": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "body": {
+            "type": "string"
+          },
+          "citations": {
+            "items": {
+              "additionalProperties": false,
+              "properties": {
+                "domain": {
+                  "type": "string"
+                },
+                "title": {
+                  "type": "string"
+                },
+                "url": {
+                  "format": "uri",
+                  "type": "string"
+                }
+              },
+              "required": [
+                "url",
+                "title",
+                "domain"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "headline": {
+            "type": "string"
+          },
+          "occurredAt": {
+            "type": "string"
+          },
+          "significance": {
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "occurredAt",
+          "headline",
+          "body",
+          "citations"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "entryCount": {
+      "type": "number"
+    },
+    "history": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "changeMagnitude": {
+            "type": "number"
+          },
+          "magnitudeReason": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "stateOfPlay": {
+            "type": "string"
+          },
+          "thesis": {
+            "type": "string"
+          },
+          "tickAt": {
+            "type": "string"
+          },
+          "trigger": {
+            "enum": [
+              "scheduled",
+              "signal",
+              "manual"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "tickAt",
+          "thesis",
+          "stateOfPlay",
+          "changeMagnitude",
+          "magnitudeReason",
+          "trigger"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "id": {
+      "type": "string"
+    },
+    "lastTickAt": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "magnitudeReason": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "name": {
+      "type": "string"
+    },
+    "section": {
+      "enum": [
+        "europe",
+        "world",
+        "other"
+      ],
+      "type": "string"
+    },
+    "stateOfPlay": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "thesis": {
+      "type": "string"
+    },
+    "url": {
+      "format": "uri",
+      "type": "string"
+    },
+    "weekHighlights": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "id",
+    "section",
+    "name",
+    "thesis",
+    "changeMagnitude",
+    "magnitudeReason",
+    "lastTickAt",
+    "entryCount",
+    "url",
+    "stateOfPlay",
+    "weekHighlights",
+    "entries"
+  ],
+  "type": "object"
+}
  5. First observed

TDQS

A4.6/5.0
Behavior5/5

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

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?

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?

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

Parameters4/5

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

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?

States a specific verb (Fetches), resource (a single Pollar thread), and identifier (slug), plus what the payload contains (thesis, state-of-play, chronicle entries with citations). It also names the sibling list_threads as the source of the slug, so it is distinguishable from get_entity/get_event/list_threads.

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

Usage Guidelines4/5

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

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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