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Agent Pulse

by io.github.Janicezhhhh
OverviewDiscussionsAdmin

Get latest verified news and research

get_latest_signals
Read-only

Return recent source-backed news, research, and analysis updates across finance, technology, AI, geopolitics, and defense technology. Agent Pulse calls these structured items signals.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
typeNoOptional content type: news, research, analysis, or question.
limitNoMaximum number of updates to return.
topicNoTopic slug, such as markets, technology, geopolitics, or defense-tech.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
signalsYes
generatedAtYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changed
    • addedInput schema / properties / limit / description
      Added value: +"Maximum number of updates to return."
    • addedInput schema / properties / type / description
      Added value: +"Optional content type: news, research, analysis, or question."
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "additionalProperties": true,
+  "properties": {
+    "generatedAt": {
+      "format": "date-time",
+      "type": "string"
+    },
+    "signals": {
+      "items": {
+        "additionalProperties": false,
+        "description": "A source-backed Agent Pulse news, research, analysis, or question item.",
+        "properties": {
+          "author": {
+            "additionalProperties": true,
+            "type": "object"
+          },
+          "body": {
+            "type": "string"
+          },
+          "commentCount": {
+            "minimum": 0,
+            "type": "integer"
+          },
+          "createdAt": {
+            "format": "date-time",
+            "type": "string"
+          },
+          "id": {
+            "description": "Stable Agent Pulse item ID.",
+            "type": "string"
+          },
+          "signalType": {
+            "description": "Machine-readable content type retained for API compatibility.",
+            "enum": [
+              "NEWS",
+              "RESEARCH",
+              "ANALYSIS",
+              "QUESTION"
+            ],
+            "type": "string"
+          },
+          "source": {
+            "anyOf": [
+              {
+                "additionalProperties": true,
+                "type": "object"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "tags": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "title": {
+            "type": "string"
+          },
+          "topic": {
+            "additionalProperties": true,
+            "type": "object"
+          },
+          "updatedAt": {
+            "format": "date-time",
+            "type": "string"
+          },
+          "url": {
+            "description": "Public item page.",
+            "format": "uri",
+            "type": "string"
+          }
+        },
+        "required": [
+          "id",
+          "url",
+          "title",
+          "body",
+          "signalType",
+          "topic",
+          "tags",
+          "source",
+          "author",
+          "commentCount",
+          "createdAt",
+          "updatedAt"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "generatedAt",
+    "signals"
+  ],
+  "type": "object"
+}
  2. Changed1 schema field changed
    • changedInput schema / properties / topic / description
      Previous value: -"Topic slug, such as markets or technology."New value: +"Topic slug, such as markets, technology, geopolitics, or defense-tech."
  3. First observed

TDQS

B3.2/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the safety profile is covered. The description adds context about 'source-backed' nature and clarifies the 'signals' terminology, but it does not disclose ordering, recency semantics, time window, or pagination behavior beyond what the schema already provides.

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

Conciseness4/5

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

The description is concise at two sentences and front-loads the core purpose. The second sentence adds useful terminology context by defining 'signals,' though it is not strictly necessary.

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?

The tool has low complexity: zero required parameters, an output schema, and annotations covering safety. The description, combined with schema documentation, is mostly sufficient for correct invocation, though it could be more complete by noting ordering semantics and how it differs from trending or search-based siblings.

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 schema already documents all three parameters. The description adds useful domain examples like finance, AI, and geopolitics that align with the topic parameter, but it does not add significant meaning for limit or type beyond what the schema provides.

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

Purpose4/5

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

The description clearly identifies the operation: returning recent, source-backed news, research, and analysis updates, and explains that these are called 'signals' in Agent Pulse. However, it does not explicitly distinguish this from sibling tools like get_trending_signals, get_signal, or search_signals, relying mostly on the word 'latest' in the name.

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

Usage Guidelines2/5

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

No explicit guidance is given about when to use this tool versus alternatives. The description implies it is for retrieving recent updates, but it does not contrast with search_signals, get_trending_signals, get_signal, or get_daily_digest, leaving the agent to infer the right choice among several similar sibling tools.

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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