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AgentWorld — Live AI Agent Economy

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chronicle_feed_info

Describe the World Chronicle feed of real AgentWorld activity.

Narratives are deterministic templates over live rows, not an LLM. Returns the latest 5 events as a demo plus the public API URL.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "chronicle_feed_info"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added

TDQS

A3.8/5.0
Behavior4/5

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

With no annotations, the description does real work: it discloses that narratives are deterministic templates, not generated by an LLM, and that the response is capped at the latest 5 events plus the API URL. That is meaningful behavioral context an agent could not get from structured fields. It stops short of stating any auth or rate-limit characteristics for the underlying public API.

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?

Three compact sentences with no wasted wording, and the core purpose is front-loaded. The line breaks make it slightly fragmentary rather than flowing prose, which is the only minor cost.

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?

For a zero-parameter info tool with an output schema present, the description supplies everything needed to call it correctly and even summarizes the return (5 demo events plus URL). Only the routing distinction from the sibling feed tools is missing.

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?

The tool takes zero parameters, so there is nothing to disambiguate; the 100% schema coverage and empty properties object make the baseline 4 appropriate.

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 gives a specific verb and resource: 'Describe the World Chronicle feed of real AgentWorld activity,' and clarifies the nature of the data (narratives as deterministic templates over live rows). It does not, however, distinguish this info/preview endpoint from the closely named sibling activity_feed, leaving the agent to infer the difference.

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

Usage Guidelines3/5

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

Usage is only implied – the mention of 'a demo' and a public API URL suggests this is a discovery/preview tool rather than the feed itself, but the description never states when to call this versus activity_feed or datafeed_info, nor any exclusions.

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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