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Glama
dbhq-uk

heliograph

Official

heliograph_read_log

Read a captured log in full, including passing and failing entries, to understand failures in context. Each line includes a UTC timestamp for accurate analysis.

Instructions

Read a captured log whole. Every line carries a UTC timestamp. Read all of it, including the parts that worked: a passing probe beside a failing one is the control that says what the failure means. A green exit means the probes that ran passed, not that the work happened.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameNoLog filename. Omit for the most recent.
estateNoWhich estate. Optional when only one is configured.

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. First observedv0.1.0

TDQS

A3.5/5.0
Behavior4/5

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

The verb 'Read' signals a non-mutating operation, and the description explains the meaning of exit statuses. No annotations are present, so the description carries the behavioral burden; it does so reasonably well.

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

Conciseness3/5

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

The description is somewhat verbose and includes repeated emphasis ('Read all of it') and a metaphorical control comparison. It conveys useful context but could be tightened.

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

Completeness3/5

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

No output schema is provided, so the description should clarify the return format. It mentions UTC timestamps and exit semantics, but does not specify the full output structure or error behavior.

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?

The schema already fully describes both parameters ('name' and 'estate') with clear defaults and optionality. The description adds no further parameter detail, so baseline is 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 clearly states the verb 'Read' and the resource 'captured log whole', making the primary purpose obvious. It does not explicitly differentiate from sibling tools like heliograph_logs, but the intent is still clear.

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?

Provides interpretive guidance about reading the whole log and the meaning of a green exit, but does not explicitly state when to prefer this tool over alternatives like heliograph_logs or heliograph_status.

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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