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Lucid Observability Agent

sentry_search_by_trace

Find every Sentry error tied to a specific OpenTelemetry trace ID across projects. Use the trace ID to connect distributed service failures to their reported exceptions.

Instructions

Find all Sentry errors linked to a specific OTel trace ID across projects.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
projectNoLimit to specific project
traceIdYesOTel trace ID (32-char hex)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv3.0.0

TDQS

B3.3/5.0
Behavior3/5

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

No annotations are provided, so the description carries the full behavioral burden. 'Find' implies a read-only lookup and 'across projects' discloses that the search spans projects by default, which is useful scope context, but nothing is said about pagination, result caps, rate limits, or auth requirements.

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?

A single sentence with zero filler, front-loading the verb and resource before the scoping clause. Nothing could be removed without losing information.

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?

With no output schema and no annotations, the description should convey more about what comes back — 'Find all Sentry errors' hints at a list of error records, but result shape, ordering, and any limits remain unstated. Adequate but with clear gaps for a search tool.

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 coverage is 100% and both parameters are documented there, so the baseline is 3. The description only marginally adds meaning, implying that 'project' is an optional narrowing filter via 'across projects' and that traceId is the primary key.

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?

States a specific verb (Find), resource (Sentry errors), and the linking mechanism (OTel trace ID), with the scope 'across projects'. It is distinguishable from issue-list siblings like sentry_list_issues because the entry key is a trace ID, though it does not name any sibling explicitly.

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?

There is no when-to-use guidance, no stated preconditions, and no mention of alternatives such as sentry_list_issues or cross_correlate. The agent must infer that this is the right tool when it already holds a trace ID.

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