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staffdill

observe-mcp

by staffdill

search_service_logs

Search logs for a specific service, filtering by log level, keyword, and time range to pinpoint issues.

Instructions

Search Observe logs for a specific service. Convenience wrapper around OPAL.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
levelNoFilter by log level
limitNoMax rows (default 100)
keywordNoKeyword to filter log messages
serviceYesService name, e.g. 'api-server'
hours_agoNoHow many hours back to search (default 1)
dataset_pathNoObserve dataset path. Falls back to OBSERVE_DEFAULT_DATASET env var.
Behavior2/5

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

No annotations provided, so description carries full burden. It mentions it's a wrapper but does not disclose behavioral traits such as authentication requirements, error handling, rate limits, or what happens when the service is not found.

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?

Description is very short (two sentences) and front-loaded, which is concise. However, it lacks essential information, so it is not a model of efficient communication; it is under-specified.

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

Completeness2/5

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 provide more context about return values, default behaviors, and what the tool does beyond the schema. It is incomplete for a tool with 6 parameters.

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%, so baseline is 3. The description does not add meaning beyond what the schema already provides for each parameter. It only reiterates that it searches for a specific service.

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?

Description clearly states it searches Observe logs for a specific service, using a specific verb and resource. It distinguishes from siblings like 'search_entity_logs' by being a convenience wrapper around OPAL.

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 guidance on when to use this tool versus alternatives like 'observe_query' or 'search_entity_logs'. The description only says it's a convenience wrapper, without explaining trade-offs or 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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