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mahigadamsetty

pyroscope-mcp

pyroscope_connect_query

Send raw JSON requests to any Pyroscope Connect endpoint to retrieve continuous profiling data.

Instructions

Execute any Pyroscope Connect query endpoint with a raw JSON request body.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
bodyYesRaw JSON body for the selected endpoint.
baseUrlNo
endpointYesConnect query endpoint path, e.g. /querier.v1.QuerierService/SelectMergeStacktraces
tenantIdNo
Behavior2/5

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

No annotations are provided, so the description must disclose behavioral traits. It only says 'Execute', which could imply read or write. It does not mention authentication, rate limits, side effects, or response behavior. This is minimal for a generic query tool.

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 a single sentence, which is concise, but for a generic tool that takes a raw JSON body and endpoint, it could benefit from more structure (e.g., example usage). It is not wasteful but also not optimally informative.

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?

Given the lack of output schema and the complexity of a generic query tool (nested body, multiple endpoints), the description is incomplete. It fails to explain how to construct the body, what endpoints are valid, or what the response contains. Users would need external documentation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 50% (body and endpoint have descriptions). The description adds no new semantics beyond repeating the schema descriptions for these two parameters, and leaves baseUrl and tenantId completely undocumented. It does not compensate for the missing schema descriptions.

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 'Execute' and the resource 'Pyroscope Connect query endpoint'. It implies generic query execution, which distinguishes it from sibling tools focused on specific labels or profiles. However, it does not explicitly differentiate from siblings or explain what 'connect query' means.

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?

The description provides no guidance on when to use this tool vs. alternatives. It says 'any' endpoint but does not specify contexts where this is preferred over the specific Pyroscope tools listed as siblings.

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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