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jagadeesh52423

Redash MCP Server

execute_raw_query

Execute raw SQL directly on a Redash data source to retrieve query results, with support for cached data and query parameters.

Instructions

Execute a raw SQL query directly and return results

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYesSQL query to execute
maxAgeNoMaximum age of cached results in seconds (default: 0)
parametersNoParameters to pass to the query (if any)
dataSourceIdYesID of the data source to execute the query on
Behavior2/5

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

No annotations are provided, so the description must carry the behavioral burden. It fails to disclose that raw SQL may be mutating or require special permissions, and lacks any safety warnings.

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?

One concise, direct sentence with no redundant words; every word earns its place.

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?

Despite full schema coverage, the tool is a raw SQL executor with high risk; the description omits return format and does not warn about potential destructive impact. This leaves significant gaps for an agent.

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% with each parameter described; the description adds no further parameter semantics. Baseline 3 applies as schema does the heavy lifting.

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?

The description uses a specific verb ('Execute') and resource ('raw SQL query') and adds 'directly', which distinguishes it from the sibling 'execute_query' by emphasizing lower-level access.

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 explicit guidance is given on when to use this tool versus alternatives like 'execute_query'. The word 'directly' hints at low-level usage but does not provide clear context 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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