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gograph_mocks

Read-onlyIdempotent

Find existing mock or stub implementations of a given interface in test files to avoid duplication when writing Go tests.

Instructions

Find structs in *_test.go files that implement a named interface — test doubles, mocks, and stubs. Equivalent to gograph_implementers with test_only=true; kept for compatibility. Requires .gograph/graph.json — run gograph build . first. Read-only; no side effects. WHEN TO USE: When writing tests and wanting to find existing mock implementations before creating a new one. NOT TO USE: For production interface implementers (use gograph_implementers without test_only); prefer gograph_implementers(test_only=true) for new code. RETURNS: Test-file struct names implementing the interface with file locations; empty when no test mocks exist for the interface.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
interfaceYesThe name of the interface (e.g., 'AuthService')
Behavior5/5

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

Annotations already declare readOnlyHint, destructiveHint, idempotentHint. Description adds prerequisites (requires .gograph/graph.json, run build command), confirms read-only nature, and describes return format including empty result case.

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?

Concise yet informative: purpose, equivalence, prerequisites, side effects, usage guidance, and return format all in a well-structured paragraph without redundant sentences.

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

Completeness5/5

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

Given the tool's simplicity (one parameter, no output schema), the description covers all necessary aspects: purpose, prerequisites, behavior, usage alternatives, and return description.

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 a clear description of the single 'interface' parameter. The description does not add meaning beyond the schema, so baseline score of 3 applies.

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 clearly states the verb 'Find', resource 'structs in *_test.go files that implement a named interface', and distinguishes from sibling gograph_implementers by noting equivalence to test_only=true.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit WHEN TO USE and NOT TO USE sections, with a preferred alternative (gograph_implementers(test_only=true)) and clear context for when to invoke this tool.

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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