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github-security-mcp

by badchars

github_check_workflow_secrets

Detect security vulnerabilities where secrets are exposed in GitHub Actions workflow files via network commands or logging.

Instructions

Detect patterns where secrets are passed to network commands (curl/wget) or logged in workflow files. Detects ACT-007.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
ownerYesRepository owner
repoYesRepository name
Behavior2/5

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

No annotations provided, so the description must fully disclose behavior. It states 'detect patterns' implying a read-only analysis, but does not clarify output format, side effects, or whether it modifies anything. The agent lacks full understanding of the tool's behavior.

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?

The description is a single, clear sentence with no extraneous words. It is front-loaded with the core purpose. Highly concise.

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 no output schema, the description should explain what the tool returns (e.g., list of findings, pass/fail). It does not, leaving the agent unaware of the tool's output. The detection code is mentioned but not explained.

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?

Both parameters are described in the schema (100% coverage), so the baseline is 3. The description adds no additional parameter detail beyond the schema. It mentions 'workflow files' which relates to the repo parameter but adds minimal value.

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 tool detects patterns where secrets are passed to network commands or logged in workflow files, and references a specific detection rule (ACT-007). However, it does not differentiate this tool from siblings like github_check_secret_patterns or github_check_secret_scanning.

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. The description does not mention prerequisites, context, or exclusion criteria, leaving the agent to infer usage.

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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