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paladini

devutils-mcp-server

hash_md5

Generate MD5 hash values from text input to verify data integrity, create checksums, or secure passwords within development workflows.

Instructions

Generate an MD5 hash of the given input string.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
inputYesThe string to hash

Implementation Reference

  • The tool handler for 'hash_md5', which calculates an MD5 hash using the crypto module.
    server.tool(
      "hash_md5",
      "Generate an MD5 hash of the given input string.",
      { input: z.string().describe("The string to hash") },
      async ({ input }) => ({
        content: [
          {
            type: "text" as const,
            text: createHash("md5").update(input).digest("hex"),
          },
        ],
      })
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure but fails to specify the output format (e.g., 32-character hexadecimal string), case sensitivity, or that this is a deterministic pure function with no side effects.

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?

Single sentence with no redundancy. Front-loaded with key action ('Generate') and specific algorithm identifier ('MD5'). Perfect information density for a simple utility tool.

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

Completeness3/5

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

For a 1-parameter utility with full schema coverage and well-known standard behavior, the description is minimally adequate. However, lacking an output schema or annotations, it should specify the return format (hex string) to be complete.

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 the 'input' parameter fully described as 'The string to hash'. The description references the 'given input string' but adds no additional semantic context (e.g., encoding requirements, max length) beyond the schema. Baseline 3 is appropriate.

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 uses specific verb 'Generate' with specific resource 'MD5 hash' and clarifies the input is a 'string'. Naming the specific algorithm (MD5) clearly distinguishes this from sibling hashing tools (hash_sha256, hash_bcrypt, etc.).

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?

Description provides no guidance on when to select MD5 over sibling alternatives like hash_sha256 or hash_bcrypt, nor does it mention MD5's security characteristics (e.g., cryptographically broken) or typical use cases (checksums vs. passwords).

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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