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achlens

achlens

by mscott9160-web
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

parse_ach_file

Parse fixed-width ACH records, extract named fields, filter record types, and page results by limit/offset for local ACH file inspection.

Instructions

Parse named ACH fields in a bounded page of records.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "parse_ach_file"
  }
}

Input Schema

NameRequiredDescriptionDefault
pathNo
limitNo
offsetNo
contentNo
record_typesNo
reveal_sensitiveNo

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.2

TDQS

C2.7/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral burden, and it is thin. It does not say whether a path or inline content is expected, what happens to sensitive fields when reveal_sensitive is false, or that parsing is read-only — all critical for a tool exposing a reveal_sensitive toggle. The pagination note is the only behavioral hint.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single well-formed sentence with no filler, front-loading the verb and resource. It is efficient, though arguably too terse for six undocumented parameters.

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?

For a six-parameter tool with zero schema descriptions, no annotations, and dual input modes (path or content), this description is not complete enough to invoke confidently. The output schema covers return values, but input semantics and safety-relevant behavior (reveal_sensitive) remain unaddressed.

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 0% across six parameters, so the description must compensate and does not. It loosely gestures at record_types ('named ACH fields') and limit/offset ('bounded page'), but says nothing about the path-vs-content input choice or the highly consequential reveal_sensitive flag.

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 gives a specific verb ('parse') plus resource ('named ACH fields in a bounded page of records'), which separates it from summarize/validate siblings. However, it never names an alternative or clarifies what distinguishes 'parsing' from validate_ach_file or summarize_ach_file beyond a subtle implication.

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?

There is no when-to-use guidance and no mention of alternatives among the many ACH siblings (validate, summarize, diff, repair). The only contextual hint is 'bounded page of records', which implies paginated extraction but is not framed as usage guidance.

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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