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MCP server for legal document analysis using FastMCP. Analyzes legal amendments and changes between decree and amendment documents, providing detailed change detection, article comparison, and PDF report generation with S3 integration.
Server has 14 tools with basic schemas and descriptions, but significant gaps limit production readiness. All tools have descriptions (10-150 chars, mostly adequate) and input schemas with type definitions. However, output schemas are undocumented, LLMs cannot predict return structures for chaining. Parameter descriptions are minimal (often just restating the name). No error handling guidance, no recovery paths, and no distinction between retryable vs fatal errors. Tool naming is verb-first (good), but several tools lack clear differentiation (e.g., get_article_content vs get_chapter_content). No tool annotations (readOnlyHint/destructiveHint). Security concern: S3 credentials injected via environment variables (correct pattern), but no audit logging or permission gates visible.
Analyze the impact of amendments on specific articles or clauses
Compare article content before and after amendments
Generate a PDF report of legal amendment analysis and upload to S3
Get list of all articles affected by amendments
Get detailed information about a specific amendment by index
Get all amendments of a specific type
Get the content of a specific article from the decree document
Output schemas undocumented. No tool returns a documented schema, LLMs cannot predict response structure for chaining or field extraction. E.g., get_changes_in_article returns {article_number, changes, total_changes} but this is inferred from code, not declared in tool definition.
No error handling guidance. Tools return bare error dicts (e.g., {error: 'Amendment data not loaded'}) with no recovery path. LLMs cannot determine if error is retryable, user-fixable, or fatal. Missing pattern: error classification and recovery hints.
Inferred effective spec: <=2025-11-25.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-23 | D | 55 | <=2025-11-25 | v2 |
Get all changes for a specific article number from the amendment data
Get all articles in a specific chapter from the decree
Load amendment JSON data from local file or S3 bucket
Load decree JSON data from local file or S3 bucket
Load default decree and amendment documents from S3 bucket
Search amendments by keyword in text or target article
Summarize all changes between decree and amendment documents
No tool annotations. All 14 tools lack readOnlyHint/destructiveHint/idempotentHint. Only generate_pdf_report is marked WRITE in metadata, but tool definition itself has no annotation. LLMs cannot infer safety properties without explicit hints.
Parameter descriptions are minimal. E.g., article_number: 'The article number to retrieve changes for' just restates the name. No format hints, constraints, or examples. Baseline: 72 chars avg; most params here are 30-50 chars.
No pagination support. Tools like summarize_all_changes and search_amendments return unbounded lists. If amendment data grows to 1000+ items, response bloats context window. Missing limit/offset params and total_count in response.