MCP For Claude Marketplace
Zod Schema Error Flattener

Zod Schema Error Flattener MCP Connector for Claude

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Transforms complex, deeply nested ZodError objects into flat, field-centric error dictionaries for UI consumption.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner
More Details Connect to Claude

The zod-schema-error-flattener MCP server acts as a bridge between complex validation logic and user-friendly interfaces. It solves the common problem of UI agents dumping massive, raw Zod error stacks into forms by flattening them into readable dictionaries. Using tools like flatten_zod_error, you can transform deep JSON structures into simple field-to-message mappings. You can also use identify_problematic_fields to rank validation failures and validate_error_format to ensure your input is correct before processing.

zoderror-handlingjsonflatteningschema-validation

3 tools expose this connector's capabilities to your AI agent.

identify_problematic_fields

Determine which specific fields in a schema are experiencing the highest frequency of validation failures

validate_error_format

Verify that a provided JSON object conforms to the expected Zod error structure

flatten_zod_error

Transform a raw Zod error object into a flattened, user-friendly dictionary

See how to talk to your AI agent using Zod Schema Error Flattener.

Flatten this Zod error: {"issues": [{"path": ["user", "email"], "message": "Invalid email"}]}

{"flattenedErrors": {"user.email": ["Invalid email"]}, "totalErrorsCount": 1, "hasNestedErrors": true}

Which fields are most problematic in these errors: {"user.name": ["Too short"], "user.age": ["Must be number", "Invalid age"]}

{"failureRanking": [{"field": "user.age", "count": 2}, {"field": "user.name", "count": 1}]}

Is this a valid Zod error structure? {"issues": []}

{"isValid": true, "detectedIssues": []}

It takes raw, nested ZodError JSON objects and flattens them into a simple dictionary where each key is a field name and the value is an array of error messages.

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