JSON Payload Depth and Size Limiter

JSON Payload Depth and Size Limiter MCP Connector for Claude

A+

Validate JSON payloads against strict nesting depth and byte size constraints to prevent parser crashes.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

The JSON Payload Depth and Size Limiter MCP server provides a deterministic validation engine for enforcing structural and volumetric constraints on JSON payloads. It prevents downstream system failures like stack overflow or out-of-memory errors by checking nesting depth and byte size without full parsing. Use validate_payload_constraints to check if a payload is safe, analyze_payload_metrics to inspect its structure, or verify_limit_configuration to test your safety thresholds.

json-validationpayload-safetyparser-protectionnesting-depthbyte-size-limitsecurity-tools

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

analyze_payload_metrics

Analyzes the structural profile of a JSON payload

validate_payload_constraints

Validates JSON payload against depth and size constraints

verify_limit_configuration

Verifies if the provided constraints are safe and logical

See how to talk to your AI agent using JSON Payload Depth and Size Limiter.

Is this JSON payload safe to process?

The payload is within the specified limits with an actual depth of 2 and a size of 150 bytes.

What are the metrics for this JSON string?

The analyzed payload has a nesting depth of 5 and a total byte size of 1240 bytes.

Are these limits safe for production?

The configuration is valid, but consider lowering the depth limit to prevent recursion issues in constrained environments.

It uses deterministic character counting to track nesting depth and byte size, identifying risks before a full parse is attempted via `validate_payload_contents`.

Related Connectors