Rebar Congestion Check

Rebar Congestion Check MCP Connector for Claude

A+

Analyzes reinforcement density and concrete placement feasibility.

4 tools Official Updated Oct 1, 2026 Official Vinkius Partner

This MCP server provides structural engineering tools to evaluate reinforcement density in concrete sections. It allows AI agents to verify if rebar spacing is sufficient for aggregate passage, ensure mechanical vibrators can access the cage, and calculate a congestion score to prevent honeycombing. Use calculate_clear_spacing to find physical gaps, check_aggregate_passage to verify aggregate flow, evaluate_vibration_access for tool clearance, and get_congestion_score for a density assessment.

rebarconcretestructuralcivil-engineeringconstruction-tech

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

evaluate_vibration_access

Checks if there is enough room for a concrete vibration tool to enter the cage

calculate_clear_spacing

Determines the actual physical gap between rebar elements

check_aggregate_passage

Verifies if the specified concrete aggregate can pass through the rebar cage

get_congestion_score

Provides a high-level assessment of the reinforcement density

See how to talk to your AI agent using Rebar Congestion Check.

Check if 20mm aggregate can pass through a cage with 16mm bars in a 300x300mm section with 40mm cover and 2 layers.

The aggregate can pass through the reinforcement cage.

What is the congestion score for 25mm bars in a 500x500mm section with 50mm cover and 3 layers?

The congestion score is 15, which is considered Low risk.

Will a 40mm vibrator needle fit in a section with 12mm bars and 30mm clear cover?

No, the vibrator needle cannot access the target areas.

You can use the `check_aggregate_passage` tool by providing the bar sizes, section dimensions, and the maximum aggregate diameter.

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