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timing-closure

Orchestrate iterative timing closure for FPGA designs in Vivado.

11|7|Updated Jun 5, 2026
Search Tags:#implementation#synthesis#constraints#timing#fpga#vivado
One-click install
npx skills add https://github.com/LNC0831/oh-my-fpga --skill timing-closure
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: timing-closure
Source: https://github.com/LNC0831/oh-my-fpga/tree/main/skills/timing-closure
Command: npx skills add https://github.com/LNC0831/oh-my-fpga --skill timing-closure

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill solves the complex, iterative challenge of closing timing on FPGA designs by replacing manual trial-and-error with a structured, expert-driven methodology.

Core Features & Use Cases

  • Methodical Iteration: Orchestrates synthesis, implementation, and timing analysis to systematically resolve setup and hold violations.
  • Intelligent Diagnosis: Automatically classifies timing failures into categories like missing constraints, high fanout, or logic depth to apply the safest possible fix.
  • Use Case: When a design fails to meet timing after implementation, this skill guides the AI to analyze critical paths, apply appropriate constraints or strategy changes, and re-run the flow until the design meets all timing requirements.

Quick Start

Invoke the timing-closure skill to analyze the current project and begin the automated process of closing timing on your design.

Frequently Asked Questions about timing-closure

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate FPGA timing closure for setup and hold violations in Vivado?▼

To fix timing violations in FPGA designs, you orchestrate synthesis and implementation runs, diagnose critical paths for issues like missing constraints or high fanout, and iteratively apply safe constraint or strategy optimizations until timing is met.

Why does my FPGA design fail to meet timing after Vivado implementation?▼

FPGA designs fail timing due to setup and hold violations categorized as missing constraints, high fanout, or logic depth, which require diagnosing critical paths and applying targeted constraint or strategy optimizations to resolve.

Can I use this automated timing closure skill with my existing Vivado toolchain?▼

Yes, but you need the SynthPilot MCP server to interface with the Vivado Tcl shell, enabling real-time design metrics retrieval and command execution required for the automated timing closure process.

What is the best way to resolve high fanout and logic depth timing failures in FPGA synthesis?▼

The best way is using an intelligent diagnosis process that classifies timing failures like high fanout or logic depth and applies the safest possible constraint or strategy optimizations during the implementation flow to resolve them.

Do I need the SynthPilot MCP server to run automated timing analysis on FPGA designs?▼

Yes, the SynthPilot MCP server is required to interface with the Vivado Tcl shell for real-time design metrics and command execution, which is necessary to automate the iterative timing closure process.

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