tcl-scripting

Generate Tcl scripts for automating EDA tool workflows in Vivado, Quartus, and Design Compiler.

1|1|Updated Jan 29, 2026

Search Tags:#regression #vivado #tcl #eda automation #quartus #synthesis scripting #build reporting

Ready to run

npx skills add https://github.com/KishoreDamam/VLSI-agkit --skill tcl-scripting

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: tcl-scripting
Source: https://github.com/KishoreDamam/VLSI-agkit/tree/main/.agent/skills/tcl-scripting
Command: npx skills add https://github.com/KishoreDamam/VLSI-agkit --skill tcl-scripting

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Tcl scripting is the glue between your design intent and the EDA tool actions you must automate, and debugging Tcl mistakes can derail synthesis, implementation, and report generation.

Core Features & Use Cases

EDA-focused Tcl patterns: Apply correct Tcl constructs for variables, lists, math, and control flow specifically as used in Vivado, Design Compiler, Genus, and Quartus.
Build automation & reusable procedures: Create and reuse procs for project setup, regression launching, and report parsing in a way that’s maintainable across tools.
Tool-correct data handling: Use EDA-tool collection idioms (foreach_in_collection, filter_collection) and safe property access patterns to avoid common automation failures.

Quick Start

Use the tcl-scripting skill to write a Tcl proc that reads a set of input RTL files, runs the appropriate report commands, and saves timestamped output files for later review.

Frequently Asked Questions about tcl-scripting

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

FAQPage Schema

How do I write a Tcl script for automating Vivado or Quartus workflows?▼

Use EDA-focused Tcl patterns to write scripts for Vivado or Quartus workflows by applying correct variable handling, list management, and tool-specific collection idioms like `foreach_in_collection` for reliable synthesis and report automation.

What is the best way to handle errors and arithmetic in EDA Tcl scripting?▼

The best way to handle errors and arithmetic in EDA Tcl scripting is to enforce correct Tcl semantics using `expr` for math, bracing expressions, and `catch`-based error handling. This ensures deterministic failure behavior during synthesis and implementation.

Does this Tcl scripting approach work with Design Compiler and Genus?▼

Yes, this Tcl scripting approach works with Design Compiler and Genus. It applies common EDA-tool idioms for iterating collections and reading properties, ensuring maintainable project setup, regression launching, and report parsing across various synthesis consoles.

How do I create reusable Tcl procedures for EDA build reporting?▼

Create reusable Tcl procedures for EDA build reporting by designing maintainable `procs` that read input RTL files, run appropriate report commands, and save timestamped output files. This approach standardizes regression launching and report parsing across tools.

Why does my Tcl automation fail when iterating over EDA tool collections?▼

Tcl automation often fails when iterating over EDA tool collections due to incorrect data handling. Using proper collection idioms like `filter_collection` and safe property access patterns prevents common automation failures during property reads and iteration.