How do I install the Protocol Analyzer skill?

Run npx skillmds@latest add a5c-ai/protocol-analyzer in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Protocol Analyzer skill do?

Serial protocol analysis and debugging for common embedded interfaces (I2C, SPI, UART) It is listed under Coding & Dev Tools on SkillMD.

Is Protocol Analyzer safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: docs only. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Protocol Analyzer?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Protocol Analyzer free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Protocol Analyzer?

a5c-ai (@a5c-ai) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Protocol Analyzer by a5c-ai — Agent Skill

Name: Protocol Analyzer
Rating: 4.5 (4 reviews)
Author: a5c-ai

File contents

Protocol Analyzer Skill

Overview

This skill provides serial protocol analysis and debugging capabilities for common embedded communication interfaces including I2C, SPI, and UART.

Capabilities

I2C Analysis

Bus address detection and scanning
Transaction decoding and timing
NACK handling and error detection
Multi-master arbitration analysis
Clock stretching detection
7-bit and 10-bit addressing
Fast mode and fast mode plus support

SPI Analysis

Transaction decoding
Mode configuration (CPOL/CPHA)
Clock frequency analysis
Chip select timing verification
Full-duplex data capture
Multi-slave configurations

UART Analysis

Frame analysis and decoding
Baud rate auto-detection
Parity and stop bit verification
Flow control analysis (RTS/CTS)
Break condition detection
Error frame identification

Timing Analysis

Setup and hold time verification
Clock frequency measurement
Inter-frame timing analysis
Protocol timing compliance
Glitch and noise detection

Integration

Saleae Logic analyzer integration
Sigrok/PulseView support
Protocol decoder libraries
Export to standard formats

Target Processes

device-driver-development.js - Driver debugging and validation
hardware-bring-up.js - Initial communication verification
signal-integrity-testing.js - Protocol signal analysis
bsp-development.js - BSP communication testing

Dependencies

Logic analyzer software (Saleae Logic, Sigrok)
Protocol decoder libraries
Logic analyzer hardware

Usage Context

This skill is invoked when tasks require:

Serial protocol debugging
Communication timing verification
Bus error diagnosis
Protocol compliance testing
Multi-device communication analysis

Protocol Configurations

I2C Standard Settings

i2c:
  mode: standard | fast | fast_plus | high_speed
  addressing: 7bit | 10bit
  clock_stretching: enabled | disabled

SPI Mode Settings

spi:
  mode: 0 | 1 | 2 | 3  # CPOL/CPHA combinations
  bit_order: msb_first | lsb_first
  word_size: 8 | 16 | 32

UART Settings

uart:
  baud_rate: 9600 | 115200 | etc.
  data_bits: 7 | 8 | 9
  parity: none | even | odd
  stop_bits: 1 | 2

---name: protocol-analyzerdescription: Serial protocol analysis and debugging for common embedded interfaces (I2C, SPI, UART)--- # Protocol Analyzer Skill ## Overview This skill provides serial protocol analysis and debugging capabilities for common embedded communication interfaces including I2C, SPI, and UART. ## Capabilities ### I2C Analysis - Bus address detection and scanning - Transaction decoding and timing - NACK handling and error detection - Multi-master arbitration analysis - Clock stretching detection - 7-bit and 10-bit addressing - Fast mode and fast mode plus support ### SPI Analysis - Transaction decoding - Mode configuration (CPOL/CPHA) - Clock frequency analysis - Chip select timing verification - Full-duplex data capture - Multi-slave configurations ### UART Analysis - Frame analysis and decoding - Baud rate auto-detection - Parity and stop bit verification - Flow control analysis (RTS/CTS) - Break condition detection - Error frame identification ### Timing Analysis - Setup and hold time verification - Clock frequency measurement - Inter-frame timing analysis - Protocol timing compliance - Glitch and noise detection ### Integration - Saleae Logic analyzer integration - Sigrok/PulseView support - Protocol decoder libraries - Export to standard formats ## Target Processes - `device-driver-development.js` - Driver debugging and validation - `hardware-bring-up.js` - Initial communication verification - `signal-integrity-testing.js` - Protocol signal analysis - `bsp-development.js` - BSP communication testing ## Dependencies - Logic analyzer software (Saleae Logic, Sigrok) - Protocol decoder libraries - Logic analyzer hardware ## Usage Context This skill is invoked when tasks require: - Serial protocol debugging - Communication timing verification - Bus error diagnosis - Protocol compliance testing - Multi-device communication analysis ## Protocol Configurations ### I2C Standard Settings ```yaml i2c: mode: standard | fast | fast_plus | high_speed addressing: 7bit | 10bit clock_stretching: enabled | disabled ``` ### SPI Mode Settings ```yaml spi: mode: 0 | 1 | 2 | 3 # CPOL/CPHA combinations bit_order: msb_first | lsb_first word_size: 8 | 16 | 32 ``` ### UART Settings ```yaml uart: baud_rate: 9600 | 115200 | etc. data_bits: 7 | 8 | 9 parity: none | even | odd stop_bits: 1 | 2 ```

Frequently asked questions

Protocol Analyzer