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sigrok MCP Server MCP Server

Wraps sigrok-cli for signal analysis: capture data, decode protocols, and query instruments.

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled sigrok MCP Server yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as ghcr.io/kenosinc/sigrok-mcp-server:0.2.0 on oci. Runs locally.

Known issues

10 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 7.

Most discussed

Add filtering and pagination to reduce LLM context consumption

Background

When an LLM calls sigrok-mcp-server tools, every token in the response consumes context window budget. Several tools return large unfiltered datasets that waste tokens.

Current State

  • list_supported_hardware (handlers.go:71-74) — returns ALL 160+ drivers, no filtering
  • list_supported_decoders (handlers.go:76-79) — returns ALL 110+ decoders, no filtering
  • list_input_formats / list_output_formats — returns complete lists (smaller, ~10-20 items)
  • `show_decoder_deta

Read the thread · 2026-02-24 · open · 1 comment

Add --frames support to capture_data tool

Summary

Add a frames parameter to the existing capture_data tool, enabling frame-based acquisition via sigrok-cli's --frames flag.

Background & Motivation

The capture_data tool currently supports two acquisition limit modes:

  • --samples — Stop after N samples
  • --time — Stop after N milliseconds

However, sigrok-cli also supports --frames, which stops after acquiring N frames. This is important for:

  • Oscilloscopes and MSOs — These devices natively operate in frame-b

Read the thread · 2026-03-06 · closed · 0 comments

Add get_device_options and set_device_option tools

Summary

Add two new MCP tools — get_device_options and set_device_option — that allow LLMs to read and write device configuration options without starting a capture.

Background & Motivation

Currently, device options can only be set indirectly via the config parameter of capture_data, and current values can only be seen as part of show_driver_details output (unstructured text). There is no way to:

  • Query the current value of a specific device option (e.g., sample rate, voltag

Read the thread · 2026-03-06 · open · 0 comments

Add render_waveform tool with ASCII art and WaveDrom output

Summary

Add a new render_waveform MCP tool that renders captured signal data as ASCII art or WaveDrom JSON, giving LLMs and humans a visual representation of waveforms.

Background & Motivation

Currently, the server has 13 MCP tools but none that visualize captured waveform data. The workflow gap is:

scan_devices → capture_data → ??? → decode_protocol

After capturing data, neither the LLM nor the human can "see" the waveform. They must jump straight to protocol decoding witho

Read the thread · 2026-03-06 · closed · 0 comments

Add documentation site with MkDocs Material and GitHub Pages

Summary

Set up a documentation site using MkDocs Material, deployed to GitHub Pages at kenosinc.github.io/sigrok-mcp-server.

A dedicated docs site will make the project more accessible to new users by providing structured guides, tool references, and device documentation — beyond what a single README can offer.

Tasks

  • Add mkdocs.yml configuration
  • Restructure docs/ directory with organized sections
    • Getting Started (installation, quick start, firmware)
    • Tools refe

Read the thread · 2026-02-24 · closed · 0 comments

Most recent

Publish Docker image to GitHub Container Registry (ghcr.io)

Summary

Set up automated publishing of the sigrok-mcp-server Docker image to GitHub Container Registry (ghcr.io).

Tasks

  • Create a GitHub Actions workflow for building and pushing the Docker image
    • Trigger on release tags (e.g., v*)
    • Trigger on pushes to main for main tag
  • Support multi-platform builds (linux/amd64, linux/arm64) using docker/build-push-action
  • Tag images appropriately (semver tags, main)
  • Update README and docs with pull instructions

Read the thread · 2026-02-10 · closed · 0 comments

Add SCPI serial device support (DMMs, power supplies via /dev/ttyUSB0)

Background

During a hands-on session, we successfully connected to an OWON XDM1241 DMM via a CH340 USB-to-serial adapter (/dev/ttyUSB0) using SCPI commands at 115200/8N1. The device responded correctly to *IDN? and MEAS? queries from inside the Docker container. However, this required docker exec into the MCP container — there is no MCP tool to interact with serial SCPI devices directly.

What's Needed

1. Validation regex update

The current validOptionRe in `internal/tools

Read the thread · 2026-02-10 · closed · 0 comments

See all 10 reports Pod holds for sigrok MCP Server.

Firsthand observations

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For agents

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