Borrowing it
Nothing to install: this file belongs to KenosInc/sigrok-mcp-server. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/KenosInc/sigrok-mcp-server/main/CLAUDE.mdgit clone --depth 1 https://github.com/KenosInc/sigrok-mcp-serverWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/kenosinc/sigrok-mcp-server/claude-md)<a href="https://agentmods.dev/instructions/kenosinc/sigrok-mcp-server/claude-md"><img src="https://agentmods.dev/badge/instructions/kenosinc/sigrok-mcp-server/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/kenosinc/sigrok-mcp-server/claude-md"><img src="https://agentmods.dev/badge/instructions/kenosinc/sigrok-mcp-server/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.01005 | $0.01005 |
| Opus 5 | $0.00502 | $0.00502 |
| Sonnet 5 | $0.00201 | $0.00201 |
| Haiku 4.5 | $0.00101 | $0.00101 |
Grade A, and why
sigrok-mcp-server CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
Documentation Language
All documentation, code comments, commit messages, and PR descriptions in this repository must be written in English.
Project Overview
sigrok-mcp-server is an MCP (Model Context Protocol) server that wraps sigrok-cli, exposing sigrok's signal analysis capabilities to LLMs. It translates MCP tool calls into sigrok-cli invocations and returns structured results, enabling LLMs to control logic analyzers, decode protocols, and analyze signals.
Written in Go. Licensed under MIT (Kenos, Inc.).
Language & Build
- Language: Go
- Module:
github.com/KenosInc/sigrok-mcp-server - Build:
go build ./... - Run tests:
go test ./... - Run single test:
go test ./... -run TestName - Lint:
go vet ./... - Tidy dependencies:
go mod tidy
Code Style
- Follow standard Go conventions (
gofmt,go vet) - Use table-driven tests with
t.Run()subtests - Error handling: return errors, don't panic; wrap with
fmt.Errorf("context: %w", err) - Naming: follow Go conventions — exported names in PascalCase, unexported in camelCase
- Keep packages small and focused; avoid circular dependencies
Architecture
- MCP Server (Go): Implements the MCP protocol, receives tool calls from LLMs, and delegates to
sigrok-cli. - sigrok-cli wrapper: Constructs and executes
sigrok-clicommands, parses output, and returns structured responses.sigrok-cliis the sole interface to sigrok — no C bindings or libsigrok dependency. - Docker container: The MCP server runs inside a Docker container with
sigrok-clipre-installed. - Transport: MCP communication uses stdio (stdin/stdout JSON-RPC).
Package Structure
cmd/sigrok-mcp-server/— Entrypoint (main.go): wires config, executor, handlers, starts stdio serverinternal/config/— Env-based configuration (SIGROK_CLI_PATH,SIGROK_TIMEOUT_SECONDS,SIGROK_WORKING_DIR)internal/sigrok/— CLI executor (Executor) and output parsers; testdata/ contains golden output filesinternal/serial/— Serial port querier for direct instrument communication (independent of sigrok-cli)internal/devices/— Device profile registry with embedded JSON profiles; supports lookup by name, model, or*IDN?responseinternal/tools/— MCP tool definitions (tools.go) and handler implementations (handlers.go)
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 9d ago First seen · 87 lines · 1,005 tokens per session scan A ae606b74047f
sigrok-mcp-server CLAUDE.md is an instructions file published in the GitHub repository KenosInc/sigrok-mcp-server (10 stars, last pushed 23d ago), licensed MIT. It adds 1,005 tokens to every session, about $0.0050 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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