lsp

lsp is a skill for Claude Code from mawildoer/atopile-agent-skill. It costs 76 tokens per session (901 once invoked), scanned A, original, MIT.

A semantic code-intelligence service for Atopile .ato files. Atopile is a language for describing electronic circuits and hardware designs.

In plain words
What is it for?
Use it to inspect symbols, find where they are defined or used, view type information, check diagnostics, and format .ato files.
Why use it?
It answers questions about types, symbols, definitions, references, and errors more accurately than searching text alone.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the atopile-dev plugin — 8 skills shipped together

Good fit Use it to inspect symbols, find where they are defined or used, view type information, check diagnostics, and format .ato files.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/mawildoer/atopile-agent-skill/lsp
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add mawildoer/atopile-agent-skill --skill lsp
Clone the repo
git clone --depth 1 https://github.com/mawildoer/atopile-agent-skill

Made for: Claude Code.

Or install atopile-dev, the plugin that ships this one along with the rest of its 8 skills.

Wrote 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.

agentmods badge for lsp

README.md
[![agentmods](https://agentmods.dev/badge/skills/mawildoer/atopile-agent-skill/lsp/github.svg)](https://agentmods.dev/skills/mawildoer/atopile-agent-skill/lsp)
Your own site
<a href="https://agentmods.dev/skills/mawildoer/atopile-agent-skill/lsp"><img src="https://agentmods.dev/badge/skills/mawildoer/atopile-agent-skill/lsp/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.

agentmods 80×15 button for lsp

Your own site · 80×15
<a href="https://agentmods.dev/skills/mawildoer/atopile-agent-skill/lsp"><img src="https://agentmods.dev/badge/skills/mawildoer/atopile-agent-skill/lsp.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 76 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 901 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00076 $0.00901
Opus 5 $0.00038 $0.00451
Sonnet 5 $0.00015 $0.00180
Haiku 4.5 $0.00008 $0.00090

Measured 10d ago against content hash 506e6e632b02, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

lsp 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 10d 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.

skills/lsp/SKILL.md · 69 lines

How it starts

The opening of the file, as written. The whole thing — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Atopile LSP via MCP

The atopile LSP (ato lsp start) can be bridged to MCP (e.g. via mcpls). This gives you semantic access to .ato files beyond what grep/read can provide.

The tool names below assume the MCP server is registered as atopile-lsp. If yours is registered under a different name, substitute the prefix accordingly.

When to Use

  • Understanding a symbol — hover gives type, members, docs, and usage examples
  • Checking for errors — diagnostics surfaces parse errors and warnings after edits
  • Navigating code — definition jumps to where a symbol is declared; references finds all usages
  • Formatting — format_document applies language-specific formatting rules

Prefer these tools over grep when you need type information, interface members, or documentation.

Working Tools

All position params are 1-indexed (as shown in editors).

Tool What it does Key params
mcp__atopile-lsp__get_hover Type info, docs, members, usage examples file_path, line, character
mcp__atopile-lsp__get_diagnostics Parse errors/warnings for a file file_path
mcp__atopile-lsp__get_cached_diagnostics Same as above but from cache (faster) file_path
mcp__atopile-lsp__get_definition Jump to where a symbol is defined file_path, line, character
mcp__atopile-lsp__get_references Find all usages of a symbol file_path, line, character, include_declaration
mcp__atopile-lsp__format_document Format a file with language rules file_path

Tools That May Return Empty

Depending on LSP version, some methods are not yet fully implemented and return no data:

Tool Notes
mcp__atopile-lsp__get_completions May run but return no items
mcp__atopile-lsp__get_code_actions May run but return no actions
mcp__atopile-lsp__get_document_symbols textDocument/documentSymbol may be unimplemented
mcp__atopile-lsp__workspace_symbol_search workspace/symbol may be unimplemented
mcp__atopile-lsp__prepare_call_hierarchy textDocument/prepareCallHierarchy may be unimplemented

Read the full file on GitHub · 69 lines

Changes

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.

  1. 10d ago First seen · 69 lines · 76 tokens per session scan A 506e6e632b02

Subscribe to this mod's changes

lsp is a skill published in the GitHub repository mawildoer/atopile-agent-skill (10 stars, last pushed 2mo ago), licensed MIT. It adds 76 tokens to every session and 901 once invoked, about $0.0004 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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