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gopls-mcp

gopls-mcp is an MCP server for Claude Code, Codex, Cursor, Gemini CLI, OpenCode from erraggy/oastools. Its token cost is not measured, scanned A, original, MIT.

An MCP server that connects the Go language server gopls to the coding agent. A language server understands Go code well enough to locate symbols, definitions, references, and diagnostics.

In plain words
What is it for?
Use it when navigating a Go codebase, finding where symbols are defined or used, and checking compiler or language diagnostics.
Why use it?
It lets the agent investigate Go code and errors through structured queries instead of relying only on text searches.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

Written for no agent in particular: it speaks MCP, so any client can run it. Also seen: listed in a Claude config.

not rated 5 7d ago A scan tokens not measured original MIT
View the source file erraggy/oastools erraggy.github.io
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.

agentmods
npx agentmods add mcp/erraggy/oastools/gopls-mcp
Clone the repo
git clone --depth 1 https://github.com/erraggy/oastools

Made for: Claude Code, Codex, Cursor, Gemini CLI, OpenCode.

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 gopls-mcp

README.md
[![agentmods](https://agentmods.dev/badge/mcp/erraggy/oastools/gopls-mcp.svg)](https://agentmods.dev/mcp/erraggy/oastools/gopls-mcp)
Your own site
<a href="https://agentmods.dev/mcp/erraggy/oastools/gopls-mcp"><img src="https://agentmods.dev/badge/mcp/erraggy/oastools/gopls-mcp.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

gopls-mcp 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 6d 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.

.mcp.json · 10 lines

What it actually says

{
  "gopls-mcp": {
    "type": "stdio",
    "command": "gopls",
    "args": [
      "mcp"
    ],
    "env": {}
  }
}
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. 6d ago First seen · 10 lines scan A f06d4d370aac

Subscribe to this mod's changes

gopls-mcp is an MCP server published in the GitHub repository erraggy/oastools (5 stars, last pushed 7d ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. 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.

GoLanguagesgoopenapiopenapi-specificationopenapi3openapi31swagger
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