A command that lists the Model Context Protocol (MCP) servers configured in Claude Code, including how each server connects and where its setting came from.

Use it to group servers by STDIO, HTTP, or SSE connection, see whether settings came from a configuration file or plugin, and spot servers needing OAuth sign-in.

It gives you one readable view of the servers Claude Code can use, so you do not have to inspect configuration files manually.

sync-list — Command for Claude Code by Leoyang183/sync-agents-settings

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.

Clone the repo

git clone --depth 1 https://github.com/Leoyang183/sync-agents-settings

Made for: Claude Code.

Or install sync-agents-settings, the plugin that ships this one along with the rest of its 1 skill, 8 commands.

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.

README.md

[![agentmods](https://agentmods.dev/badge/commands/leoyang183/sync-agents-settings/sync-list/github.svg)](https://agentmods.dev/commands/leoyang183/sync-agents-settings/sync-list)

Your own site

<a href="https://agentmods.dev/commands/leoyang183/sync-agents-settings/sync-list"><img src="https://agentmods.dev/badge/commands/leoyang183/sync-agents-settings/sync-list/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.

Your own site · 80×15

<a href="https://agentmods.dev/commands/leoyang183/sync-agents-settings/sync-list"><img src="https://agentmods.dev/badge/commands/leoyang183/sync-agents-settings/sync-list.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 16 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 137 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.

Model	Per session	Once invoked
Fable 5.1	$0.00016	$0.00137
Opus 5.5	$0.00006	$0.00055
Sonnet 5.5	$0.00003	$0.00027
Haiku 4.5	$0.00002	$0.00014

Measured 1mo ago against content hash fbbe77bfc54d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sync-list 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 1mo 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.

commands/sync-list.md · 20 lines

What it actually says

List all MCP servers that Claude Code knows about.

Execution Flow

Run: npx sync-agents-settings list
Present the output to the user in a readable format:
- Group servers by transport type (STDIO, HTTP, SSE)
- Show the source of each server (config = from ~/.claude.json, plugin = from Claude plugin)
- Highlight any servers that require OAuth authentication

Error Handling

If npx fails: suggest npm install -g sync-agents-settings as fallback.

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.

1mo ago First seen · 20 lines · 16 tokens per session scan A fbbe77bfc54d

Subscribe to this mod's changes

sync-list is a command published in the GitHub repository Leoyang183/sync-agents-settings (7 stars, last pushed 6mo ago), licensed MIT. It adds 16 tokens to every session and 137 once invoked, about $0.0001 per session on Opus 5.5. 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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sync-list