MCP server

MCP Selection Lab

io.github.ChanghuLiu/mcp-selection-lab

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Benchmark MCP tool selection with metadata-only routing, collision, abstention, and holdout checks.

Working at last checkAbout 495 tokens per request once connected3 tools

Website Source

https://agenttrustlab.com/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 3
Token cost: About 495 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http mcp-selection-lab https://agenttrustlab.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.mcp-selection-lab]
url = "https://agenttrustlab.com/mcp"

Gemini CLI

{"mcpServers":{"mcp-selection-lab":{"httpUrl":"https://agenttrustlab.com/mcp"}}}

Cursor

{"mcpServers":{"mcp-selection-lab":{"url":"https://agenttrustlab.com/mcp"}}}

VS Code

{"servers":{"mcp-selection-lab":{"type":"http","url":"https://agenttrustlab.com/mcp"}}}

Antigravity

agy mcp add mcp-selection-lab https://agenttrustlab.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"mcp-selection-lab","server_url":"https://agenttrustlab.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mcp-selection-lab","server_url":"https://agenttrustlab.com/mcp"}

Tools

get_selection_report ~96 tokens
Read and agent-enrich an existing public scan report by id; no new target request or model call.
scan_mcp_metadata ~334 tokens
Create a free public report of MCP tool-description routing collisions. Reads discovery metadata (initialize/tools/list) only; never calls target business tools or spends funds. Use a public HTTP(S) URL without credentials, query or fragment. Results use at most 12 tools and 24 generate
selection_lab_info ~65 tokens
Get free service capabilities, limits, privacy and connection details; does not scan a target.

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