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Excession Labs: site search and security test requests MCP Server

by excessionlabs Your server? Claim it
answering

Excession Labs: site search and security test requests is answering right now. Last checked 14 min ago. It exposes 4 tools. Last commit 9 Nov 2026.

Search excessionlabs.ai, the site of Excession Labs, a security lab, and request a security test.

Uptime history 5 hours of history
5 hours agonow
100.0%
Uptime 24h
18 of 18 checks
4
Tools
read from the server
277 ms
Response time
average over 24h
0
Stars
last commit 9 Nov 2026

Nothing serious here today

Today is the operative word: we check Excession Labs: site search and security test requests every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

run in your terminal
claude mcp add site --transport http https://excessionlabs.ai/mcp
Settings → Connectors → Add custom connector, then paste this address
https://excessionlabs.ai/mcp
~/.codex/config.toml
[mcp_servers.site]
url = "https://excessionlabs.ai/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "site": {
      "url": "https://excessionlabs.ai/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "site": {
      "type": "http",
      "url": "https://excessionlabs.ai/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

how
how_to_contact
Return the ways a person can contact Excession Labs: the request form, email, and the request_security_test tool for agents.
page
get_page
Read one public page of excessionlabs.ai as Markdown. Use a path from search_site or llms.txt.
request
request_security_test
Send a request for a security test (web application, API, multi-tenant SaaS isolation or AI application) to Excession Labs on behalf of a person who asked for it. Needs an agent key (POST https://excessionlabs.ai/agent/auth, then Authorization: Bearer <key>). Excession Labs replies to the person by email to agree scope; testing starts only after a written scope and written authorization from the system owner. Never include passwords, API keys or customer data. Limits: 5 requests a day per key, 3 a day per email address.
site
search_site
Search the public pages and research notes on excessionlabs.ai. Returns titles, URLs and one-line summaries.

Endpoints

URLTransportStateLatencyChecked
https://excessionlabs.ai/mcp streamable-http answering 132 ms 14 min ago

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Excession Labs: site search and security test requests — questions

Answers built from our own checks of this server.

What can Excession Labs: site search and security test requests do?
It exposes 4 tools, read directly from the server on our last check. Among them: get_page, how_to_contact, request_security_test, search_site. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Excession Labs: site search and security test requests working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 18 of 18 checks got a reply (100.0%), average response time 277 ms. The bar chart above shows every period we have measured.
How do I connect Excession Labs: site search and security test requests?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Excession Labs: site search and security test requests need an API key?
No. Excession Labs: site search and security test requests completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Excession Labs: site search and security test requests?
It answers our handshake in 277 ms on average, which is faster than 49% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Excession Labs: site search and security test requests open source?
The code is open source: it is published under the MIT licence and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at excessionlabs.ai, which runs on its operator's own terms.