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Strata MCP Server

answering

Strata is answering right now. Last checked 8 min ago. Last commit 2 Jun 2026.

MCP server for progressive tool usage at any scale (see https://klavis.ai)

Uptime history 48 days of history
48 days agonow
100.0%
Uptime 24h
92 of 92 checks
Tools
hidden behind auth
354 ms
Response time
average over 24h
5805
Stars
last commit 2 Jun 2026

What the code does

We read the source, 27 min ago · rules 3dff92dd89df

A tool parameter reaches a dangerous call

A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.

A tool parameter reaches a file or shell call run_command.command → mcp_servers/local/terminal/src/cli_mcp_server/server.py:354, convert_to_pdf.filename → mcp_servers/local/word/word_document_server/tools/extended_document_tools.py:132, run_command.command → mcp_servers/local/terminal/src/cli_mcp_server/server.py:344
                return subprocess.run(
Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Checks whether it runs in a sandbox mcp_servers/mongodb/src/helpers/container.ts:20
            ["/.dockerenv", "/run/.containerenv", "/var/run/.containerenv"].map(async (file) => {
Executes code built at runtime mcp_servers/12306/src/index.ts:1458
    const rawData = eval(stationNameJS.replace('var station_names =', ''));
childProcess.execFileSync(binPath, process.argv.slice(2), {
Dumps the whole environment mcp_servers/mongodb/src/common/config.ts:164
    const mcpVariables = Object.entries(process.env).filter(
# Install required dependencies for OAuth support
USER root

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

A tool parameter here reaches a dangerous call

That is not a flaw by itself — but it is where things go wrong when it is not the job. We re-read this code on every release. Watch it and you hear from us the day another one appears.

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 8 min ago.

run in your terminal
claude mcp add strata --transport http https://strata.klavis.ai/mcp/
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "strata": {
      "url": "https://strata.klavis.ai/mcp/"
    }
  }
}
~/.codex/config.toml
[mcp_servers.strata]
url = "https://strata.klavis.ai/mcp/"
.cursor/mcp.json
{
  "mcpServers": {
    "strata": {
      "url": "https://strata.klavis.ai/mcp/"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "strata": {
      "url": "https://strata.klavis.ai/mcp/"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.

Endpoints

URLTransportStateLatencyChecked
https://strata.klavis.ai/mcp/ streamable-http needs auth 457 ms 8 min ago

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Strata — questions

Answers built from our own checks of this server.

Why is there no tool list for Strata?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is Strata working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 354 ms. The bar chart above shows every period we have measured.
How do I connect Strata?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own credentials: it refuses anonymous clients.
Does Strata need an API key?
Yes. Every time we knock, Strata answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.
How fast is Strata?
It answers our handshake in 354 ms on average, which is faster than 44% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Strata open source?
Yes — it is published under the Apache-2.0 licence, written in Python, 5 805 stars on GitHub and 32 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.