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Lion Reader MCP Server

by lionreader Your server? Claim it
answering

Lion Reader is answering right now. Last checked 6 min ago. Last commit 8 Nov 2026.

Read, search, star and organize your RSS feeds, newsletters and saved articles.

Uptime history 4 days of history
4 days agonow
100.0%
Uptime 24h
91 of 91 checks
—
Tools
hidden behind auth
370 ms
Response time
average over 24h
18
Stars
last commit 8 Nov 2026

What the code does

We read the source, 1 d ago · rules 995398eba69f

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.

                    UPDATE entry_search
                    SET source = (SELECT ${source("e")} FROM entry e WHERE e.rowid = entry_search.rowid)
  execSync(`cargo build ${args}`, { cwd: root, stdio: "inherit" });
Executes code built at runtime src/server/rate-limit/index.ts:205
    const result = (await redis.eval(

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

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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 6 min ago.

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

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URLTransportStateLatencyChecked
https://lionreader.com/api/mcp streamable-http sign-in 474 ms 6 min ago

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Lion Reader — questions

Answers built from our own checks of this server.

Why is there no tool list for Lion Reader?
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 Lion Reader working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 370 ms. The bar chart above shows every period we have measured.
How do I connect Lion Reader?
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. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.
How do you sign in to Lion Reader?
No API key is involved. Lion Reader answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.
How fast is Lion Reader?
It answers our handshake in 370 ms on average, which is faster than 35% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Lion Reader open source?
The code is open source: it is published under the MIT licence, written in TypeScript, 18 stars on GitHub and 35 open issues. The licence covers the code in the repository, not the hosted service at lionreader.com, which runs on its operator's own terms.