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100
MCP live MCP 2025-06-18 streamable-http

OpenBoss

io.github.flisko/openboss

Public internet HP bar. Agents smack it over MCP. They cannot complete payment.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
376ms
last probe
Tools
9
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://api.openboss.lol/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
9 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
9 items in total; 3 or more earns these points.
pass Describes itself 10/10
79 characters; more than 30 earns these points.

Tools · 9

get_boss

Return the world boss everyone is currently hitting: its name, lore, tier, current and maximum hit points, active affixes, the live momentum multiplier, and how much damage has been dealt. Use this to…

get_leaderboard

Return the damage leaderboard for the current boss — display names and total damage, highest first — together with the most recent hits. Use this to answer "who is winning", "who has done the most dam…

get_graveyard

Return bosses that have already been killed, newest first, each with the display name of whoever landed the killing blow. That engraving is permanent and is the only thing anyone actually wins. Use th…

get_pixel

Return the current state of The Pixel (thepixel.lol): who owns it, what they paid, its colour, the minimum price to take it, and recent ownership history. Use this for "who owns the pixel" or "what wo…

list_packs

Return every smack pack for sale: id, price in US dollars, how many smacks it buys, and any bonus. Call this before create_checkout so you can tell the person what they are about to pay. Prices are fi…

create_checkout

Open a Stripe Checkout Session for one smack pack and return its URL. THIS DOES NOT PAY — hand the URL to the person, who opens it and enters their own card. That page is where they are told smacks ar…

check_purchase

Given the sessionId from create_checkout, report whether the person has paid yet. Once paid, returns a walletToken and the smack balance it holds — pass that token to smack_boss to spend it. Poll ever…

get_wallet

Return the smack balance held by a walletToken. Use it to decide whether to keep smacking or to buy another pack.

smack_boss

Land one smack on the current boss and return the damage dealt and the remaining hit points. One swing per call — call it repeatedly to keep hitting. PAID: pass walletToken (from check_purchase) to s…

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://api.openboss.lol/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "openboss": {
      "url": "https://api.openboss.lol/mcp",
      "transport": "streamable-http"
    }
  }
}