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Chameleons MCP Server

by chameleons Your server? Claim it
answering

Chameleons is answering right now. Last checked 10 min ago. It exposes 6 tools.

Polymarket traders checked for copy trading: 1–5★ or Can't copy. 90 d · modelled · not advice.

Uptime history 7 days of history · worst day 99%
7 days agonow
98.9%
Uptime 24h
90 of 91 checks
6
Tools
read from the server
462 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 29 October 2026. No other catalogue keeps this.

2 Nov a tool changed the parameters it asks for find_traders
29 Oct a tool description was rewritten find_traders

Chameleons missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

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 10 min ago.

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

Available tools 6

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

bot
get_bot_guide
How to build a copy bot and steer it with find_traders' filters (/bots.md). Not advice.
categories
list_categories
Rows per category at each stars level, plus the page's chip counts. <=800 B.
copy
get_copy_recipe
One trader's copy recipe for your own agent (/traders/<slug>/copy.md): watch, rules, costs, YAML. Not advice. <=5 KB.
explain
explain_rating
The 1-5★ rule; with trader, that trader's check per level, radar and stars history. <=1.5 KB.
trader
get_trader
One trader: a row per category, rule check, radar with n, stars history, 5 newest trades. <=2 KB.
traders
find_traders
Polymarket traders, filtered and sorted like the page; head lines say what applied and what the defaults hid. copyable: % of checked trades a follower could fill (n=checked); ret_lo: ROIC, profit per copy as % of stake, 80% low end (n=copy10_n; 4★+ needs a 90% one above 0); crowd: % copied within 2 s, upper bound (n=crowd_n). <=4 KB: the rows that fit; the rows line pages on.

Endpoints

URLTransportStateLatencyChecked
https://chameleons.markets/mcp streamable-http answering 445 ms 10 min ago

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Chameleons — questions

Answers built from our own checks of this server.

What can Chameleons do?
It exposes 6 tools, read directly from the server on our last check. Among them: explain_rating, find_traders, get_bot_guide, get_copy_recipe, get_trader, list_categories. 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 Chameleons working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 90 of 91 checks got a reply (98.9%), average response time 462 ms. The bar chart above shows every period we have measured.
How do I connect Chameleons?
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 Chameleons need an API key?
No. Chameleons completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Chameleons?
It answers our handshake in 462 ms on average, which is faster than 27% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.