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GET
Coins List (ID Map)
The full CoinGecko identifier map: every listed coin as id, symbol and name. Use it once to resolve a ticker into the id that every other CoinGecko tool requires — bitcoin, not BTC. Set include_platform to also get each coin’s contract address per chain. Mind the size: this returns roughly 18,000 entries and takes several seconds, so cache it instead of calling it per lookup. If you already know the ids and only want numbers, call get_coingecko_simple_price directly; to identify a coin from a contract address instead, use get_coingecko_token_data.
First time? Point any MCP client at https://mcp.aisa.one/mcp — Claude Code, Codex, Cursor, VS Code and the rest. Authorization is OAuth: the client opens a browser, you click Allow once, and there is no key to paste. The commands per client, and what each call costs, are on aisa.one/mcp.
Set this endpoint up in your agent →

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Query Parameters

include_platform
boolean
default:false

Include platform + contract addresses.

Response

200 - application/json

Array of coins.