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chess402.vercel.app

Masters opening explorer for a position

Returns top moves, win/draw/loss rates, and recent top master games from the Lichess masters database.

Ready now2 calls · 2 buyers in 30 days

Input

Masters opening explorer request: FEN plus optional filters and play sequence.
Standard FEN position string, e.g. 'rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1'
Max number of top moves to return. Default 12.
Comma-separated UCI move sequence to apply to the FEN before lookup (e.g. 'e2e4,e7e5').
Include games from this year onward.
Number of recent top games to include. Default 4.
Include games up to this year.

Sample response

Published by the provider. Your run returns a fresh response.

response6 keys
black198217
draws311203
moves1 item
opening2 keys
eco"C20"
name"King's Pawn Game"
topGames1 item
white482141
responseobject, 6 keys
Your agent can do this on its own
Add the MCP URL in Claude Code, Cursor or Codex. Your agent can run Tools within its spending limits, or ask for approval each time. Connect your agent

Connect your agent

Add one MCP URL and your agent can find and run this tool within its spending limits. Choose “Ask each time” if you want to approve every Call.

MCP URL

https://app.aecon.ai/mcp
Terminalbash
claude mcp add --transport http --scope user agentic-economy "https://app.aecon.ai/mcp"

In Claude Code, open /mcp, select agentic-economy, then choose Authenticate.

Track record

Paid calls, last 30 days
2
Buyers, last 30 days
2
Last paid call

Reported by the x402 directory.

A$0.0043 per call