High-risk tools in Lichess MCP
3 of the 28 tools in Lichess MCP are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at high risk
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lichess_accept_challengeExecuteAccept an incoming chess challenge on Lichess. Start the game with the challenger.
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lichess_auth_startExecuteStart the Lichess OAuth login flow. Opens a browser for authorization. Use this to connect, sign in, or authenticate your Lichess chess account.
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lichess_make_moveExecutePlay a chess move in an active Lichess game using UCI notation (e.g. e2e4, d7d5, e7e8q for promotion). Submit your move during a live game.
Attacks that target this class
High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.