Render an interactive chess board with the given position. Shows the board visually for a single position. Use this for displaying a specific chess position from FEN notation.
Part of the Chessagine server.
Free to start. No card required.
AI agents call render_chess_board to retrieve information from Chessagine without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though render_chess_board only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"render_chess_board": {}
}
}See the full Chessagine policy for all 37 tools.
These attack patterns abuse exactly the kind of access render_chess_board gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Render an interactive chess board with the given position. Shows the board visually for a single position. Use this for displaying a specific chess position from FEN notation.. It is categorised as a Read tool in the Chessagine MCP Server, which means it retrieves data without modifying state.
Register the Chessagine MCP server in PolicyLayer and add a rule for render_chess_board: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Chessagine. Nothing to install.
render_chess_board is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the render_chess_board rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for render_chess_board. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
render_chess_board is provided by the Chessagine MCP server (jalpp/chessagine). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 37 Chessagine tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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