PROBLEM

MCP Servers Cause Rapid Context Bloat and Token Waste

MCP servers (like playwright-mcp) return full unfiltered responses (e.g., complete accessibility snapshots) instead of filtered output, causing agents to exhaust context windows and waste tokens compared to CLI-based tools.

Updated: 5/22/2026

Use mcp-content-guard or similar MCP wrapper that monitors response sizes and forces agents to apply filtering when responses exceed thresholds. Alternatively, implement agent-side filtering logic that processes MCP responses before storing in context. Benchmark token usage to measure savings.

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