16 tools. 12 can modify or destroy data without limits.
12 write tools that can modify data. Rate limits recommended.
Last updated:
Write operations (add-comment, add-comments, add-label) modify state. Without rate limits, an agent can make hundreds of changes in seconds — faster than any human can review or revert.
Intercept sits between your agent and Trello MCP Server. Every tool call checked against your policy before it executes — so your agent can do its job without breaking things.
npx -y @policylayer/intercept scan -- npx -y @fastmcp-trello add-comment:
rules:
- rate_limit: 30/hour Prevents bulk unintended modifications from agents caught in loops.
get-boards:
rules:
- rate_limit: 60/minute Controls API costs and prevents retry loops from exhausting upstream rate limits.
The Trello MCP Server server has 12 write tools including add-comment, add-comments, add-label. Set rate limits in your policy file -- for example, rate_limit: 10/hour prevents an agent from making more than 10 modifications per hour. Intercept enforces this at the transport layer.
16 tools across 2 categories: Read, Write. 4 are read-only. 12 can modify, create, or delete data.
One line change. Instead of running the Trello MCP Server server directly, prefix it with Intercept: intercept -c trello-mcp-server.yaml -- npx -y @fastmcp-trello. Download a pre-built policy from policylayer.com/policies/trello-mcp-server and adjust the limits to match your use case.
Set budgets, approvals, and hard limits across MCP servers.
npx -y @policylayer/intercept init