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Tool-level rate limiting per role

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还没有人认领这个 Issue。

评估

难度
4/5
预计耗时
3-5 天
新手友好度
35/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
活跃
技术栈
redis, typescript
领域
api, backend

调研方向

Start in packages/backend/src/mcp-server/mcp-endpoint.controller.ts, where planToolSet builds the handler each tool is registered with, and find the existing role tool whitelist model to see where a per-role, per-tool limit would be stored. The issue leaves the storage shape and the Redis versus in-process counting design open, so agree that with maintainers first. Done means an over-limit call returns a readable MCP error with the limit and retry time, and the in-process path documents that it is not shared across replicas.

由索引模型根据 Issue 内容生成。

描述

help wanted roadmap

An MCP role can already be restricted to a set of tools. It cannot yet be restricted in how often it calls them, which matters most for the two cases where a runaway agent is expensive: metered upstream APIs, and database connectors.

Scope

  • Per-role, per-tool limit (calls per minute / per hour), stored alongside the existing role tool whitelist.
  • Enforced in the MCP tool handler, before the upstream call.
  • Over-limit returns a proper MCP error the agent can read ("rate limit for this tool: N/min, retry in Xs"), not a generic failure.
  • Counted in Redis when REDIS_URL is set, in-process otherwise, and the in-process path must be honest about not being shared across replicas.

Where to look

  • packages/backend/src/mcp-server/mcp-endpoint.controller.ts — planToolSet builds the handler each tool is registered with.
  • The role/tool-whitelist model for where the limit belongs.
主要语言
TypeScript
星标
856
派生
82
平均合并
5 小时 45 分钟
30 天内合并 PR
158

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从这里开始

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  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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