Method discoverServerTools

apps/sim/lib/mcp/service.ts:607–627

* Discover tools from one server. Cache-aside by default; pass * `forceRefresh: true` from explicit-refresh paths (refresh button, OAuth * callback) to bypass both positive and negative caches. Concurrent callers * for the same `(workspaceId, serverId, userId, forceRefresh)` share one *

(
    userId: string,
    serverId: string,
    workspaceId: string,
    forceRefresh = false
  )

   * upstream request.
   */
  async discoverServerTools(
    userId: string,
    serverId: string,
    workspaceId: string,
    forceRefresh = false
  ): Promise<McpTool[]> {
    const inflightKey = `${workspaceId}:${serverId}:${userId}:${forceRefresh ? 'force' : 'cache'}`
    const existing = this.inflightServerDiscovery.get(inflightKey)
    if (existing) return existing

    const promise = this.discoverServerToolsImpl(
      userId,
      serverId,
      workspaceId,
      forceRefresh
    ).finally(() => {
      this.inflightServerDiscovery.delete(inflightKey)
    })
    this.inflightServerDiscovery.set(inflightKey, promise)
    return promise
  }

  private async discoverServerToolsImpl(
    userId: string,