Karti Tripathi
a4e51f6412
- 27 base tools: channels, messaging, users, reactions, files, DMs - Team management: invite/remove users, get stats, list members - Slash commands: execute /remind, /poll, etc. - Webhook management: incoming and outgoing webhooks - System tools: server config, logs, bulk status updates - Channel admin: create, invite, leave, delete channels - Read-only mode for safe exploration - Dual token support (bot + PAT) for enhanced security - Apache 2.0 licensed
116 lines
3.1 KiB
Go
116 lines
3.1 KiB
Go
package dm
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import (
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"context"
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"fmt"
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"strings"
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"github.com/karti-ai/mattermost-mcp-server/pkg/log"
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"github.com/karti-ai/mattermost-mcp-server/pkg/mattermost"
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"github.com/karti-ai/mattermost-mcp-server/pkg/params"
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"github.com/karti-ai/mattermost-mcp-server/pkg/to"
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"github.com/karti-ai/mattermost-mcp-server/pkg/tool"
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"github.com/mark3labs/mcp-go/mcp"
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"github.com/mark3labs/mcp-go/server"
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)
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var Tool = tool.New()
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const (
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CreateDMToolName = "mattermost_create_dm"
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CreateGroupDMToolName = "mattermost_create_group_dm"
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)
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var (
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CreateDMTool = mcp.NewTool(
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CreateDMToolName,
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mcp.WithDescription("Create direct message channel with user"),
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mcp.WithString("user_id", mcp.Required(), mcp.Description("User ID to DM with")),
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)
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CreateGroupDMTool = mcp.NewTool(
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CreateGroupDMToolName,
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mcp.WithDescription("Create group DM channel with multiple users"),
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mcp.WithString("user_ids", mcp.Required(), mcp.Description("Comma-separated list of user IDs to include in group DM")),
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)
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)
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func init() {
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registerTools()
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}
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func registerTools() {
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tools := []server.ServerTool{
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{Tool: CreateDMTool, Handler: CreateDMFn},
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{Tool: CreateGroupDMTool, Handler: CreateGroupDMFn},
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}
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for _, t := range tools {
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Tool.RegisterWrite(t)
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}
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}
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func CreateDMFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
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log.Debugf("[DM] Called CreateDMFn")
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args := req.GetArguments()
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userId, err := params.GetString(args, "user_id")
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if err != nil {
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return to.Error(fmt.Errorf("[user_id] %v", err)), nil
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}
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client := mattermost.GetGlobalClient()
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if client == nil {
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return to.Error(fmt.Errorf("[internal] client not initialized")), nil
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}
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// Get current user to get our own user ID
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me, err := client.GetMe(ctx)
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if err != nil {
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return to.Error(fmt.Errorf("[me] failed to get current user: %v", err)), nil
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}
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// Create direct message channel between current user and target user
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channel, err := client.CreateDirectChannel(ctx, me.Id, userId)
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if err != nil {
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return to.Error(fmt.Errorf("[channel] failed to create DM: %v", err)), nil
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}
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return to.Result(SlimChannel(channel)), nil
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}
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func CreateGroupDMFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
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log.Debugf("[DM] Called CreateGroupDMFn")
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args := req.GetArguments()
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userIDsStr, err := params.GetString(args, "user_ids")
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if err != nil {
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return to.Error(fmt.Errorf("[user_ids] %v", err)), nil
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}
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// Parse comma-separated user IDs
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userIDs := strings.Split(userIDsStr, ",")
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if len(userIDs) < 2 {
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return to.Error(fmt.Errorf("[user_ids] at least 2 user IDs required for group DM (got %d)", len(userIDs))), nil
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}
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// Trim whitespace from each ID
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for i, id := range userIDs {
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userIDs[i] = strings.TrimSpace(id)
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}
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client := mattermost.GetGlobalClient()
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if client == nil {
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return to.Error(fmt.Errorf("[internal] client not initialized")), nil
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}
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// Create group DM channel
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channel, err := client.CreateGroupChannel(ctx, userIDs)
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if err != nil {
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return to.Error(fmt.Errorf("[channel] failed to create group DM: %v", err)), nil
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}
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return to.Result(SlimChannel(channel)), nil
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}
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