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
86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
package messaging
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import (
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"context"
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"fmt"
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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/mark3labs/mcp-go/mcp"
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"github.com/mark3labs/mcp-go/server"
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)
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const (
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GetChannelMessagesToolName = "mattermost_get_channel_messages"
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)
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var (
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GetChannelMessagesTool = mcp.NewTool(
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GetChannelMessagesToolName,
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mcp.WithDescription("Read message history from a channel"),
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mcp.WithString("channel_id", mcp.Required(), mcp.Description("Channel ID to read from")),
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mcp.WithNumber("limit", mcp.Description("Number of messages to return (default 60, max 200)")),
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mcp.WithString("before", mcp.Description("Get messages before this post ID (for pagination)")),
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mcp.WithString("after", mcp.Description("Get messages after this post ID (for pagination)")),
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)
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)
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func init() {
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registerGetChannelMessagesTool()
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}
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func registerGetChannelMessagesTool() {
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tools := []server.ServerTool{
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{Tool: GetChannelMessagesTool, Handler: GetChannelMessagesFn},
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}
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for _, t := range tools {
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Tool.RegisterRead(t)
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}
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}
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func GetChannelMessagesFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
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log.Debugf("[Messaging] Called GetChannelMessagesFn")
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args := req.GetArguments()
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channelID, err := params.GetString(args, "channel_id")
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if err != nil {
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return to.Error(fmt.Errorf("[channel_id] %v", err)), nil
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}
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limit := params.GetOptionalInt(args, "limit", 60)
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if limit > 200 {
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limit = 200
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}
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if limit < 1 {
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limit = 60
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}
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before := params.GetOptionalString(args, "before", "")
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after := params.GetOptionalString(args, "after", "")
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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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posts, err := client.GetChannelPosts(ctx, channelID, int(limit), before, after)
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if err != nil {
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return to.Error(fmt.Errorf("[posts] failed to get channel messages: %v", err)), nil
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}
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results := make([]map[string]interface{}, 0, len(posts.Posts))
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for _, post := range posts.Posts {
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results = append(results, SlimPost(post))
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}
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return to.Result(map[string]interface{}{
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"posts": results,
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"count": len(results),
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"channel_id": channelID,
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"has_more": len(results) == int(limit),
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}), nil
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}
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