MCP server using the Mattermost API
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add mattermost --env MATTERMOST_CHANNELS='<MATTERMOST_CHANNELS>' --env MATTERMOST_ENDPOINT='<MATTERMOST_ENDPOINT>' --env MATTERMOST_TEAM_ID='<MATTERMOST_TEAM_ID>' --env MATTERMOST_TOKEN='<MATTERMOST_TOKEN>' -- npx -y mcp-server-mattermost@latest --transport stdio --endpoint https://your-mattermost-server/api/v4 --token your_personal_access_token --team your_team_name --channels town-square,general,your_channel_name~/.codex/config.toml
[mcp_servers.mattermost]
command = "npx"
args = ["-y", "mcp-server-mattermost@latest", "--transport", "stdio", "--endpoint", "https://your-mattermost-server/api/v4", "--token", "your_personal_access_token", "--team", "your_team_name", "--channels", "town-square,general,your_channel_name"]
env = { MATTERMOST_CHANNELS = "<MATTERMOST_CHANNELS>", MATTERMOST_ENDPOINT = "<MATTERMOST_ENDPOINT>", MATTERMOST_TEAM_ID = "<MATTERMOST_TEAM_ID>", MATTERMOST_TOKEN = "<MATTERMOST_TOKEN>" }
# codex mcp add mattermost --env MATTERMOST_CHANNELS='<MATTERMOST_CHANNELS>' --env MATTERMOST_ENDPOINT='<MATTERMOST_ENDPOINT>' --env MATTERMOST_TEAM_ID='<MATTERMOST_TEAM_ID>' --env MATTERMOST_TOKEN='<MATTERMOST_TOKEN>' -- npx -y mcp-server-mattermost@latest --transport stdio --endpoint https://your-mattermost-server/api/v4 --token your_personal_access_token --team your_team_name --channels town-square,general,your_channel_name~/.cursor/mcp.json
{
"mcpServers": {
"mattermost": {
"command": "npx",
"args": [
"-y",
"mcp-server-mattermost@latest",
"--transport",
"stdio",
"--endpoint",
"https://your-mattermost-server/api/v4",
"--token",
"your_personal_access_token",
"--team",
"your_team_name",
"--channels",
"town-square,general,your_channel_name"
],
"env": {
"MATTERMOST_CHANNELS": "<MATTERMOST_CHANNELS>",
"MATTERMOST_ENDPOINT": "<MATTERMOST_ENDPOINT>",
"MATTERMOST_TEAM_ID": "<MATTERMOST_TEAM_ID>",
"MATTERMOST_TOKEN": "<MATTERMOST_TOKEN>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"mattermost": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-server-mattermost@latest",
"--transport",
"stdio",
"--endpoint",
"https://your-mattermost-server/api/v4",
"--token",
"your_personal_access_token",
"--team",
"your_team_name",
"--channels",
"town-square,general,your_channel_name"
],
"env": {
"MATTERMOST_CHANNELS": "<MATTERMOST_CHANNELS>",
"MATTERMOST_ENDPOINT": "<MATTERMOST_ENDPOINT>",
"MATTERMOST_TEAM_ID": "<MATTERMOST_TEAM_ID>",
"MATTERMOST_TOKEN": "<MATTERMOST_TOKEN>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"mattermost": {
"command": "npx",
"args": [
"-y",
"mcp-server-mattermost@latest",
"--transport",
"stdio",
"--endpoint",
"https://your-mattermost-server/api/v4",
"--token",
"your_personal_access_token",
"--team",
"your_team_name",
"--channels",
"town-square,general,your_channel_name"
],
"env": {
"MATTERMOST_CHANNELS": "<MATTERMOST_CHANNELS>",
"MATTERMOST_ENDPOINT": "<MATTERMOST_ENDPOINT>",
"MATTERMOST_TEAM_ID": "<MATTERMOST_TEAM_ID>",
"MATTERMOST_TOKEN": "<MATTERMOST_TOKEN>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"mattermost": {
"command": "npx",
"args": [
"-y",
"mcp-server-mattermost@latest",
"--transport",
"stdio",
"--endpoint",
"https://your-mattermost-server/api/v4",
"--token",
"your_personal_access_token",
"--team",
"your_team_name",
"--channels",
"town-square,general,your_channel_name"
],
"env": {
"MATTERMOST_CHANNELS": "<MATTERMOST_CHANNELS>",
"MATTERMOST_ENDPOINT": "<MATTERMOST_ENDPOINT>",
"MATTERMOST_TEAM_ID": "<MATTERMOST_TEAM_ID>",
"MATTERMOST_TOKEN": "<MATTERMOST_TOKEN>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"mattermost": {
"command": "npx",
"args": [
"-y",
"mcp-server-mattermost@latest",
"--transport",
"stdio",
"--endpoint",
"https://your-mattermost-server/api/v4",
"--token",
"your_personal_access_token",
"--team",
"your_team_name",
"--channels",
"town-square,general,your_channel_name"
],
"env": {
"MATTERMOST_CHANNELS": "<MATTERMOST_CHANNELS>",
"MATTERMOST_ENDPOINT": "<MATTERMOST_ENDPOINT>",
"MATTERMOST_TEAM_ID": "<MATTERMOST_TEAM_ID>",
"MATTERMOST_TOKEN": "<MATTERMOST_TOKEN>"
}
}
}
}Environment variables
MATTERMOST_CHANNELSMATTERMOST_ENDPOINTMATTERMOST_TEAM_IDMATTERMOST_TOKEN
Replace the placeholders with your own credentials and keep them out of version control.