Lets agents fetch CircleCI pipeline logs and help fix build failures; deprecated in favor of CircleCI's hosted MCP server.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add circleci --env CIRCLECI_TOKEN='<CIRCLECI_TOKEN>' -- npx -y @circleci/mcp-server-circleci~/.codex/config.toml
[mcp_servers.circleci]
command = "npx"
args = ["-y", "@circleci/mcp-server-circleci"]
env = { CIRCLECI_TOKEN = "<CIRCLECI_TOKEN>" }
# codex mcp add circleci --env CIRCLECI_TOKEN='<CIRCLECI_TOKEN>' -- npx -y @circleci/mcp-server-circleci~/.cursor/mcp.json
{
"mcpServers": {
"circleci": {
"command": "npx",
"args": [
"-y",
"@circleci/mcp-server-circleci"
],
"env": {
"CIRCLECI_TOKEN": "<CIRCLECI_TOKEN>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"circleci": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@circleci/mcp-server-circleci"
],
"env": {
"CIRCLECI_TOKEN": "<CIRCLECI_TOKEN>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"circleci": {
"command": "npx",
"args": [
"-y",
"@circleci/mcp-server-circleci"
],
"env": {
"CIRCLECI_TOKEN": "<CIRCLECI_TOKEN>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"circleci": {
"command": "npx",
"args": [
"-y",
"@circleci/mcp-server-circleci"
],
"env": {
"CIRCLECI_TOKEN": "<CIRCLECI_TOKEN>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"circleci": {
"command": "npx",
"args": [
"-y",
"@circleci/mcp-server-circleci"
],
"env": {
"CIRCLECI_TOKEN": "<CIRCLECI_TOKEN>"
}
}
}
}Environment variables
CIRCLECI_TOKEN
Replace the placeholders with your own credentials and keep them out of version control.