2.2 KiB
2.2 KiB
MCP Server Configuration for Codex
Detailed examples and patterns for configuring MCP servers in Codex CLI.
Basic Structure
[mcp_servers.server-name]
command = "npx"
args = ["-y", "@package/mcp-server"]
enabled = true
tool_timeout_sec = 60.0
[mcp_servers.server-name.env]
API_KEY = "your-key"
Common MCP Servers
Context7 (Documentation Lookup)
[mcp_servers.context7]
command = "npx"
args = ["-y", "@upstash/context7-mcp", "--api-key", "YOUR_KEY"]
Firecrawl (Web Scraping)
[mcp_servers.firecrawl]
command = "npx"
args = ["-y", "firecrawl-mcp"]
[mcp_servers.firecrawl.env]
FIRECRAWL_API_KEY = "YOUR_KEY"
Graphite (Stacked PRs)
[mcp_servers.graphite]
command = "gt"
args = ["mcp"]
Linear (Project Management)
[mcp_servers.linear]
command = "npx"
args = ["-y", "mcp-remote@latest", "https://mcp.linear.app/sse"]
PostgreSQL
[mcp_servers.postgres]
command = "npx"
args = ["-y", "@modelcontextprotocol/server-postgres"]
[mcp_servers.postgres.env]
POSTGRES_CONNECTION_STRING = "postgresql://localhost/mydb"
Filesystem
[mcp_servers.filesystem]
command = "npx"
args = ["-y", "@modelcontextprotocol/server-filesystem", "/path/to/directory"]
Configuration Options
Timeout Settings
[mcp_servers.slow-server]
command = "slow-command"
args = []
tool_timeout_sec = 120.0 # 2 minutes
Disabling Servers
[mcp_servers.disabled-server]
command = "some-command"
args = []
enabled = false
Environment Variables
[mcp_servers.custom-server.env]
API_KEY = "secret"
DEBUG = "true"
HOME = "/custom/home"
Multiple Servers Example
# Documentation
[mcp_servers.context7]
command = "npx"
args = ["-y", "@upstash/context7-mcp"]
# Project management
[mcp_servers.linear]
command = "npx"
args = ["-y", "mcp-remote@latest", "https://mcp.linear.app/sse"]
# Version control
[mcp_servers.graphite]
command = "gt"
args = ["mcp"]
# Web scraping
[mcp_servers.firecrawl]
command = "npx"
args = ["-y", "firecrawl-mcp"]
[mcp_servers.firecrawl.env]
FIRECRAWL_API_KEY = "YOUR_KEY"
Verification
# List configured MCP servers
codex mcp list
# Test specific server
codex mcp test server-name