MCP servers, harness by harness

claude mcp add --transport http context7 https://mcp.context7.com/mcp
claude mcp add --transport stdio context7 -- npx -y @upstash/context7-mcp
# share with the team: writes .mcp.json at the repo root
claude mcp add --transport http context7 --scope project https://mcp.context7.com/mcp

{
  "mcpServers": {
    "context7": { "type": "http", "url": "https://mcp.context7.com/mcp" }
  }
}

codex mcp add context7 -- npx -y @upstash/context7-mcp
codex mcp list

[mcp_servers.context7]
command = "npx"
args = ["-y", "@upstash/context7-mcp"]

# a remote server uses url instead
# [mcp_servers.docs]
# url = "https://mcp.example.com/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "context7": { "type": "remote", "url": "https://mcp.context7.com/mcp", "enabled": true }
  }
}

opencode mcp add context7 --url https://mcp.context7.com/mcp
opencode mcp list

extensions:
  context7:
    name: Context7
    type: stdio
    cmd: npx
    args: [-y, "@upstash/context7-mcp"]
    enabled: true
    timeout: 300

{
  "mcpServers": {
    "context7": { "httpUrl": "https://mcp.context7.com/mcp" }
  }
}