Identify integer sequences by terms, search the OEIS, read formulas, programs, b-files, cross-refs via MCP. STDIO or Streamable HTTP.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add oeis -- npx -y @cyanheads/oeis-mcp-server~/.codex/config.toml
[mcp_servers.oeis]
command = "npx"
args = ["-y", "@cyanheads/oeis-mcp-server"]
# codex mcp add oeis -- npx -y @cyanheads/oeis-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"oeis": {
"command": "npx",
"args": [
"-y",
"@cyanheads/oeis-mcp-server"
]
}
}
}.vscode/mcp.json
{
"servers": {
"oeis": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cyanheads/oeis-mcp-server"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"oeis": {
"command": "npx",
"args": [
"-y",
"@cyanheads/oeis-mcp-server"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"oeis": {
"command": "npx",
"args": [
"-y",
"@cyanheads/oeis-mcp-server"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"oeis": {
"command": "npx",
"args": [
"-y",
"@cyanheads/oeis-mcp-server"
]
}
}
}Remote
claude mcp add --transport http oeis https://oeis.caseyjhand.com/mcp~/.codex/config.toml
[mcp_servers.oeis]
url = "https://oeis.caseyjhand.com/mcp"
# codex mcp add oeis --url https://oeis.caseyjhand.com/mcp~/.cursor/mcp.json
{
"mcpServers": {
"oeis": {
"url": "https://oeis.caseyjhand.com/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"oeis": {
"type": "http",
"url": "https://oeis.caseyjhand.com/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"oeis": {
"httpUrl": "https://oeis.caseyjhand.com/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"oeis": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://oeis.caseyjhand.com/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"oeis": {
"url": "https://oeis.caseyjhand.com/mcp"
}
}
}