Pondlog Phenology (USA-NPN) runs on your own machine — the client starts it, so there is no endpoint to ping. 75 installs a week from npm. Last commit 10 Oct 2026.
USA National Phenology Network MCP. Bloom, leaf-out, and flight timing from NPN observers.
Today is the operative word: we check Pondlog Phenology (USA-NPN) every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add pondlog-npn -- npx -y @pondlog/mcp-npn
{
"mcpServers": {
"pondlog-npn": {
"command": "npx",
"args": [
"-y",
"@pondlog/mcp-npn"
]
}
}
}
[mcp_servers.pondlog-npn]
command = "npx"
args = ["-y", "@pondlog/mcp-npn"]
{
"mcpServers": {
"pondlog-npn": {
"command": "npx",
"args": [
"-y",
"@pondlog/mcp-npn"
]
}
}
}
{
"servers": {
"pondlog-npn": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@pondlog/mcp-npn"
]
}
}
}
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Answers built from our own checks of this server.