MCP Flow Cl runs on your own machine — the client starts it, so there is no endpoint to ping. 38 installs a week from npm. Last commit 27 Sep 2026.
MCP server for Flow.cl — Chilean PSP: hosted payment orders, Webpay, refunds, HMAC-signed API
Nothing serious here today
Today is the operative word: we check MCP Flow Cl every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
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 mcp-flow-cl -e 'FLOW_API_KEY=<FLOW_API_KEY>' -e 'FLOW_SECRET_KEY=<FLOW_SECRET_KEY>' -- npx -y @codespar/mcp-flow-cl{
"mcpServers": {
"mcp-flow-cl": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-flow-cl"
],
"env": {
"FLOW_API_KEY": "<FLOW_API_KEY>",
"FLOW_SECRET_KEY": "<FLOW_SECRET_KEY>"
}
}
}
}[mcp_servers.mcp-flow-cl]
command = "npx"
args = ["-y", "@codespar/mcp-flow-cl"]
env = { FLOW_API_KEY = "<FLOW_API_KEY>", FLOW_SECRET_KEY = "<FLOW_SECRET_KEY>" }{
"mcpServers": {
"mcp-flow-cl": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-flow-cl"
],
"env": {
"FLOW_API_KEY": "<FLOW_API_KEY>",
"FLOW_SECRET_KEY": "<FLOW_SECRET_KEY>"
}
}
}
}{
"servers": {
"mcp-flow-cl": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@codespar/mcp-flow-cl"
],
"env": {
"FLOW_API_KEY": "<FLOW_API_KEY>",
"FLOW_SECRET_KEY": "<FLOW_SECRET_KEY>"
}
}
}
}Put your own values in place of
<FLOW_API_KEY> (Flow merchant API key), <FLOW_SECRET_KEY> (Flow secret key used to HMAC-SHA256 sign every request).
The author’s registry entry marks them as required.
Optional settings from the registry entry, left out of the block above:
FLOW_ENV (Environment: 'sandbox' or 'production'. Defaults to 'sandbox').
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MCP Flow Cl — questions
Answers built from our own checks of this server.