Postbolt runs on your own machine — the client starts it, so there is no endpoint to ping. 34 installs a week from npm. Last commit 3 Mar 2026.
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Today is the operative word: we check Postbolt 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 postbolt -e 'POSTBOLT_API_KEY=<POSTBOLT_API_KEY>' -- npx -y postbolt-mcp
{
"mcpServers": {
"postbolt": {
"command": "npx",
"args": [
"-y",
"postbolt-mcp"
],
"env": {
"POSTBOLT_API_KEY": "<POSTBOLT_API_KEY>"
}
}
}
}
[mcp_servers.postbolt]
command = "npx"
args = ["-y", "postbolt-mcp"]
env = { POSTBOLT_API_KEY = "<POSTBOLT_API_KEY>" }
{
"mcpServers": {
"postbolt": {
"command": "npx",
"args": [
"-y",
"postbolt-mcp"
],
"env": {
"POSTBOLT_API_KEY": "<POSTBOLT_API_KEY>"
}
}
}
}
{
"servers": {
"postbolt": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"postbolt-mcp"
],
"env": {
"POSTBOLT_API_KEY": "<POSTBOLT_API_KEY>"
}
}
}
}
Put your own value in place of
<POSTBOLT_API_KEY> (Your PostBolt API key (starts with sk_)).
The author’s registry entry marks it as required.
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Answers built from our own checks of this server.