Opensolr MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 142 installs a week from pypi. Last commit 10 Oct 2026.
Managed Apache Solr for agents: hybrid BM25+kNN search, server-side embeddings, RAG answers
Nothing serious here today
Today is the operative word: we check Opensolr MCP 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 opensolr-mcp -e 'OPENSOLR_EMAIL=<OPENSOLR_EMAIL>' -e 'OPENSOLR_API_KEY=<OPENSOLR_API_KEY>' -- uvx opensolr-mcp{
"mcpServers": {
"opensolr-mcp": {
"command": "uvx",
"args": [
"opensolr-mcp"
],
"env": {
"OPENSOLR_API_KEY": "<OPENSOLR_API_KEY>",
"OPENSOLR_EMAIL": "<OPENSOLR_EMAIL>"
}
}
}
}[mcp_servers.opensolr-mcp]
command = "uvx"
args = ["opensolr-mcp"]
env = { OPENSOLR_EMAIL = "<OPENSOLR_EMAIL>", OPENSOLR_API_KEY = "<OPENSOLR_API_KEY>" }{
"mcpServers": {
"opensolr-mcp": {
"command": "uvx",
"args": [
"opensolr-mcp"
],
"env": {
"OPENSOLR_API_KEY": "<OPENSOLR_API_KEY>",
"OPENSOLR_EMAIL": "<OPENSOLR_EMAIL>"
}
}
}
}{
"servers": {
"opensolr-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"opensolr-mcp"
],
"env": {
"OPENSOLR_API_KEY": "<OPENSOLR_API_KEY>",
"OPENSOLR_EMAIL": "<OPENSOLR_EMAIL>"
}
}
}
}Put your own values in place of
<OPENSOLR_EMAIL> (Opensolr account email; try the shared demo account [email protected], whose indexes are deleted after 3 days and can be changed or deleted by anyone else using it, or get your own at https://opensolr.com/register (free forever, no card)), <OPENSOLR_API_KEY> (Opensolr API key, found under Account > API in the control panel; the shared demo account's key is 420b8b23e7b12dc8ab838932145a5065 (preloaded index mcp_demo_d1__dense with 300 news articles, limits per index are 200 MB bandwidth and 50 MB disk, anything created is deleted after 3 days and other people can change or delete it)).
The author’s registry entry marks them as required.
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Opensolr MCP — questions
Answers built from our own checks of this server.