Opensolr MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 637 installs a week from pypi. Last commit 9 Sep 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 -- uvx opensolr-mcp{
"mcpServers": {
"opensolr-mcp": {
"args": [
"opensolr-mcp"
],
"command": "uvx"
}
}
}[mcp_servers.opensolr-mcp]
command = "uvx"
args = ["opensolr-mcp"]{
"mcpServers": {
"opensolr-mcp": {
"args": [
"opensolr-mcp"
],
"command": "uvx"
}
}
}{
"mcpServers": {
"opensolr-mcp": {
"args": [
"opensolr-mcp"
],
"command": "uvx"
}
}
}This one needs environment variables set before it will start:
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 15-day trial, 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 declared them in the registry entry; get the values from the project itself.
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Opensolr MCP — questions
Answers built from our own checks of this server.