Add SigNoz MCP Server as Claude Desktop Extension

[pranay01]

https://github.com/anthropics/mcpb

Reference issues in Grafana MCP repo
grafana/mcp-grafana#290

[pkalsi97]

@pranay01 I have submitted a PR on the issue, No reviewer is assigned yet. Can someone be assigned to review?

[pranay01]

@pkalsi97 can you share the PR here

cc @pradeepitm12

[pkalsi97]

@pranay01
#33