Lets agents read OpenTelemetry traces and metrics from Logfire, inspect exceptions and run SQL queries.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add logfire --env LOGFIRE_READ_TOKEN='<LOGFIRE_READ_TOKEN>' -- uvx logfire-mcp --read-token=YOUR_READ_TOKEN~/.codex/config.toml
[mcp_servers.logfire]
command = "uvx"
args = ["logfire-mcp", "--read-token=YOUR_READ_TOKEN"]
env = { LOGFIRE_READ_TOKEN = "<LOGFIRE_READ_TOKEN>" }
# codex mcp add logfire --env LOGFIRE_READ_TOKEN='<LOGFIRE_READ_TOKEN>' -- uvx logfire-mcp --read-token=YOUR_READ_TOKEN~/.cursor/mcp.json
{
"mcpServers": {
"logfire": {
"command": "uvx",
"args": [
"logfire-mcp",
"--read-token=YOUR_READ_TOKEN"
],
"env": {
"LOGFIRE_READ_TOKEN": "<LOGFIRE_READ_TOKEN>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"logfire": {
"type": "stdio",
"command": "uvx",
"args": [
"logfire-mcp",
"--read-token=YOUR_READ_TOKEN"
],
"env": {
"LOGFIRE_READ_TOKEN": "<LOGFIRE_READ_TOKEN>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"logfire": {
"command": "uvx",
"args": [
"logfire-mcp",
"--read-token=YOUR_READ_TOKEN"
],
"env": {
"LOGFIRE_READ_TOKEN": "<LOGFIRE_READ_TOKEN>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"logfire": {
"command": "uvx",
"args": [
"logfire-mcp",
"--read-token=YOUR_READ_TOKEN"
],
"env": {
"LOGFIRE_READ_TOKEN": "<LOGFIRE_READ_TOKEN>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"logfire": {
"command": "uvx",
"args": [
"logfire-mcp",
"--read-token=YOUR_READ_TOKEN"
],
"env": {
"LOGFIRE_READ_TOKEN": "<LOGFIRE_READ_TOKEN>"
}
}
}
}Environment variables
LOGFIRE_READ_TOKEN
Replace the placeholders with your own credentials and keep them out of version control.