Security-first, self-hosted MCP server for Firefly III — 152 operations behind 5 scoped tools.
Connect Runs on your machine
claude mcp add mcp-firefly-iii -e FIREFLY_API_URL=<FIREFLY_API_URL> -e FIREFLY_API_TOKEN=<FIREFLY_API_TOKEN> -- npx -y @yakupemreyerli/[email protected]{
"mcpServers": {
"mcp-firefly-iii": {
"command": "npx",
"args": [
"-y",
"@yakupemreyerli/[email protected]"
],
"env": {
"FIREFLY_API_URL": "<FIREFLY_API_URL>",
"FIREFLY_API_TOKEN": "<FIREFLY_API_TOKEN>"
}
}
}
}{
"mcpServers": {
"mcp-firefly-iii": {
"command": "npx",
"args": [
"-y",
"@yakupemreyerli/[email protected]"
],
"env": {
"FIREFLY_API_URL": "<FIREFLY_API_URL>",
"FIREFLY_API_TOKEN": "<FIREFLY_API_TOKEN>"
}
}
}
}{
"servers": {
"mcp-firefly-iii": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@yakupemreyerli/[email protected]"
],
"env": {
"FIREFLY_API_URL": "<FIREFLY_API_URL>",
"FIREFLY_API_TOKEN": "<FIREFLY_API_TOKEN>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
FIREFLY_API_URLRequired | Your Firefly III instance URL (a bare domain, or a full base URL including /api/v1) |
FIREFLY_API_TOKENRequired, secret | Firefly III Personal Access Token (Options → Profile → OAuth → Create New Personal Access Token) |
Details
| Package | @yakupemreyerli/[email protected] (NPM, stdio) |
| First published | 30 Aug 2026 |
| Last updated | 30 Aug 2026 |
| Registry name | io.github.YakupEmreYerli/mcp-firefly-iii |
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