Open Health Sync vs FreeStyle Libre (LibreLinkUp)
A side-by-side look at the Open Health Sync and FreeStyle Libre (LibreLinkUp) MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
O
Open Health SyncBiology & BioinformaticsRead-only access to self-hosted health data: samples, sleep, workouts, nutrition, daily summaries.35FairAuth: not declaredVerdict: choose Open Health Sync for biology & bioinformatics work; choose FreeStyle Libre (LibreLinkUp) for biology & bioinformatics as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
OChoose Open Health Sync when
- You need dedicated capabilities in the Biology & Bioinformatics domain.
Choose FreeStyle Libre (LibreLinkUp) when
- You need dedicated capabilities in the Biology & Bioinformatics domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
LIBRELINKUP_EMAIL, LIBRELINKUP_PASSWORD, LIBRELINKUP_REGION, LANGFUSE_PUBLIC_KEY, LANGFUSE_SECRET_KEY, LANGFUSE_BASE_URL, LANGFUSE_CAPTURE_DATA. - You want tools like
list_patients, get_current_glucose, get_glucose_graph.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | O Open Health Sync | |
|---|---|---|
| Category | Biology & Bioinformatics | Biology & Bioinformatics |
| Quality signal | 35/100 · Fair | 51/100 · Good |
| Install command | Not confirmed yet | Confirmed |
| Transport | — | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | LIBRELINKUP_EMAILLIBRELINKUP_PASSWORDLIBRELINKUP_REGIONLANGFUSE_PUBLIC_KEYLANGFUSE_SECRET_KEYLANGFUSE_BASE_URLLANGFUSE_CAPTURE_DATA |
| Verified owner | Community listing | Community listing |
| GitHub stars | 5 | 0 |
| Directory activity | 0 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | Not listed | 4 |
| Full listing | View Open Health Sync | View FreeStyle Libre (LibreLinkUp) |
Tools & capabilities
Open Health Sync tools
No tool names declared yet. Check the project README from the listing page.
FreeStyle Libre (LibreLinkUp) tools 4
list_patientsPeople the LibreLinkUp account followsget_current_glucoseLatest reading with trend arrowget_glucose_graphReadings from about the last 12 hours, oldest firstget_glucose_logbookLogged events from about the last 2 weeks, oldest first
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Open Health Sync
No confirmed install command for Open Health Sync yet — follow the setup steps linked from its listing page rather than a guessed package name.
FreeStyle Libre (LibreLinkUp)
{
"mcpServers": {
"freestyle-libre-librelinkup": {
"command": "uvx",
"args": [
"freestyle-libre-mcp"
],
"env": {
"LIBRELINKUP_EMAIL": "YOUR_LIBRELINKUP_EMAIL_HERE",
"LIBRELINKUP_PASSWORD": "YOUR_LIBRELINKUP_PASSWORD_HERE",
"LIBRELINKUP_REGION": "YOUR_LIBRELINKUP_REGION_HERE",
"LANGFUSE_PUBLIC_KEY": "YOUR_LANGFUSE_PUBLIC_KEY_HERE",
"LANGFUSE_SECRET_KEY": "YOUR_LANGFUSE_SECRET_KEY_HERE",
"LANGFUSE_BASE_URL": "YOUR_LANGFUSE_BASE_URL_HERE",
"LANGFUSE_CAPTURE_DATA": "YOUR_LANGFUSE_CAPTURE_DATA_HERE"
}
}
}
}
Frequently asked questions
Open Health Sync is categorized under Biology & Bioinformatics and uses an install path we have not confirmed yet. FreeStyle Libre (LibreLinkUp) belongs to Biology & Bioinformatics and uses a local stdio subprocess. Pick Open Health Sync for biology & bioinformatics work and FreeStyle Libre (LibreLinkUp) for biology & bioinformatics.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Open Health Sync has no confirmed install command yet — follow its own setup instructions.
Open Health Sync is listed as free. FreeStyle Libre (LibreLinkUp) has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add open-health-sync and freestyle-libre-librelinkup as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Open Health Sync has a quality signal of 35/100 (Fair) with 0 views, 0 installs and 5 GitHub stars. FreeStyle Libre (LibreLinkUp) has 51/100 (Good) with 0 views, 0 installs and 0 GitHub stars.