MCP Servers Server
Rank #45,465com.pulsemcp/langfuse
MCP server for Langfuse LLM observability — trace and observation analysis.
What you can do with MCP Servers Server
MCP Servers Server is a Model Context Protocol (MCP) server published by pulsemcp. It ranks #45,465 of 144,396 active servers on MCP Toplist, and its repository has 81 GitHub stars. MCP Servers Server is listed on Official MCP, with 2 tracked versions. It was first listed on May 18, 2026 and most recently updated on Jun 17, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What MCP Servers Server can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using MCP Servers Server
The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.
Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
- LANGFUSE_SECRET_KEY · required
- LANGFUSE_PUBLIC_KEY · required
- LANGFUSE_BASE_URL · optional
Connect MCP Servers Server and confirm it works
claude mcp add langfuse -e "LANGFUSE_SECRET_KEY=<your LANGFUSE_SECRET_KEY>" -e "LANGFUSE_PUBLIC_KEY=<your LANGFUSE_PUBLIC_KEY>" -e "LANGFUSE_BASE_URL=<your LANGFUSE_BASE_URL>" -- npx -y langfuse-observability-mcp-serverReplace each placeholder with your own value before saving.
[mcp_servers.langfuse]
command = "npx"
args = ["-y", "langfuse-observability-mcp-server"]
[mcp_servers.langfuse.env]
LANGFUSE_SECRET_KEY = "<your LANGFUSE_SECRET_KEY>"
LANGFUSE_PUBLIC_KEY = "<your LANGFUSE_PUBLIC_KEY>"
LANGFUSE_BASE_URL = "<your LANGFUSE_BASE_URL>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"langfuse": {
"command": "npx",
"args": [
"-y",
"langfuse-observability-mcp-server"
],
"env": {
"LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
"LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
"LANGFUSE_BASE_URL": "<your LANGFUSE_BASE_URL>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"langfuse": {
"command": "npx",
"args": [
"-y",
"langfuse-observability-mcp-server"
],
"env": {
"LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
"LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
"LANGFUSE_BASE_URL": "<your LANGFUSE_BASE_URL>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"langfuse": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"langfuse-observability-mcp-server"
],
"env": {
"LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
"LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
"LANGFUSE_BASE_URL": "<your LANGFUSE_BASE_URL>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"langfuse": {
"command": "npx",
"args": [
"-y",
"langfuse-observability-mcp-server"
],
"env": {
"LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
"LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
"LANGFUSE_BASE_URL": "<your LANGFUSE_BASE_URL>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"langfuse": {
"command": "npx",
"args": [
"-y",
"langfuse-observability-mcp-server"
],
"env": {
"LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
"LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
"LANGFUSE_BASE_URL": "<your LANGFUSE_BASE_URL>"
}
}
}
}Replace each placeholder with your own value before saving.
After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
What changed, and when this was checked
- First listed
- May 18, 2026
- Latest version published
- Jun 17, 2026
- Version history
- 2 versions tracked (below)
- Requirements evidence
- Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Jun 17, 2026
- Official MCP ↗listed since Jul 24, 2026 · still listed
Do you maintain MCP Servers Server? to correct or enrich this profile.
Available versions (2)
| Version | Published |
|---|---|
| 0.1.3 | Jun 17, 2026 |
| 0.1.2 | May 18, 2026 |
Ranks ahead of 98,931 of 144,396 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/com.pulsemcp%2Flangfuse)<a href="https://mcptoplist.com/server/com.pulsemcp%2Flangfuse"><img src="https://mcptoplist.com/badge/com.pulsemcp%2Flangfuse.svg" alt="MCP Toplist: Top 50% of 144,396" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains MCP Servers Server?
- MCP Servers Server is maintained by pulsemcp, which publishes 35 MCP servers (70 total versions) tracked on MCP Toplist.
- Is MCP Servers Server listed on the Official MCP Registry?
- Yes — MCP Servers Server is listed on the Official MCP Registry.
- How many versions does MCP Servers Server have?
- MCP Toplist tracks 2 versions of MCP Servers Server, most recently published on Jun 17, 2026.
- Where can I find the source code for MCP Servers Server?
- The source code for MCP Servers Server is hosted at github.com/pulsemcp/mcp-servers.
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