Founder of a listed tool
Marc Klingen
Co-founder, Langfuse (ClickHouse), named behind the Langfuse API + MCP listing on Anchor Terminal.
What Marc builds
Langfuse API + MCP BB · Agent observability & evals
Open-source tracing, evaluation, prompt management and datasets for LLM apps and agents, built on OpenTelemetry.
Co-founder, Langfuse (ClickHouse), researched 26 October 2026 · the people behind it
Works with
- Clemens Rawert Co-founder, Langfuse (ClickHouse)
- Maximilian Deichmann Co-founder, Langfuse (ClickHouse)
Backed by
Y Combinator Lightspeed Venture Partners La Famiglia
Questions
Who is Marc Klingen?
Marc Klingen is co-founder and CEO of Langfuse, the open-source LLM engineering platform from Y Combinator's Winter 2023 batch. Langfuse joined ClickHouse in January 2026, and Klingen continues to lead the Langfuse team and product.
What does Langfuse (ClickHouse) make?
Anchor Terminal lists Langfuse API + MCP from Langfuse (ClickHouse). Open-source tracing, evaluation, prompt management and datasets for LLM apps and agents, built on OpenTelemetry.
Who has invested in Langfuse (ClickHouse)?
The sources our research read name Y Combinator, Lightspeed Venture Partners and La Famiglia.
How are Marc's tools graded?
Langfuse API + MCP is graded BB, 74.8 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (3)
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