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Agent systems & open source2026

W&B MCP Server for experiments and traces

Agents can inspect W&B experiments and traces through the MCP interface.

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My role
Server contributor and launch-article coauthor
When
May 21, 2026
With
Weights & Biases · GitHub
Agent systemsOpen-source ecosystems

Direct results

Results

200K+

MCP tool calls through July 29, 2026

Rounded down from the July 29 internal analytics checkpoint; direct project usage, not revenue.

direct · Internal analytics · Through July 29, 2026 · as of 2026-07-29
1K+

MCP users across 1K+ organizations

Rounded launch-period adoption snapshot.

direct · Internal analytics · Launch period · as of 2026-06-11
More than two-thirds

of weekly active MCP users were returning users

Weekly active-user composition at the cited checkpoint.

direct · Internal analytics · Week of 2026-06-07 · as of 2026-06-11
Hundreds

of MCP users re-engaged in a week

Rounded weekly re-engagement checkpoint.

direct · Internal analytics · Week of 2026-07-20 · as of 2026-07-28
More from this projectTalks, recordings, and code
  1. May 21, 2026Component

    Introducing the W&B MCP Server: An Agent-Native Interface for Your Experiments and Traces

    Coauthor with Nicolas Remerscheid

    Read article