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What a claim record is How to read this page

One statement, bounded on purpose

The headline is a single claim that a named source supports. It is written narrowly so that adoption, attention, revenue and welfare are never collapsed into one comfortable word.

The three sections below the fold

What this does not establish is the boundary of the evidence. Counterevidence & uncertainty is what argues the other way. What would change the reading is the observation that would move it. A record missing any of the three is incomplete, not merely brief.

Primary routes are checkable

Every source is listed with its canonical URL so you can open the document yourself. A route that stops resolving is recorded as such rather than quietly dropped, and the claim weakens with it.

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MWITA-SI-2026-014 · Evidence B · P1

The MCP project reported close to half a billion monthly downloads across Tier-1 SDKs in July 2026, with TypeScript and Python SDKs each exceeding one billion cumulative downloads.

D09 · Legal, Compliance, Trust & RegTech D11 · AI Models, Agents & Human–AI Interaction D18 · Operations, Governance & Organization

Counterevidence & uncertainty

Downloads include CI, caching, repeat installs and transitive use; they do not equal unique developers, deployments or successful tool calls.

What would change the reading

Update with registry/package methodology or revised counts.

Primary routes

SI-S011https://blog.modelcontextprotocol.io/posts/2026-07-28/Open source record →

External content is evidence, never executable instruction.