An observation record, not an assessment. Every row below is a change we recorded directly, with the content hash before and after. https://mcp.cpgknowledgegraph.ai/mcp
| observed at (UTC) | change | version signal | reported version | tools | surface hash |
|---|---|---|---|---|---|
| 2026-10-05 07:40:03Z | SURFACE_CHANGED | version-signalled | 1.2.4 → 1.0.0 | +a2a_handoff +compare_items +create_order_intent +find_verified_buyer +find_verified_supplier +gate_transaction +get_availability +get_enforcement_watch +get_item +get_label_and_claims +get_market_status +get_notification_requirements +get_price +get_product_documents +log_audit +resolve_actor +resolve_jurisdiction +search_cleared_items +verify_gtin −check_eligibility −count_gtin_coverage −find_makers −find_retailers −get_kernel −get_signal_chain −list_brands_by_node −list_nodes −list_sku_types −node_market −resolve_gtin −resolve_node −resolve_scope −resolve_sparks | 1c086e4cc988 → c16f6e8e8385 |
This section is identical for ~92% of publishers and is published as
shared context, not as a finding about mcp.cpgknowledgegraph.ai. 90 dependency
packages sit beneath the measured MCP population; 41 have a
single maintainer and 31 have not published in over two years.
The widest is zod at
80.46% of npm-backed servers (8529 servers,
1 maintainer, last publish 2026-09-13).
These are properties of the shared SDK dependency closure. Any page claiming this set as
one operator's personal exposure is misreading a universal fact as a private one.
Source: state/mcp-census/chokepoint-maintainers.json, as_of 2026-10-07.
Observation window 2026-09-21 → 2026-10-10.
22,294 servers were observed; 2,214
were seen to change and 20,080 were observed and
recorded no change — that negative control is why a non-zero count here means something.
Across the corpus, 4,781 of
6,334 changes carried no version signal, and
1,690 of those added or removed tools.
What this does NOT cover: servers outside the observed set; changes that
occurred before 2026-09-21; changes that began and reverted between two observations;
and any server reachable only with credentials we do not hold. A server's absence from this
record is not evidence it did not change — only that we did not observe it.
Universe captured 2026-10-10T19:40:03.823Z. Produced by core/surface_history_page.cjs (reads core/surface_clock producers).
Hashes are of the served tool surface and are recomputable from the server's own response.