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Changelog

What changed in the API and the index, most recent first.

Coverage graph traversal

  • Six graph endpoints are live: related, corroborate, authorities, dossier, path and assemble_context.
  • Every search hit now carries centrality, community_id, independent_sources and in_degree as stored fields, filterable and sortable at no query-time cost.
  • Corroboration counts survive deduplication — a near-duplicate rejected at admission records its host against the surviving passage.

Coverage transparency

  • why_not(url) reports present, removed with a typed reason and any replacement, or never admitted.
  • Six removal reasons are recorded in an append-only ledger: redundant, superseded, stale, access-starved, lost-replacement and tombstoned-source.

MCP server

  • Eleven tools over stdio JSON-RPC, covering search, retrieval, coverage transparency and the six graph operations.
  • Works with Claude Code, Claude Desktop, Cursor and any other Model Context Protocol client.
  • Tool calls bill as ordinary API requests.

Plans and billing

  • Four plans: Free (1,000 requests/month), Build ($29 / 50,000), Scale ($199 / 500,000) and Archive ($799 / 2,000,000).
  • Free hard-caps at quota rather than billing unexpectedly; paid plans continue with usage-based overage.
  • Self-service key issuance, rotation and revocation in the console. Rotation is a single transaction, so there is never a window with two live keys or none.

Follow along

Notable changes are written up on the blog, which has an RSS feed.

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