CHANGELOG

QuantCoda release history

Public changes to data access, documentation, SDKs and developer-facing behaviour. Operational secrets and private infrastructure details are intentionally excluded.

Paid plan pricing update

  • New purchases of Pro cost $19.90/month or $199/year; Expert costs $39.90/month or $399/year.
  • Monthly plans auto-renew. Annual access is a one-time purchase with no auto-renewal. Existing subscriptions keep their current prices.
  • Business is available through sales with custom pricing and written licensing and service terms.

MCP v2 structured tools

  • The remote server now negotiates MCP 2026-07-28 while continuing to serve earlier protocol clients.
  • All 45 read-only tools expose contract-derived output schemas and return typed structuredContent with provenance and truncation metadata.
  • Bearer authentication is now preferred; X-API-Key remains available, while API keys in query strings are rejected.

Paid plan pricing update

  • Pro is now a $9.90 monthly subscription or $99 one-time annual purchase and continues to unlock every current standard data API.
  • Expert is now a $29.90 monthly subscription or $299 one-time annual purchase with all Pro access and up to 500 requests per minute.

Offline Python SDK interface discovery

  • Endpoint metadata now ships with the SDK for offline search, interface details and category listings.
  • Stable interface IDs and explicit matched or unmatched search terms help developers and AI agents respect capability boundaries.

English-first developer discovery

  • The English acquisition homepage moved to the root URL, with Chinese available at /zh.
  • Python SDK quickstarts were aligned across the homepage, documentation, ETF and data-category pages.
  • Independent About and Data Methodology pages were added for product and data transparency.

Independent QuantCoda foundation

  • Launched independent QuantCoda accounts, qc_live_ API keys and bilingual developer pages.
  • Published 45 standard data interfaces through REST, Python and MCP discovery surfaces.
  • Added independent canonical URLs, hreflang annotations, robots policy and XML sitemap.