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Changelog

All notable changes to context-engine-ai are documented here.

[0.3.0] - 2026-03-16

Added

  • Pricing model — Free (MIT, full-featured) / Pro ($29/mo) / Team ($99/mo) / Enterprise (custom)
  • docs/pricing.md — detailed pricing page with plan comparison, FAQ, and annual pricing
  • Pricing section in README with tier comparison table
  • Cloud API waitlist (email oneiro-dev@proton.me)

[0.2.3] - 2026-03-05

Fixed

  • README API Reference: count() and clear() methods were missing (added in 0.2.1)
  • README REST Endpoints table: GET /count and DELETE /events were missing
  • README Examples table: agent-context.js was missing

Changed

  • Updated Claude model reference in README to claude-sonnet-4-6

[0.2.2] - 2026-03-05

Added

  • MCP (Model Context Protocol) server example — use context-engine as a tool server in Claude Desktop, Cursor, Windsurf, or any MCP client (examples/mcp-server.js)
  • mcp and model-context-protocol keywords for npm discoverability
  • MCP Quick Start section in README

[0.2.1] - 2026-03-04

Fixed

  • CLI --version now reports the correct version (was hardcoded to 0.1.0)

Added

  • engine.count() — returns the number of events currently stored
  • engine.clear() — removes all stored events
  • HTTP GET /count — returns { count: number } from the running server
  • HTTP DELETE /events — clears all events from the running server
  • Tests for count(), clear(), and the new HTTP endpoints (17 tests total)

[0.2.0] - 2026-03-02

Added

  • Dual CLI binary: install as context-engine or context-engine-ai
  • Full TypeScript types exported from the package
  • Example implementations: basic.js, server.js, ai-agent.js, webhook-server.js
  • Comprehensive README with API reference, comparison table, and use cases
  • Benchmarks: ~0.1ms ingest, ~0.1ms query (local TF-IDF + SQLite, 1000 events)
  • funding field in package.json

Changed

  • Improved npm keywords for discoverability
  • Clearer description in package.json

[0.1.0] - 2026-03-01

Added

  • Initial release
  • ContextEngine class with ingest(), query(), recent(), serve(), close()
  • SQLite storage adapter (default, zero config, in-memory or file)
  • PostgreSQL + pgvector storage adapter
  • Local TF-IDF embedding provider (no API keys, deterministic)
  • OpenAI embedding provider (text-embedding-3-small)
  • Temporal decay scoring
  • Deduplication with configurable window and cosine similarity threshold
  • Auto-pruning when event limit is reached
  • HTTP REST server (/ingest, /context, /recent, /health)
  • CLI (context-engine serve, context-engine demo)
  • 14 passing tests across storage, engine, and server
  • CI on Node 18, 20, 22