old4ever/ca-marketplace-scraper
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ca-marketplace-scraper/.ruler/AGENTS.md
Dmytro Stanchiev b657ea594a chore: update agents docs 
Signed-off-by: Dmytro Stanchiev <git@dmytros.dev>
2026-04-30 22:29:01 -04:00

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ca-marketplace-scraper

Repo Shape

  • Bun workspace monorepo with packages under packages/*.
  • packages/core: scraper behavior, parsing, result types, cookie handling, HTTP helpers.
  • packages/api-server: Bun HTTP adapter exposing /api/* routes over core.
  • packages/mcp-server: MCP/JSON-RPC adapter that proxies to the API server.
  • cookies/: local cookie docs/examples only. Treat real cookie files as secrets.
  • dist/, node_modules/, .turbo/, .direnv/, .devenv/: generated/vendor/cache. Do not edit.

Commands

  • Install: bun install
  • Lint/format/typecheck: bun run ci
  • Build all packages: bun run build
  • Build bundled runtime output: bun run build:all
  • Run tests: bun test packages/core/test packages/api-server/test packages/mcp-server/test
  • API dev server: bun run --cwd packages/api-server dev
  • MCP dev server: bun run --cwd packages/mcp-server dev

Boundaries

  • Marketplace behavior belongs in packages/core, not adapter packages.
  • HTTP route code should parse request input, call core, and map status/errors.
  • MCP code should define tools, validate JSON-RPC flow, and map tool args to API URLs.
  • Keep API query params and MCP tool args in sync.
  • Shared public surface for scraper code is packages/core/src/index.ts; update exports deliberately.

Invariants

  • Cookie precedence in core helpers: explicit/request cookie string before environment variable.
  • Tests must be deterministic and offline. Mock fetch; do not hit live marketplace endpoints.
  • Use Bun and Bun-native APIs. Do not add Node-specific tooling unless already required.
  • Biome and strict TypeScript are contract. Fix code; do not relax config.

Verification

  • Core changes: bun test packages/core/test && bun run ci
  • Adapter-only changes: relevant package build plus bun run ci
  • Cross-package contract changes: bun test packages/core/test packages/api-server/test packages/mcp-server/test && bun run ci && bun run build

Gotchas

  • bunfig.toml points test root at ./do-not-run-tests-from-root; pass package test paths explicitly.
  • Root build cleans dist, then Turbo emits bundles for API and MCP.
  • scripts/start.sh launches dist/api/index.js and dist/mcp/index.js.
  • Package tsconfig.json files override root include; shared ambient declarations under root types/ must be included from each package that typechecks cross-package source.