phoenix-typescript-package-docs

Documents

Maintain the bundled TypeScript package docs that ship inside Phoenix npm packages. Use this skill whenever adding or updating docs for `@arizeai/phoenix-client`, `@arizeai/phoenix-evals`, or `@arizeai/phoenix-otel`, when changing the Mintlify package-doc pages, when keeping `node_modules/.../docs` content aligned with actual exports, or when modifying the sync and publish flow for packaged docs.

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Phoenix TypeScript Package Docs

Keep the curated TypeScript package docs aligned with the real npm package surface area and with the publish-time sync flow.

Quick Reference

Task	What to inspect	What to update
Fix a stale example	`js/packages/<pkg>/src/` exports and function signatures	Canonical MDX under `docs/phoenix/sdk-api-reference/typescript/packages/<pkg>/`
Add or remove a page	Existing package-doc folder and `docs.json` nav	Canonical MDX, `docs.json`, and any landing-page links
Add a new package to the bundled-docs system	`js/scripts/sync-package-docs.mjs` and package `package.json`	Sync map, package `files`, package `prepack`, and Mintlify nav
Verify publish output	`node js/scripts/sync-package-docs.mjs` and `npm pack --dry-run`	Generated `js/packages/<pkg>/docs/` contents and tarball entries

Source Of Truth

The canonical authored docs live in Mintlify pages:

docs/phoenix/sdk-api-reference/typescript/packages/phoenix-client/
docs/phoenix/sdk-api-reference/typescript/packages/phoenix-evals/
docs/phoenix/sdk-api-reference/typescript/packages/phoenix-otel/

The package examples remain in the package source trees:

js/packages/phoenix-client/examples/
js/packages/phoenix-evals/examples/
js/packages/phoenix-otel/examples/

The published npm docs are staged copies:

js/packages/phoenix-client/docs/
js/packages/phoenix-evals/docs/
js/packages/phoenix-otel/docs/

Do not hand-edit js/packages/*/docs/. Treat those folders as generated publish artifacts. Ground doc content in the real package src/ and examples/ directories, but keep the published package docs focused on curated MDX pages.

Current Packaging Flow

These files define the bundled-docs workflow:

js/scripts/sync-package-docs.mjs
js/packages/phoenix-client/package.json
js/packages/phoenix-evals/package.json
js/packages/phoenix-otel/package.json
docs.json
docs/phoenix/sdk-api-reference/typescript/overview.mdx
docs/phoenix/sdk-api-reference/typescript/arizeai-phoenix-client.mdx
docs/phoenix/sdk-api-reference/typescript/arizeai-phoenix-evals.mdx
docs/phoenix/sdk-api-reference/typescript/arizeai-phoenix-otel.mdx

Each supported package must have:

a canonical Mintlify package-doc folder
a docs entry in files
a prepack hook that runs the sync script for that package
a postpublish hook that removes staged package docs (not postpack — pnpm publish stats the package files after the pack lifecycle, so a postpack clean deletes them mid-publish and fails with ENOENT)
visible navigation in docs.json

Authoring Rules

1. Read code before editing docs

Always ground docs in the actual exported surface:

root exports: js/packages/<pkg>/src/index.ts
submodule exports: js/packages/<pkg>/src/<module>/index.ts
implementation and parameter shapes: matching files in src/**
real usage patterns: js/packages/<pkg>/examples/**

Do not infer argument names or object shapes from older docs. Confirm them from code first.

2. Document exported entrypoints, not internals

Prefer pages and examples that match package entrypoints a developer imports:

@arizeai/phoenix-client
@arizeai/phoenix-client/prompts
@arizeai/phoenix-client/spans
@arizeai/phoenix-client/sessions
@arizeai/phoenix-client/experiments
@arizeai/phoenix-evals
@arizeai/phoenix-evals/llm
@arizeai/phoenix-otel

Do not center docs around private helpers or internal-only module paths.

3. Keep the packaged docs flat

Inside each package docs/ folder, prefer a flat page layout such as:

overview.mdx
experiments.mdx

Top-level authored MDX pages should stay flat.

4. Keep website docs and packaged docs aligned

If you add, remove, or rename a package-doc page:

update the canonical MDX file
update docs.json
update any package landing page links that point into the package-doc section
rerun the sync script

5. Prefer examples that prove real shapes

When a function takes a wrapped object such as spanAnnotation, documentAnnotation, sessionAnnotation, spanNote, project, or dataset, the example must use the real wrapper shape from code.

Common failure mode: docs drift toward simplified pseudo-APIs that do not match actual exported parameter names.

6. Hide agent-only implementation context

When a page benefits from implementation breadcrumbs like internal src/** paths or a full source map, do not render them as visible Markdown headings, bullet lists, or fenced code blocks in Mintlify.

Use hidden semantic HTML instead:

<section
  className="hidden"
  data-agent-context="relevant-source-files"
  aria-label="Relevant source files"
>
  <h2>Relevant Source Files</h2>
  <ul>
    <li><code>src/example.ts</code> for the canonical implementation</li>
  </ul>
</section>

<section
  className="hidden"
  data-agent-context="source-map"
  aria-label="Source map"
>
  <h2>Source Map</h2>
  <ul>
    <li><code>src/index.ts</code></li>
    <li><code>src/helpers.ts</code></li>
  </ul>
</section>

Use semantic HTML elements like <section>, <h2>, <ul>, and <li> inside these hidden blocks rather than generic <div> wrappers, Markdown bullets, or fenced text blocks. Reserve this pattern for brief agent-only implementation context. Keep user-facing docs focused on API behavior, workflows, and runnable examples. Do not treat hidden blocks as access control. If content should be hidden from navigation as a whole, use a hidden page instead.

Workflow

Step 1: Determine the affected package and modules

Inspect the code change or user request and map it to one or more packages:

phoenix-client
phoenix-evals
phoenix-otel

Then inspect the corresponding src/ exports before writing docs.

Step 2: Update canonical Mintlify docs

Edit only the canonical pages:

docs/phoenix/sdk-api-reference/typescript/packages/<pkg>/*.mdx

If the change affects high-level discovery, also update:

docs/phoenix/sdk-api-reference/typescript/overview.mdx
docs/phoenix/sdk-api-reference/typescript/arizeai-phoenix-<pkg>.mdx

Step 3: Sync generated package docs

Run:

node js/scripts/sync-package-docs.mjs

Or for one package:

node js/scripts/sync-package-docs.mjs phoenix-client
node js/scripts/sync-package-docs.mjs phoenix-evals
node js/scripts/sync-package-docs.mjs phoenix-otel

This stages:

canonical MDX pages into js/packages/<pkg>/docs/

To remove staged docs manually:

node js/scripts/sync-package-docs.mjs clean phoenix-client

Step 4: Verify the npm artifact

From each affected package:

cd js/packages/phoenix-client && npm pack --dry-run
cd js/packages/phoenix-evals && npm pack --dry-run
cd js/packages/phoenix-otel && npm pack --dry-run

Confirm the tarball includes:

docs/*.mdx
src/**

Step 5: Check for nav and path regressions

If you changed page names or package coverage:

confirm docs.json still parses
confirm every referenced package-doc page exists
confirm the package landing pages link to the correct section

When Adding A New Bundled-Docs Package

If Phoenix starts shipping package docs for another TypeScript package, update all of:

docs/phoenix/sdk-api-reference/typescript/packages/<new-package>/
docs.json
js/scripts/sync-package-docs.mjs
js/packages/<new-package>/package.json

Required package manifest changes:

include docs in files
add a prepack hook that syncs the package docs

Validation Checklist

Examples match actual exported argument shapes
Canonical docs were edited instead of generated package docs
node js/scripts/sync-package-docs.mjs succeeds
npm pack --dry-run includes docs/*.mdx
docs.json paths still resolve

Anti-Patterns

Editing js/packages/*/docs/ directly
Updating examples without checking src/**
Documenting internal helpers instead of importable entrypoints
Adding a package-doc page without wiring it into docs.json
Updating Mintlify docs but forgetting to verify the packed npm artifact