ArcadeAI
diff --git a/‎.github/workflows/generate-toolkit-docs.yml‎
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diff --git a/‎toolkit-docs-generator/README.md‎
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@@ -21,6 +21,10 @@ permissions:
 jobs:
   generate:
     runs-on: ubuntu-latest
+    # Opt in to Node 24 for JavaScript actions before GitHub forces the
+    # switch on 2026-06-02. Harmless today; unblocks the cutover.
+    env:
+      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
 
     steps:
       - name: Checkout repository
@@ -57,6 +61,9 @@ jobs:
             --llm-provider openai \
             --llm-model "$OPENAI_MODEL" \
             --llm-api-key "$OPENAI_API_KEY" \
+            --llm-editor-provider anthropic \
+            --llm-editor-model "$ANTHROPIC_EDITOR_MODEL" \
+            --llm-editor-api-key "$ANTHROPIC_API_KEY" \
             --toolkit-concurrency 8 \
             --llm-concurrency 15 \
             --exclude-file ./excluded-toolkits.txt \
@@ -68,6 +75,11 @@ jobs:
           ENGINE_API_KEY: ${{ secrets.ENGINE_API_KEY }}
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
           OPENAI_MODEL: ${{ secrets.OPENAI_MODEL || 'gpt-4o-mini' }}
+          # Stronger model for the secret-coherence editor. Keeps
+          # stale-secret cleanup precise instead of re-summarizing the whole
+          # artifact (which gpt-4o-mini tends to do).
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          ANTHROPIC_EDITOR_MODEL: ${{ secrets.ANTHROPIC_EDITOR_MODEL || 'claude-sonnet-4-6' }}
 
       - name: Sync toolkit sidebar navigation
         run: pnpm dlx tsx toolkit-docs-generator/scripts/sync-toolkit-sidebar.ts --remove-empty-sections=false --verbose
 
@@ -42,6 +42,8 @@ Required secrets:
 Optional secrets:
 
 - `OPENAI_MODEL` (defaults in the workflow)
+- `ANTHROPIC_API_KEY` enables the secret-coherence editor (see below). Without it the workflow still runs; the scanners emit warnings but no LLM edits are applied.
+- `ANTHROPIC_EDITOR_MODEL` (defaults to `claude-sonnet-4-6` in the workflow)
 
 ## Rendering pipeline (docs site)
 
@@ -66,6 +68,57 @@ The docs site consumes the generated JSON directly:
 
 This step does not change JSON output. It only updates navigation files.
 
+## Secret coherence (stale-reference cleanup + coverage check)
+
+When a toolkit loses a secret upstream (typically because the tool that required it was removed), the rendered docs can keep mentioning it in the summary and in hand-authored documentation chunks. Symmetrically, a toolkit can end up with current secrets the summary never names, or name them without any link to the Arcade config docs.
+
+The generator runs two checks after summary generation, in [`src/merger/secret-coherence.ts`](src/merger/secret-coherence.ts) and [`src/llm/secret-edit-generator.ts`](src/llm/secret-edit-generator.ts):
+
+1. **Stale-reference scan** (deterministic): diffs current vs previous toolkit secret sets and searches the summary, every toolkit-level `documentationChunks` entry, and every per-tool chunk for any removed secret name. Exact substring match — secret names are distinctive ALLCAPS_WITH_UNDER.
+2. **Coverage-gap scan** (deterministic): flags any current secret that is not mentioned in the summary and any summary that lacks a link to the Arcade secret config docs.
+
+If an LLM editor is configured (`--llm-editor-provider` / `--llm-editor-model` / `--llm-editor-api-key`), both classes of issue are auto-fixed:
+
+- Stale references are removed with a **minimum-necessary edit** prompt — whole sentences, bullets, or table rows that exist only to describe the removed secret are deleted; sentences that mention the removed secret alongside other content are minimally rewritten; nothing else is touched. This is intentionally different from the summary generator, which rewrites from scratch and tends to oversimplify.
+- Missing secrets get appended to the summary's `**Secrets**` section with as much detail as the secret actually needs — a short URL override may be one line; a scoped API key typically needs several sentences describing the provider dashboard page, required scopes or permissions, and account-tier constraints, plus an inline link to the provider's own documentation for how to create it. The prompt explicitly forbids inventing docs URLs.
+- Missing Arcade-config links are added at the end of the `**Secrets**` section.
+- The editor is instructed to preserve surrounding content verbatim (no re-summarization, no reorder).
+
+When the editor is not configured, the scanners still run and their findings land as non-fatal warnings in the run log. Editor exceptions are caught individually so a single LLM failure does not break the run.
+
+The default editor model is **Claude Sonnet 4.6** — chosen to avoid the oversimplification observed when bulk summaries were regenerated by `gpt-4o-mini`. Override with `--llm-editor-model` or the `LLM_EDITOR_MODEL` / `ANTHROPIC_EDITOR_MODEL` env var.
+
+### OAuth section in summaries
+
+The summary generator is configured to **never list OAuth scopes** in the generated overview. Each per-provider Arcade auth docs page (under `/en/references/auth-providers/<providerId>`) is the source of truth for scopes and configuration; the summary links to it instead of duplicating. This keeps the overview scannable and prevents drift when provider pages update their scope lists.
+
+### CLI flags
+
+- `--llm-editor-provider <openai|anthropic>` — editor provider. Falls back to `LLM_EDITOR_PROVIDER`.
+- `--llm-editor-model <model>` — editor model. Falls back to `LLM_EDITOR_MODEL` / `ANTHROPIC_EDITOR_MODEL`.
+- `--llm-editor-api-key <key>` — editor API key. Falls back to `LLM_EDITOR_API_KEY`, then `ANTHROPIC_API_KEY` / `OPENAI_API_KEY` per provider.
+- `--llm-editor-base-url <url>` — override editor base URL.
+- `--llm-editor-temperature <number>` — editor temperature.
+- `--llm-editor-max-tokens <number>` — editor max output tokens (default `8192`).
+- `--llm-editor-max-retries <number>` — retry attempts on transient errors (default `3`).
+- `--skip-secret-coherence` — disable both the scan and the edit step entirely.
+
+### Local example (editor on)
+
+```bash
+pnpm dlx tsx src/cli/index.ts generate \
+  --providers "Github" \
+  --tool-metadata-url "$ENGINE_API_URL" \
+  --tool-metadata-key "$ENGINE_API_KEY" \
+  --llm-provider openai \
+  --llm-model gpt-4.1-mini \
+  --llm-api-key "$OPENAI_API_KEY" \
+  --llm-editor-provider anthropic \
+  --llm-editor-model claude-sonnet-4-6 \
+  --llm-editor-api-key "$ANTHROPIC_API_KEY" \
+  --output data/toolkits
+```
+
 ## Architecture at a glance
 
 - **CLI**: `toolkit-docs-generator/src/cli/index.ts`
@@ -182,6 +235,8 @@ deletes it and rebuilds `index.json`.
 - `--previous-output` compare against a previous output directory
 - `--custom-sections` load curated docs sections
 - `--skip-examples`, `--skip-summary` disable LLM steps
+- `--skip-secret-coherence` disable the stale-reference scan + coverage fill (see the Secret coherence section)
+- `--llm-editor-provider`, `--llm-editor-model`, `--llm-editor-api-key` configure the secret-coherence editor (Sonnet 4.6 by default)
 - `--no-verify-output` skip output verification
 
 ## Troubleshooting