diff --git a/src/groundrecall/groundrecall_source_adapters/__init__.py b/src/groundrecall/groundrecall_source_adapters/__init__.py
index b0b9fd3..54b6fbf 100644
--- a/src/groundrecall/groundrecall_source_adapters/__init__.py
+++ b/src/groundrecall/groundrecall_source_adapters/__init__.py
@@ -8,8 +8,10 @@ from .base import get_source_adapter, list_source_adapters
 from . import llmwiki  # noqa: F401
 from . import polypaper  # noqa: F401
 from . import doclift_bundle  # noqa: F401
+from . import indexcc  # noqa: F401
 from . import markdown_notes  # noqa: F401
 from . import transcript  # noqa: F401
 from . import didactopus_pack  # noqa: F401
+from . import pandasthumb_mt  # noqa: F401
 
 __all__ = ["get_source_adapter", "list_source_adapters"]
diff --git a/src/groundrecall/groundrecall_source_adapters/indexcc.py b/src/groundrecall/groundrecall_source_adapters/indexcc.py
new file mode 100644
index 0000000..fe5b0a1
--- /dev/null
+++ b/src/groundrecall/groundrecall_source_adapters/indexcc.py
@@ -0,0 +1,199 @@
+from __future__ import annotations
+
+from hashlib import sha256
+import json
+import re
+from pathlib import Path
+from typing import Any
+
+from .base import DiscoveredImportSource, StructuredImportRows, register_source_adapter
+
+
+SECTION_RE = re.compile(r"^##\s+(.*)$", re.M)
+
+
+def _site_root(root: Path) -> Path:
+    candidate = root / "site2_src" / "content" / "indexcc"
+    if candidate.is_dir():
+        return candidate
+    if (root / "content" / "indexcc").is_dir():
+        return root / "content" / "indexcc"
+    if root.name == "indexcc" and root.is_dir():
+        return root
+    return root
+
+
+def _discover_md_files(base: Path) -> list[Path]:
+    if not base.exists():
+        return []
+    if base.is_file():
+        return [base] if base.suffix.lower() == ".md" else []
+    return sorted(path for path in base.rglob("*.md") if path.is_file())
+
+
+def _read_meta(md_path: Path) -> dict[str, Any]:
+    meta_path = md_path.with_suffix(".meta.json")
+    if not meta_path.exists():
+        return {}
+    return json.loads(meta_path.read_text(encoding="utf-8"))
+
+
+def _split_sections(text: str) -> dict[str, str]:
+    lines = text.splitlines()
+    current = "Body"
+    sections: dict[str, list[str]] = {current: []}
+    for line in lines:
+        match = SECTION_RE.match(line)
+        if match:
+            current = match.group(1).strip()
+            sections.setdefault(current, [])
+            continue
+        sections.setdefault(current, []).append(line)
+    return {key: "\n".join(value).strip() for key, value in sections.items() if "\n".join(value).strip()}
+
+
+class IndexCcSourceAdapter:
+    name = "indexcc"
+
+    def detect(self, root: str | Path) -> bool:
+        base = _site_root(Path(root))
+        if not base.is_dir():
+            return False
+        md_files = _discover_md_files(base)
+        if not md_files:
+            return False
+        return any(str(_read_meta(path).get("page_kind", "")) == "claim_entry" for path in md_files)
+
+    def discover(self, root: str | Path) -> list[DiscoveredImportSource]:
+        base = _site_root(Path(root))
+        rows: list[DiscoveredImportSource] = []
+        for path in _discover_md_files(base):
+            rows.append(
+                DiscoveredImportSource(
+                    path=path,
+                    relative_path=path.relative_to(base).as_posix(),
+                    source_kind="indexcc",
+                    artifact_kind="indexcc_entry",
+                    is_text=True,
+                    metadata={"corpus": "indexcc"},
+                )
+            )
+        return rows
+
+    def import_intent(self) -> str:
+        return "grounded_knowledge"
+
+    def build_rows(self, context, sources: list[DiscoveredImportSource]) -> StructuredImportRows | None:
+        artifact_rows: list[dict[str, Any]] = []
+        observation_rows: list[dict[str, Any]] = []
+        claim_rows: list[dict[str, Any]] = []
+        concept_rows: list[dict[str, Any]] = []
+        relation_rows: list[dict[str, Any]] = []
+
+        for index, source in enumerate(sources, start=1):
+            meta = _read_meta(source.path)
+            text = source.path.read_text(encoding="utf-8")
+            sections = _split_sections(text)
+            title = str(meta.get("title") or source.path.stem)
+            claim_text = sections.get("Claim", "")
+            response_text = sections.get("Response", "")
+            references_text = sections.get("References", "")
+            further_text = sections.get("Further Reading", "")
+            artifact_id = f"ia_{sha256(source.relative_path.encode('utf-8')).hexdigest()[:12]}"
+            artifact_rows.append(
+                {
+                    "artifact_id": artifact_id,
+                    "import_id": context.import_id,
+                    "artifact_kind": source.artifact_kind,
+                    "path": source.relative_path,
+                    "title": title,
+                    "sha256": sha256(source.path.read_bytes()).hexdigest(),
+                    "created_at": context.imported_at,
+                    "metadata": {
+                        "corpus": "indexcc",
+                        "document_kind": meta.get("page_kind", "claim_entry"),
+                        "author": meta.get("author", ""),
+                        "legacy_source": meta.get("legacy_source", ""),
+                        "section_label": meta.get("section_label", ""),
+                        "page_kind": meta.get("page_kind", ""),
+                    },
+                    "current_status": "draft",
+                }
+            )
+
+            body_sections = [
+                ("Claim", claim_text),
+                ("Response", response_text),
+                ("References", references_text),
+                ("Further Reading", further_text),
+            ]
+            for sec_index, (section_name, section_text) in enumerate(body_sections, start=1):
+                if not section_text:
+                    continue
+                observation_rows.append(
+                    {
+                        "observation_id": f"obs_{artifact_id}_{sec_index}",
+                        "import_id": context.import_id,
+                        "artifact_id": artifact_id,
+                        "role": "summary" if section_name != "Claim" else "claim",
+                        "text": section_text,
+                        "origin_path": source.relative_path,
+                        "origin_section": section_name,
+                        "line_start": 0,
+                        "line_end": 0,
+                        "source_url": str(meta.get("legacy_source") or ""),
+                        "metadata": {
+                            "corpus": "indexcc",
+                            "document_kind": meta.get("page_kind", "claim_entry"),
+                            "section_name": section_name,
+                            "author": meta.get("author", ""),
+                        },
+                        "grounding_status": "grounded",
+                        "support_kind": "direct_source",
+                        "confidence_hint": 0.88 if section_name == "Claim" else 0.8,
+                        "current_status": "draft",
+                    }
+                )
+
+            claim_obs_id = f"obs_{artifact_id}_1" if claim_text else ""
+            if claim_text:
+                claim_rows.append(
+                    {
+                        "claim_id": f"clm_{artifact_id}",
+                        "import_id": context.import_id,
+                        "claim_text": claim_text,
+                        "claim_kind": "claim_entry",
+                        "source_observation_ids": [claim_obs_id],
+                        "supporting_fragment_ids": [],
+                        "concept_ids": [f"concept::{source.path.stem.lower()}"],
+                        "contradicts_claim_ids": [],
+                        "supersedes_claim_ids": [],
+                        "confidence_hint": 0.88,
+                        "grounding_status": "grounded",
+                        "current_status": "triaged",
+                    }
+                )
+
+            concept_rows.append(
+                {
+                    "concept_id": f"concept::{source.path.stem.lower()}",
+                    "import_id": context.import_id,
+                    "title": title,
+                    "aliases": [source.path.stem.upper()],
+                    "description": meta.get("description", "Imported Index to Creationist Claims entry."),
+                    "source_artifact_ids": [artifact_id],
+                    "current_status": "triaged",
+                }
+            )
+
+        return StructuredImportRows(
+            artifact_rows=artifact_rows,
+            fragment_rows=[],
+            observation_rows=observation_rows,
+            claim_rows=claim_rows,
+            concept_rows=concept_rows,
+            relation_rows=relation_rows,
+        )
+
+
+register_source_adapter(IndexCcSourceAdapter())
diff --git a/src/groundrecall/groundrecall_source_adapters/pandasthumb_mt.py b/src/groundrecall/groundrecall_source_adapters/pandasthumb_mt.py
new file mode 100644
index 0000000..83078ad
--- /dev/null
+++ b/src/groundrecall/groundrecall_source_adapters/pandasthumb_mt.py
@@ -0,0 +1,291 @@
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from hashlib import sha256
+from html.parser import HTMLParser
+from pathlib import Path
+import re
+from typing import Any
+
+from .base import DiscoveredImportSource, StructuredImportRows, register_source_adapter
+
+
+ARTIFACT_SUFFIXES = {".html", ".htm"}
+ARTICLE_TITLE_RE = re.compile(r'<h1 class="post-title">(.*?)</h1>', re.I | re.S)
+BYLINE_RE = re.compile(
+    r'<p class="post-meta">\s*Posted\s+(?P<date>.*?)\s+by\s+<span class="post-author">(?P<author>.*?)</span>',
+    re.I | re.S,
+)
+COMMENT_META_RE = re.compile(
+    r'<p class="comment-meta">\s*<span class="comment-author">(?P<author>.*?)</span>\s*&middot;\s*(?P<date>.*?)</p>',
+    re.I | re.S,
+)
+COMMENTS_SECTION_RE = re.compile(r'<section class="comments-section">(.*?)</section>', re.I | re.S)
+
+
+def _strip_tags(text: str) -> str:
+    return re.sub(r"(?s)<[^>]+>", " ", text)
+
+
+def _normalize_space(text: str) -> str:
+    text = text.replace("\r", "\n")
+    text = re.sub(r"[ \t]+\n", "\n", text)
+    text = re.sub(r"\n{3,}", "\n\n", text)
+    text = re.sub(r"[ \t]{2,}", " ", text)
+    return text.strip()
+
+
+def _fragment_to_text(fragment: str) -> str:
+    fragment = re.sub(r"(?is)<script\b.*?</script>", " ", fragment)
+    fragment = re.sub(r"(?is)<style\b.*?</style>", " ", fragment)
+    fragment = re.sub(
+        r'(?is)<a\b[^>]*href=["\']([^"\']+)["\'][^>]*>(.*?)</a>',
+        lambda match: f"{_strip_tags(match.group(2)).strip()} ({match.group(1).strip()})".strip(),
+        fragment,
+    )
+    fragment = re.sub(r"(?i)<br\s*/?>", "\n", fragment)
+    fragment = re.sub(r"(?i)</p\s*>", "\n\n", fragment)
+    fragment = re.sub(r"(?i)<p\b[^>]*>", "", fragment)
+    fragment = re.sub(r"(?i)</div\s*>", "\n", fragment)
+    fragment = re.sub(r"(?i)<div\b[^>]*>", "", fragment)
+    fragment = re.sub(r"(?i)</section\s*>", "\n", fragment)
+    fragment = re.sub(r"(?i)<section\b[^>]*>", "", fragment)
+    fragment = re.sub(r"(?i)</blockquote\s*>", "\n", fragment)
+    fragment = re.sub(r"(?i)<blockquote\b[^>]*>", "\n> ", fragment)
+    fragment = re.sub(r"(?i)</li\s*>", "\n", fragment)
+    fragment = re.sub(r"(?i)<li\b[^>]*>", "\n- ", fragment)
+    fragment = re.sub(r"(?i)<ul\b[^>]*>|</ul\s*>", "\n", fragment)
+    fragment = re.sub(r"(?i)<ol\b[^>]*>|</ol\s*>", "\n", fragment)
+    fragment = _strip_tags(fragment)
+    fragment = re.sub(r"\s*\n\s*", "\n", fragment)
+    return _normalize_space(fragment.replace("\xa0", " "))
+
+
+def _id_from_path(relative_path: str) -> str:
+    return f"pt_{sha256(relative_path.encode('utf-8')).hexdigest()[:12]}"
+
+
+def _site_root(root: Path) -> Path:
+    candidate = root / "public_html"
+    if (candidate / "archives").is_dir():
+        return candidate
+    return root
+
+
+def _discover_html_files(site_root: Path) -> list[Path]:
+    archives = site_root / "archives"
+    if not archives.is_dir():
+        return []
+    rows = []
+    for path in sorted(archives.rglob("*")):
+        if not path.is_file() or path.suffix.lower() not in ARTIFACT_SUFFIXES:
+            continue
+        if path.name.lower() == "index.html":
+            continue
+        rows.append(path)
+    return rows
+
+
+def _extract_article(html_text: str, relative_path: str) -> dict[str, Any] | None:
+    title_match = ARTICLE_TITLE_RE.search(html_text)
+    body_match = re.search(r'<div class="post-body">(.*)', html_text, re.I | re.S)
+    if title_match is None or body_match is None:
+        return None
+
+    meta_match = BYLINE_RE.search(html_text)
+    comments_match = COMMENTS_SECTION_RE.search(html_text)
+    body_html = body_match.group(1)
+    if comments_match is not None:
+        body_html = body_html[: comments_match.start() - body_match.end()]
+    body_text = _fragment_to_text(body_html)
+    title = _fragment_to_text(title_match.group(1))
+    author = _fragment_to_text(meta_match.group("author")) if meta_match else ""
+    published_at = _fragment_to_text(meta_match.group("date")) if meta_match else ""
+    canonical_url = "/" + relative_path.lstrip("/")
+    return {
+        "document_id": _id_from_path(relative_path),
+        "title": title,
+        "author": author,
+        "published_at": published_at,
+        "canonical_url": canonical_url,
+        "body_text": body_text,
+    }
+
+
+def _extract_comments(html_text: str, relative_path: str, parent_document_id: str) -> list[dict[str, Any]]:
+    comments_match = COMMENTS_SECTION_RE.search(html_text)
+    if comments_match is None:
+        return []
+    comments_html = comments_match.group(1)
+    rows: list[dict[str, Any]] = []
+    starts = list(re.finditer(r'<div class="comment" id="comment-(?P<comment_id>\d+)">', comments_html, re.I))
+    for index, match in enumerate(starts):
+        start = match.end()
+        end = starts[index + 1].start() if index + 1 < len(starts) else len(comments_html)
+        chunk = comments_html[start:end]
+        meta_match = COMMENT_META_RE.search(chunk)
+        body_match = re.search(r'<div class="comment-body">(.*)</div>', chunk, re.I | re.S)
+        if body_match is None:
+            continue
+        rows.append(
+            {
+                "document_id": f"{parent_document_id}__comment_{match.group('comment_id')}",
+                "parent_document_id": parent_document_id,
+                "comment_id": match.group("comment_id"),
+                "document_kind": "comment",
+                "comment_author": _fragment_to_text(meta_match.group("author")) if meta_match else "",
+                "comment_date": _fragment_to_text(meta_match.group("date")) if meta_match else "",
+                "canonical_url": "/" + relative_path.lstrip("/"),
+                "body_text": _fragment_to_text(body_match.group(1)),
+            }
+        )
+    return rows
+
+
+class PandasThumbMtSourceAdapter:
+    name = "pandasthumb_mt"
+
+    def detect(self, root: str | Path) -> bool:
+        site_root = _site_root(Path(root))
+        return (site_root / "archives").is_dir() and (site_root / "index.html").exists()
+
+    def discover(self, root: str | Path) -> list[DiscoveredImportSource]:
+        site_root = _site_root(Path(root))
+        rows: list[DiscoveredImportSource] = []
+        for path in _discover_html_files(site_root):
+            rows.append(
+                DiscoveredImportSource(
+                    path=path,
+                    relative_path=path.relative_to(site_root).as_posix(),
+                    source_kind="pandasthumb_mt",
+                    artifact_kind="pandasthumb_mt_page",
+                    is_text=True,
+                    metadata={"corpus": "pandasthumb_mt"},
+                )
+            )
+        return rows
+
+    def import_intent(self) -> str:
+        return "grounded_knowledge"
+
+    def build_rows(self, context, sources: list[DiscoveredImportSource]) -> StructuredImportRows | None:
+        artifact_rows: list[dict[str, Any]] = []
+        observation_rows: list[dict[str, Any]] = []
+        claim_rows: list[dict[str, Any]] = []
+        concept_rows: list[dict[str, Any]] = []
+        relation_rows: list[dict[str, Any]] = []
+
+        for source in sources:
+            html_text = source.path.read_text(encoding="utf-8", errors="replace")
+            article = _extract_article(html_text, source.relative_path)
+            if article is None:
+                continue
+
+            artifact_id = _id_from_path(source.relative_path)
+            artifact_rows.append(
+                {
+                    "artifact_id": artifact_id,
+                    "import_id": context.import_id,
+                    "artifact_kind": source.artifact_kind,
+                    "path": source.relative_path,
+                    "title": article["title"],
+                    "sha256": sha256(source.path.read_bytes()).hexdigest(),
+                    "created_at": context.imported_at,
+                    "metadata": {
+                        "corpus": "pandasthumb_mt",
+                        "document_kind": "article",
+                        "author": article["author"],
+                        "published_at": article["published_at"],
+                        "canonical_url": article["canonical_url"],
+                    },
+                    "current_status": "draft",
+                }
+            )
+            observation_rows.append(
+                {
+                    "observation_id": f"obs_{artifact_id}_body",
+                    "import_id": context.import_id,
+                    "artifact_id": artifact_id,
+                    "role": "summary",
+                    "text": article["body_text"],
+                    "origin_path": source.relative_path,
+                    "origin_section": article["title"],
+                    "line_start": 0,
+                    "line_end": 0,
+                    "source_url": article["canonical_url"],
+                    "metadata": {
+                        "corpus": "pandasthumb_mt",
+                        "document_kind": "article",
+                        "author": article["author"],
+                        "published_at": article["published_at"],
+                    },
+                    "grounding_status": "grounded",
+                    "support_kind": "direct_source",
+                    "confidence_hint": 0.75,
+                    "current_status": "draft",
+                }
+            )
+
+            for comment in _extract_comments(html_text, source.relative_path, artifact_id):
+                comment_artifact_id = comment["document_id"]
+                artifact_rows.append(
+                    {
+                        "artifact_id": comment_artifact_id,
+                        "import_id": context.import_id,
+                        "artifact_kind": "pandasthumb_mt_comment",
+                        "path": source.relative_path,
+                        "title": f"{article['title']} comment {comment['comment_id']}",
+                        "sha256": sha256(
+                            f"{source.relative_path}#{comment['comment_id']}".encode("utf-8")
+                        ).hexdigest(),
+                        "created_at": context.imported_at,
+                        "metadata": {
+                            "corpus": "pandasthumb_mt",
+                            "document_kind": "comment",
+                            "parent_document_id": artifact_id,
+                            "comment_id": comment["comment_id"],
+                            "comment_author": comment["comment_author"],
+                            "comment_date": comment["comment_date"],
+                            "canonical_url": comment["canonical_url"],
+                        },
+                        "current_status": "draft",
+                    }
+                )
+                observation_rows.append(
+                    {
+                        "observation_id": f"obs_{comment_artifact_id}_body",
+                        "import_id": context.import_id,
+                        "artifact_id": comment_artifact_id,
+                        "role": "summary",
+                        "text": comment["body_text"],
+                        "origin_path": source.relative_path,
+                        "origin_section": f"comment {comment['comment_id']}",
+                        "line_start": 0,
+                        "line_end": 0,
+                        "source_url": comment["canonical_url"],
+                        "metadata": {
+                            "corpus": "pandasthumb_mt",
+                            "document_kind": "comment",
+                            "parent_document_id": artifact_id,
+                            "comment_id": comment["comment_id"],
+                            "comment_author": comment["comment_author"],
+                            "comment_date": comment["comment_date"],
+                        },
+                        "grounding_status": "grounded",
+                        "support_kind": "direct_source",
+                        "confidence_hint": 0.7,
+                        "current_status": "draft",
+                    }
+                )
+
+        return StructuredImportRows(
+            artifact_rows=artifact_rows,
+            fragment_rows=[],
+            observation_rows=observation_rows,
+            claim_rows=claim_rows,
+            concept_rows=concept_rows,
+            relation_rows=relation_rows,
+        )
+
+
+register_source_adapter(PandasThumbMtSourceAdapter())
diff --git a/src/groundrecall/query.py b/src/groundrecall/query.py
index 98b78cf..0949a9b 100644
--- a/src/groundrecall/query.py
+++ b/src/groundrecall/query.py
@@ -121,6 +121,66 @@ def search_claims(
     }
 
 
+def _artifact_corpus(artifact) -> str:
+    corpus = artifact.metadata.get("corpus") if isinstance(getattr(artifact, "metadata", None), dict) else ""
+    return str(corpus or "")
+
+
+def search_documents(
+    store_dir: str | Path,
+    text: str,
+    corpora: list[str] | None = None,
+    include_rejected: bool = False,
+    limit: int = 20,
+) -> dict[str, Any]:
+    store = GroundRecallStore(store_dir)
+    artifacts = {item.artifact_id: item for item in store.list_artifacts()}
+    observations_by_artifact: dict[str, list[Any]] = {}
+    for observation in store.list_observations():
+        observations_by_artifact.setdefault(observation.artifact_id, []).append(observation)
+
+    active_corpora = {value for value in (corpora or []) if value}
+    matches: list[dict[str, Any]] = []
+
+    for artifact in artifacts.values():
+        corpus = _artifact_corpus(artifact)
+        if active_corpora and corpus not in active_corpora:
+            continue
+        if not include_rejected and artifact.current_status == "rejected":
+            continue
+
+        artifact_observations = observations_by_artifact.get(artifact.artifact_id, [])
+        haystack_parts = [
+            artifact.title,
+            artifact.path,
+            corpus,
+            str(artifact.metadata.get("document_kind", "")),
+            str(artifact.metadata.get("author", "")),
+            str(artifact.metadata.get("canonical_url", "")),
+            str(artifact.metadata.get("published_at", "")),
+        ]
+        haystack_parts.extend(observation.text for observation in artifact_observations)
+        haystack = " ".join(part for part in haystack_parts if part)
+        if _matches(text, haystack):
+            matches.append(
+                {
+                    "artifact": artifact.model_dump(),
+                    "corpus": corpus,
+                    "observation_count": len(artifact_observations),
+                    "matching_text": haystack[:800],
+                }
+            )
+        if len(matches) >= limit:
+            break
+
+    return {
+        "query_type": "document_search",
+        "query": text,
+        "active_corpora": sorted(active_corpora),
+        "matches": matches,
+    }
+
+
 def query_provenance(
     store_dir: str | Path,
     origin_path: str | None = None,
@@ -178,12 +238,34 @@ def build_query_bundle_for_concept(store_dir: str | Path, concept_ref: str) -> d
     }
 
 
+def build_search_bundle(
+    store_dir: str | Path,
+    text: str,
+    corpora: list[str] | None = None,
+    limit: int = 20,
+) -> dict[str, Any]:
+    payload = search_documents(store_dir, text=text, corpora=corpora, limit=limit)
+    return {
+        "bundle_kind": "groundrecall_search_bundle",
+        "query_type": "document_search",
+        "query": text,
+        "active_corpora": payload["active_corpora"],
+        "matches": payload["matches"],
+        "suggested_next_actions": [
+            "Open the matching documents and review the artifact metadata.",
+            "Tighten the corpus filter when the result set is too broad.",
+            "Use corpus defaults for a site-specific search preset and add others only when needed.",
+        ],
+    }
+
+
 def build_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(description="Query canonical GroundRecall objects.")
     parser.add_argument("store_dir")
     parser.add_argument("query")
-    parser.add_argument("--kind", choices=["concept", "claim", "provenance", "bundle"], default="concept")
+    parser.add_argument("--kind", choices=["concept", "claim", "provenance", "bundle", "search"], default="concept")
     parser.add_argument("--source-url", default=None)
+    parser.add_argument("--corpus", action="append", default=[])
     return parser
 
 
@@ -195,6 +277,8 @@ def main() -> None:
         payload = search_claims(args.store_dir, args.query)
     elif args.kind == "provenance":
         payload = query_provenance(args.store_dir, origin_path=args.query, source_url=args.source_url)
+    elif args.kind == "search":
+        payload = build_search_bundle(args.store_dir, args.query, corpora=list(args.corpus or []))
     else:
         payload = build_query_bundle_for_concept(args.store_dir, args.query)
     print(json.dumps(payload, indent=2))
diff --git a/src/groundrecall/source_adapters/indexcc.py b/src/groundrecall/source_adapters/indexcc.py
new file mode 100644
index 0000000..77ecf70
--- /dev/null
+++ b/src/groundrecall/source_adapters/indexcc.py
@@ -0,0 +1,3 @@
+from __future__ import annotations
+
+from ..groundrecall_source_adapters.indexcc import *  # noqa: F403
diff --git a/src/groundrecall/source_adapters/pandasthumb_mt.py b/src/groundrecall/source_adapters/pandasthumb_mt.py
new file mode 100644
index 0000000..5ec9fa1
--- /dev/null
+++ b/src/groundrecall/source_adapters/pandasthumb_mt.py
@@ -0,0 +1,3 @@
+from __future__ import annotations
+
+from ..groundrecall_source_adapters.pandasthumb_mt import *  # noqa: F403
diff --git a/tests/test_groundrecall_source_adapters.py b/tests/test_groundrecall_source_adapters.py
index a3df40c..5bbd04c 100644
--- a/tests/test_groundrecall_source_adapters.py
+++ b/tests/test_groundrecall_source_adapters.py
@@ -27,6 +27,8 @@ def test_groundrecall_source_adapter_registry_lists_expected_adapters() -> None:
     assert "transcript" in names
     assert "didactopus_pack" in names
     assert "doclift_bundle" in names
+    assert "indexcc" in names
+    assert "pandasthumb_mt" in names
 
 
 def test_detect_llmwiki_adapter(tmp_path: Path) -> None:
@@ -75,6 +77,70 @@ def test_markdown_notes_adapter_ingests_tex_files(tmp_path: Path) -> None:
     assert result.claims
 
 
+def test_plain_markdown_directory_uses_markdown_notes_adapter(tmp_path: Path) -> None:
+    (tmp_path / "note.md").write_text("# Operational Note\n\nA plain note.\n", encoding="utf-8")
+
+    adapter = detect_source_adapter(tmp_path)
+
+    assert adapter.name == "markdown_notes"
+
+
+def test_indexcc_adapter_import_generates_rows(tmp_path: Path) -> None:
+    indexcc_dir = tmp_path / "site2_src" / "content" / "indexcc"
+    indexcc_dir.mkdir(parents=True)
+    (indexcc_dir / "CA100.md").write_text(
+        "\n".join(
+            [
+                "## Claim",
+                "",
+                "Argument from incredulity claim.",
+                "",
+                "## Response",
+                "",
+                "A lack of imagination is not evidence of impossibility.",
+            ]
+        ),
+        encoding="utf-8",
+    )
+    (indexcc_dir / "CA100.meta.json").write_text(
+        '{"title": "CA100: Argument from Incredulity", "page_kind": "claim_entry", "legacy_source": "/indexcc/CA/CA100.html"}\n',
+        encoding="utf-8",
+    )
+
+    result = run_groundrecall_import(tmp_path, mode="quick", import_id="indexcc-test")
+
+    assert result.manifest["source_adapter"] == "indexcc"
+    assert result.manifest["import_intent"] == "grounded_knowledge"
+    assert result.manifest["fragment_count"] == 0
+    assert result.artifacts[0]["metadata"]["corpus"] == "indexcc"
+    assert result.claims[0]["claim_kind"] == "claim_entry"
+
+
+def test_pandasthumb_mt_adapter_import_generates_article_rows(tmp_path: Path) -> None:
+    public_html = tmp_path / "public_html"
+    archive_dir = public_html / "archives" / "2016" / "01"
+    archive_dir.mkdir(parents=True)
+    (public_html / "index.html").write_text("<html><body>PT</body></html>\n", encoding="utf-8")
+    (archive_dir / "sample.html").write_text(
+        "\n".join(
+            [
+                '<h1 class="post-title">Sample Article</h1>',
+                '<p class="post-meta">Posted 2016-01-01 by <span class="post-author">Author Name</span></p>',
+                '<div class="post-body"><p>Article body text.</p></div>',
+            ]
+        ),
+        encoding="utf-8",
+    )
+
+    result = run_groundrecall_import(tmp_path, mode="quick", import_id="ptmt-test")
+
+    assert result.manifest["source_adapter"] == "pandasthumb_mt"
+    assert result.manifest["import_intent"] == "grounded_knowledge"
+    assert result.manifest["fragment_count"] == 0
+    assert result.artifacts[0]["metadata"]["corpus"] == "pandasthumb_mt"
+    assert result.observations[0]["text"] == "Article body text."
+
+
 def test_tex_import_uses_pandoc_markdown_when_available(tmp_path: Path, monkeypatch) -> None:
     (tmp_path / "draft.tex").write_text(
         "\\section{Ignored by fallback}\n"