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"""
agent_add.py -- Add new agents with intake gate + wiki ingestion.
Mirror of ``skill_add`` for the agent subject type. Agents live as flat
``.md`` files under ``~/.claude/agents/`` (unlike skills, which each get
their own directory). The flow is therefore shorter:
validate name -> read content -> intake gate -> copy file ->
record embedding -> write wiki entity page -> log
Usage
-----
# Single agent
python agent_add.py --agent-path /path/to/agent.md --name my-agent \
--wiki ~/.claude/skill-wiki --agents-dir ~/.claude/agents
# Batch from directory (every *.md at depth 1 is treated as an agent)
python agent_add.py --scan-dir /path/to/new-agents/ \
--wiki ~/.claude/skill-wiki --agents-dir ~/.claude/agents
"""
import argparse
import os
import sys
from datetime import datetime, timezone
from pathlib import Path
from ctx.core.entity_update import build_update_review, render_update_review
from ctx_config import cfg
from ctx.adapters.claude_code.install.install_utils import safe_copy_file
from intake_pipeline import IntakeRejected, check_intake, record_embedding
from wiki_batch_entities import generate_agent_page
from ctx.core.wiki.wiki_queue import enqueue_entity_upsert
from ctx.core.wiki.wiki_sync import append_log, ensure_wiki, update_index
from ctx.core.wiki.wiki_utils import validate_skill_name
from ctx.utils._fs_utils import reject_symlink_path, safe_atomic_write_text
TODAY = datetime.now(timezone.utc).strftime("%Y-%m-%d")
# Match skill_add's ceiling — agents are prose, 1 MB is absurdly generous.
_MAX_AGENT_BYTES = 1_048_576
def install_agent(source: Path, agents_dir: Path, name: str) -> Path:
"""Copy agent file into ``agents_dir/<name>.md``.
Unlike :func:`skill_add.install_skill`, agents are flat single-file
entries — no per-agent subdirectory.
"""
dest = agents_dir / f"{name}.md"
safe_copy_file(source, dest, dest_root=agents_dir)
return dest
def write_entity_page(wiki_path: Path, name: str, content: str) -> bool:
"""Write agent entity page. Returns True if newly created."""
page = wiki_path / "entities" / "agents" / f"{name}.md"
reject_symlink_path(page)
is_new = not page.exists()
safe_atomic_write_text(page, content, encoding="utf-8")
return is_new
def add_agent(
*,
source_path: Path,
name: str,
wiki_path: Path,
agents_dir: Path,
review_existing: bool = False,
update_existing: bool = False,
) -> dict:
"""Add a single agent: validate, gate, install, ingest, log.
Returns a result dict with keys: name, installed, is_new_page.
"""
validate_skill_name(name)
file_size = source_path.stat().st_size
if file_size > _MAX_AGENT_BYTES:
raise ValueError(
f"agent file too large ({file_size:,} bytes). Max "
f"{_MAX_AGENT_BYTES:,}. Trim before ingestion."
)
content = source_path.read_text(encoding="utf-8", errors="replace")
line_count = len(content.splitlines())
installed_path = agents_dir / f"{name}.md"
entity_page = wiki_path / "entities" / "agents" / f"{name}.md"
existing_path = (
installed_path
if installed_path.exists()
else entity_page if entity_page.exists() else None
)
has_existing = existing_path is not None
if review_existing and has_existing and not update_existing:
assert existing_path is not None
existing_text = existing_path.read_text(encoding="utf-8", errors="replace")
review = build_update_review(
entity_type="agent",
slug=name,
existing_text=existing_text,
proposed_text=content,
)
return {
"name": name,
"installed": str(installed_path),
"is_new_page": False,
"skipped": True,
"update_required": True,
"update_review": render_update_review(review),
}
decision = None
if not has_existing:
# Intake gate: reject broken/duplicate agents before we install.
# Existing updates bypass similarity intake because they compare
# against their own cached embedding.
decision = check_intake(content, "agents")
if not decision.allow:
raise IntakeRejected(decision)
# 1. Install into agents-dir.
installed_path = install_agent(source_path, agents_dir, name)
# 2. Record embedding. Non-fatal on failure — install already
# succeeded and a missing vector only weakens the next check.
try:
record_embedding(subject_id=name, raw_md=content, subject_type="agents")
except Exception as exc: # noqa: BLE001 — cache failure must not break install
print(
f"Warning: failed to record intake embedding for {name}: {exc}",
file=sys.stderr,
)
# 3. Write wiki entity page via the shared generator so the agent
# page layout stays consistent with wiki_batch_entities output.
page_content = generate_agent_page(name, installed_path)
is_new = write_entity_page(wiki_path, name, page_content)
# 4. Index + log.
if is_new:
update_index(str(wiki_path), [name], subject_type="agents")
log_details = [
f"Source: {source_path}",
f"Installed: {installed_path}",
f"Lines: {line_count}",
]
warnings = decision.warnings if decision is not None else ()
if warnings:
log_details.append(
"Warnings: " + "; ".join(f"{w.code}:{w.message}" for w in warnings)
)
append_log(str(wiki_path), "add-agent", name, log_details)
queue_job = enqueue_entity_upsert(
wiki_path,
entity_type="agent",
slug=name,
entity_path=wiki_path / "entities" / "agents" / f"{name}.md",
content=page_content,
action="created" if is_new else "updated",
source="agent_add",
)
return {
"name": name,
"installed": str(installed_path),
"is_new_page": is_new,
"skipped": False,
"update_required": False,
"queued_job_id": queue_job.id,
}
# ── CLI ───────────────────────────────────────────────────────────────
def main() -> None:
parser = argparse.ArgumentParser(description="Add new agents with wiki ingestion")
parser.add_argument("--agent-path", help="Path to a single agent .md to add")
parser.add_argument("--name", help="Agent name (required with --agent-path)")
parser.add_argument(
"--scan-dir",
help="Directory of agent .md files to batch-add (non-recursive)",
)
parser.add_argument(
"--skip-existing",
action="store_true",
help="Skip agents already installed (prevents overwrites)",
)
parser.add_argument(
"--update-existing",
action="store_true",
help="Apply the reviewed replacement when an agent already exists",
)
parser.add_argument("--wiki", default=str(cfg.wiki_dir), help="Wiki path")
parser.add_argument(
"--agents-dir",
default=str(cfg.agents_dir),
help="Agents install path",
)
args = parser.parse_args()
wiki_path = Path(os.path.expanduser(args.wiki))
agents_dir = Path(os.path.expanduser(args.agents_dir))
ensure_wiki(str(wiki_path))
agents_dir.mkdir(parents=True, exist_ok=True)
if args.agent_path and args.scan_dir:
print("Error: use --agent-path or --scan-dir, not both.", file=sys.stderr)
sys.exit(1)
if not args.agent_path and not args.scan_dir:
print("Error: --agent-path or --scan-dir is required.", file=sys.stderr)
sys.exit(1)
candidates: list[tuple[Path, str]] = []
if args.agent_path:
if not args.name:
print("Error: --name is required with --agent-path.", file=sys.stderr)
sys.exit(1)
source = Path(os.path.expanduser(args.agent_path))
if not source.exists():
print(f"Error: {source} does not exist.", file=sys.stderr)
sys.exit(1)
candidates.append((source, args.name))
if args.scan_dir:
scan_root = Path(os.path.expanduser(args.scan_dir))
if not scan_root.exists():
print(f"Error: {scan_root} does not exist.", file=sys.stderr)
sys.exit(1)
# Non-recursive: only top-level *.md files. Nested agents are
# rare enough that forcing an explicit path is safer than
# surprise recursion sweeping up unrelated markdown.
for agent_md in sorted(scan_root.glob("*.md")):
candidates.append((agent_md, agent_md.stem))
if not candidates:
print(f"No agent .md files found under {scan_root}.", file=sys.stderr)
sys.exit(0)
added = updated = skipped = rejected = errors = 0
total = len(candidates)
for i, (source_path, name) in enumerate(candidates, 1):
if args.skip_existing and (agents_dir / f"{name}.md").exists():
skipped += 1
if skipped <= 5 or skipped % 100 == 0:
print(f" [{i}/{total}] [skipped] {name}")
continue
try:
result = add_agent(
source_path=source_path,
name=name,
wiki_path=wiki_path,
agents_dir=agents_dir,
review_existing=True,
update_existing=args.update_existing,
)
if result.get("skipped"):
skipped += 1
if result.get("update_review"):
print(result["update_review"])
print(f" [{i}/{total}] [update-review] {name}")
continue
if result["is_new_page"]:
added += 1
status = "installed"
else:
updated += 1
status = "updated"
print(f" [{i}/{total}] [{status}] {name}")
except IntakeRejected as exc:
rejected += 1
codes = ", ".join(f.code for f in exc.decision.failures) or "unknown"
print(f" [{i}/{total}] [rejected] {name}: {codes}", file=sys.stderr)
except Exception as exc: # noqa: BLE001 — batch CLI must continue past one failure
errors += 1
print(f" [{i}/{total}] ERROR: {name}: {exc}", file=sys.stderr)
print(
f"\nDone: {added} added, {updated} updated, {skipped} skipped, "
f"{rejected} rejected, {errors} errors"
)
if __name__ == "__main__":
main()
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