aliyun-milvus-search
Use when working with AliCloud Milvus (serverless) with PyMilvus to create collections, insert vectors, and run filtered similarity search. Optimized for Claude Code/Codex vector retrieval flows.
What this skill does
Category: provider
# AliCloud Milvus (Serverless) via PyMilvus
This skill uses standard PyMilvus APIs to connect to AliCloud Milvus and run vector search.
## Prerequisites
- Install SDK (recommended in a venv to avoid PEP 668 limits):
```bash
python3 -m venv .venv
. .venv/bin/activate
python -m pip install --upgrade pymilvus
```
- Provide connection via environment variables:
- `MILVUS_URI` (e.g. `http://<host>:19530`)
- `MILVUS_TOKEN` (`<username>:<password>`)
- `MILVUS_DB` (default: `default`)
## Quickstart (Python)
```python
import os
from pymilvus import MilvusClient
client = MilvusClient(
uri=os.getenv("MILVUS_URI"),
token=os.getenv("MILVUS_TOKEN"),
db_name=os.getenv("MILVUS_DB", "default"),
)
# 1) Create a collection
client.create_collection(
collection_name="docs",
dimension=768,
)
# 2) Insert data
items = [
{"id": 1, "vector": [0.01] * 768, "source": "kb", "chunk": 0},
{"id": 2, "vector": [0.02] * 768, "source": "kb", "chunk": 1},
]
client.insert(collection_name="docs", data=items)
# 3) Search
query_vectors = [[0.01] * 768]
res = client.search(
collection_name="docs",
data=query_vectors,
limit=5,
filter='source == "kb" and chunk >= 0',
output_fields=["source", "chunk"],
)
print(res)
```
## Script quickstart
```bash
python skills/ai/search/aliyun-milvus-search/scripts/quickstart.py
```
Environment variables:
- `MILVUS_URI`
- `MILVUS_TOKEN`
- `MILVUS_DB` (optional)
- `MILVUS_COLLECTION` (optional)
- `MILVUS_DIMENSION` (optional)
Optional args: `--collection`, `--dimension`, `--limit`, `--filter`.
## Notes for Claude Code/Codex
- Insert is async; wait a few seconds before searching newly inserted data.
- Keep vector `dimension` aligned with your embedding model.
- Use filters to enforce tenant scoping or dataset partitions.
## Error handling
- Auth errors: check `MILVUS_TOKEN` and instance permissions.
- Dimension mismatch: ensure all vectors match collection dimension.
- Network errors: verify VPC/public access settings on the instance.
## Validation
```bash
mkdir -p output/aliyun-milvus-search
for f in skills/ai/search/aliyun-milvus-search/scripts/*.py; do
python3 -m py_compile "$f"
done
echo "py_compile_ok" > output/aliyun-milvus-search/validate.txt
```
Pass criteria: command exits 0 and `output/aliyun-milvus-search/validate.txt` is generated.
## Output And Evidence
- Save artifacts, command outputs, and API response summaries under `output/aliyun-milvus-search/`.
- Include key parameters (region/resource id/time range) in evidence files for reproducibility.
## Workflow
1) Confirm user intent, region, identifiers, and whether the operation is read-only or mutating.
2) Run one minimal read-only query first to verify connectivity and permissions.
3) Execute the target operation with explicit parameters and bounded scope.
4) Verify results and save output/evidence files.
## References
- PyMilvus `MilvusClient` examples for AliCloud Milvus
- Source list: `references/sources.md`
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