OSV batch API

Advisories for a batch of packages in one call, each row with summary, severity and fixed versions.

Ask your agent

“Call osv/batch with packages ID and summarize what comes back.”

Works in any MCP client connected to https://data.openkrill.app/mcp. Install in one line.

Path: osv/batch
MCP tool: call_endpoint
Credits: 5
Cache: 2 min

Parameters

packagesstring, required	Comma or space separated package names, at most 20
ecosystemstring, optional	OSV ecosystem for every package, such as npm, PyPI or Maven, default npm
versionstring, optional	Only advisories that affect this version of each package
limitinteger, optional	1-40 advisories hydrated with full detail, default 10

Response

data.resources[] uses the same keys as every other platform: author, engagement, metadata, with OSV-only fields under extras. A failed upstream call is never billed.

More OSV tools

MCP tool call

{
  "name": "call_endpoint",
  "arguments": {
    "path": "osv/batch",
    "params": {
      "packages": "ID"
    }
  }
}

curl

curl "https://data.openkrill.app/v1/osv/batch?packages=ID" \
  -H "x-api-key: YOUR_API_KEY"

Response

{
  "success": true,
  "platform": "osv",
  "endpoint": "osv/batch",
  "data": {
    "resources": [
      { "id": …, "title": …, "text": …, "url": …,
        "author": {…}, "engagement": {…},
        "metadata": {…}, "extras": {…} }
    ]
  },
  "credits_used": 5,
  "cached": false
}