Side-by-Side Model Context Protocol Comparison
Osv vs Osv MCP
In-depth architectural comparison of the Osv and Osv MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Osv
Security · Remote HTTP/SSE
Quality: 48/100 (Fair) | Auth: No auth required
Osv MCP
Security · Remote HTTP/SSE
Quality: 55/100 (Good) | Auth: No auth required
Verdict Summary: Choose Osv if you need specialized Security tools running via a hosted cloud SSE transport. Choose Osv MCP if your workspace requires Security integration with remote web transport. Both servers can be configured concurrently in your client's
mcpServers manifest.Which MCP Server Should You Choose?
O
Choose Osv when:
- You need dedicated capabilities in the Security domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: query_package_vulns, get_vulnerability, query_by_commit.
Choose Osv MCP when:
- You need dedicated capabilities in the Security domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- You have access to required keys:
MCP_PORT, MCP_TRANSPORT. - Primary tools included: SSE transport mode with optional streamable-http, Query by package name, ecosystem, version, or commit hash, Batch querying multiple vulnerability queries in one request.
Feature & Specification Comparison
Tools & Capabilities Breakdown
Osv Tools (4)
query_package_vulns
Find all known vulnerabilities for an open-source package, optionally at a specific version, via the OSV.dev database. Omit version to get every vuln known for the package. Returns a compact summary array (id, summary, aliases, severity, references). Keyless.
get_vulnerability
Get full detail for a single vulnerability by its OSV ID — e.g. "GHSA-jf85-cpcp-j695", "CVE-2021-23337", "PYSEC-2021-XXX". Returns summary, details, aliases, severity, affected packages/ranges, and references. Keyless.
query_by_commit
Find vulnerabilities affecting a specific source-repository git commit via OSV.dev. Useful when you have a pinned commit hash rather than a released version. Returns the same compact vuln summary array. Keyless.
query_batch
Batch vulnerability query against OSV.dev (up to 1000 entries per call) — for SBOM-style "scan every dependency in this lockfile" workflows. Pass an array of {package:{name,ecosystem}, version?} or {commit} entries. Returns the vuln IDs matched per query (use get_vulnerability for full detail per I…
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Osv Configuration
Osv MCP Configuration
