Side-by-Side Model Context Protocol Comparison
Gdc vs Osf
In-depth architectural comparison of the Gdc and Osf 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
Gdc
Developer Tools · Remote HTTP/SSE
Quality: 48/100 (Fair) | Auth: No auth required
Osf
Developer Tools · Remote HTTP/SSE
Quality: 49/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Gdc if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Osf if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's
mcpServers manifest.Which MCP Server Should You Choose?
G
Choose Gdc when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: list_projects, get_project, search_cases.
O
Choose Osf when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: search_projects, get_project, search_preprints.
Feature & Specification Comparison
Tools & Capabilities Breakdown
Gdc Tools (4)
list_projects
List NCI Genomic Data Commons cancer-genomics projects (TCGA, TARGET, CPTAC, etc.), ranked by case count. Returns project_id, name, program, primary site(s) and disease type(s). Keyless, open-access metadata.
get_project
Look up a single NCI GDC project by project_id (e.g. "TCGA-BRCA") and get its details plus summary counts (case_count, file_count). Keyless, open-access metadata.
search_cases
Search NCI GDC cancer cases (patients/samples) by primary site and/or project. Returns case_id, submitter_id, primary site, disease type and project_id. Keyless, open-access metadata.
search_files
Search NCI GDC genomic data files by project and/or data category (e.g. "Transcriptome Profiling", "Simple Nucleotide Variation", "DNA Methylation"). Returns file_id, file_name, data category/type/format, access level and file size. Keyless, open-access metadata.
Osf Tools (3)
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).
Gdc Configuration
Osf Configuration