In-depth architectural comparison of the Gdc and Oyez 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
Oyez
Developer Tools · Remote HTTP/SSE
Quality: 45/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Gdc if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Oyez 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).
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.
Oyez 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 is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport. In contrast, Oyez belongs to Developer Tools using remote streaming HTTP/SSE transport. Select Gdc when you need capabilities focused on developer tools and Oyez when you require tools for developer tools.
Search US Supreme Court (SCOTUS) cases from Oyez by term year and/or case-name substring. Returns compact summaries with the question presented, description, and IDs for get_case. If neither term nor name is given, defaults to the most recent term. Keyless.
get_case
Get a full SCOTUS case from Oyez by term and docket number — question presented, facts, conclusion, decision (winning party, vote split, decision type), which justices were in the majority vs. dissent, advocates, and whether oral-argument audio exists. Keyless.
cases_by_term
List the SCOTUS cases for a given term year from Oyez — compact summaries (name, docket, citation, short question, oyez_url). Use to browse a full term. Keyless.