What is the main functional difference between Clinicaltrialsgov MCP Server and Decoder 3am MCP?

Clinicaltrialsgov MCP Server is categorized under Biology, Medicine and Bioinformatics and uses a local stdio subprocess. Decoder 3am MCP belongs to Biology, Medicine and Bioinformatics and uses a remote HTTP/SSE transport. Pick Clinicaltrialsgov MCP Server for biology, medicine and bioinformatics work and Decoder 3am MCP for biology, medicine and bioinformatics.

How do I install Clinicaltrialsgov MCP Server or Decoder 3am MCP in Claude Desktop, Cursor, or Windsurf?

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Are Clinicaltrialsgov MCP Server and Decoder 3am MCP free to use, or do they require API keys?

Clinicaltrialsgov MCP Server has no declared pricing — check the project's own site. Decoder 3am MCP is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Can I run both Clinicaltrialsgov MCP Server and Decoder 3am MCP at the same time in my AI client?

Yes. MCP clients support multiple servers: add clinicaltrialsgov-mcp-server and thelongevityvault-decoder-3am-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Clinicaltrialsgov MCP Server has a quality signal of 61/100 (Good) with 1 views, 0 installs and 99 GitHub stars. Decoder 3am MCP has 52/100 (Good) with 3 views, 0 installs and 1 GitHub stars.

Clinicaltrialsgov MCP Server vs Decoder 3am MCP

A side-by-side look at the Clinicaltrialsgov MCP Server and Decoder 3am MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Clinicaltrialsgov MCP ServerBiology, Medicine and Bioinformatics · Local subprocess (stdio)Provides rich tools to search, retrieve, and analyze data from ClinicalTrials.gov API v2.61GoodAuth: not declared

Decoder 3am MCPBiology, Medicine and Bioinformatics · Remote HTTP/SSESleep disruption cause classifier using The Longevity Vault's 5-cause framework. Identifies the biological mechanism behind 3am wakeups from symptom descriptions, with tracked links to the full interactive 3AM Decoder.52GoodAuth: no auth required

Verdict: choose Clinicaltrialsgov MCP Server for biology, medicine and bioinformatics work as a local process; choose Decoder 3am MCP for biology, medicine and bioinformatics over a hosted endpoint. You can also run both side by side in one mcpServers block.

Spec	Clinicaltrialsgov MCP Server	Decoder 3am MCP
Category	Biology, Medicine and Bioinformatics	Biology, Medicine and Bioinformatics
Quality signal	61/100 · Good	52/100 · Good
Install command	Confirmed	Confirmed
Transport	Local subprocess (stdio)	Remote HTTP/SSE
Auth	Not declared	No auth required
Pricing	Not declared	Free
Required env vars	None listed	None listed
Verified owner	Community listing	Community listing
GitHub stars	99	1
Directory activity	1 views 0 installs 0 upvotes	3 views 0 installs 0 upvotes
Tools	7	4
Full listing	View Clinicaltrialsgov MCP Server	View Decoder 3am MCP

Clinicaltrialsgov MCP Server vs Decoder 3am MCP

Which MCP server should you choose?

Choose Clinicaltrialsgov MCP Server when

Choose Decoder 3am MCP when

Feature & specification comparison

Tools & capabilities

Clinicaltrialsgov MCP Server tools 7

Decoder 3am MCP tools 4

Ready-to-paste client configs