Candor vs Drug Interaction Checker
A side-by-side look at the Candor and Drug Interaction Checker MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Candor for biology & bioinformatics work as a local process; choose Drug Interaction Checker for biology & bioinformatics over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Candor when
- You need dedicated capabilities in the Biology & Bioinformatics domain.
- You prefer a local stdio subprocess transport.
Choose Drug Interaction Checker when
- You need dedicated capabilities in the Biology & Bioinformatics domain.
- You prefer a remote HTTP/SSE transport.
- You want tools like
check_interaction, check_interactions_multi, normalize_drug_name.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Biology & Bioinformatics | Biology & Bioinformatics |
| Quality signal | 45/100 · Fair | 43/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1 | 0 |
| Directory activity | 2 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | Not listed | 5 |
| Full listing | View Candor | View Drug Interaction Checker |
Tools & capabilities
Candor tools
No tool names declared yet. Check the project README from the listing page.
Drug Interaction Checker tools 5
check_interactionCheck the interaction between two drugs. Severity, mechanism (when known), and source.check_interactions_multiPairwise interaction check across a polypharmacy list (deduped A-B/B-A, max 28 pairs).normalize_drug_nameResolve brand or generic name to RxNorm canonical record: RxCUI, generic, brands, synonyms.dose_guideFDA-labeled dosing guidance from DailyMed.find_alternativesDrugs in the same ATC therapeutic class.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Candor
{
"mcpServers": {
"candor": {
"command": "npx",
"args": [
"-y",
"candor-ts"
]
}
}
}
Drug Interaction Checker
{
"mcpServers": {
"drug-interaction-checker": {
"url": "https://drug-interaction-mcp.atlasword.workers.dev/mcp"
}
}
}
Frequently asked questions
Candor is categorized under Biology & Bioinformatics and uses a local stdio subprocess. Drug Interaction Checker belongs to Biology & Bioinformatics and uses a remote HTTP/SSE transport. Pick Candor for biology & bioinformatics work and Drug Interaction Checker for biology & bioinformatics.
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.
Candor has no declared pricing — check the project's own site. Drug Interaction Checker has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add candor and drug-interaction-checker as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Candor has a quality signal of 45/100 (Fair) with 2 views, 0 installs and 1 GitHub stars. Drug Interaction Checker has 43/100 (Fair) with 2 views, 0 installs and 0 GitHub stars.