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guptaprakhariitr

drug-interaction-mcp

by guptaprakhariitr
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drug-interaction-mcp — SCAFFOLD

Drug-drug interaction checker for clinical LLMs. Wraps RxNorm + openFDA + DailyMed. High-stakes use case → high willingness-to-pay (clinical LLM startups).

Status: scaffolded. Idea #20 in ../../../ai-as-customer-ideas.md.

Planned tools

Tool

Source

What it returns

check_interaction(drug_a, drug_b)

RxNorm + DailyMed

Severity (contraindicated / major / moderate / minor), mechanism, references.

check_interactions_multi(drug_list[])

RxNorm

Pairwise matrix for a polypharmacy regimen.

dose_guide(drug, condition?, age_band?)

DailyMed labels

Indication-specific dose ranges. Premium.

normalize_drug_name(name_or_brand)

RxNorm

Map brand to generic (RxCUI).

find_alternatives(drug, condition?)

RxNorm class hierarchy

Same-class alternatives. Premium.

Related MCP server: DailyMed MCP Server

Audience

Clinical LLM startups (Hippocratic, OpenEvidence, Glass, etc.). High-stakes use case → they pay $99+/mo without blinking when it works.

Pricing (higher than peers)

Tier

Price

Notes

Free

$0

50 calls/mo (clinical, conservative)

Solo

$29

1,000

Team

$99

10,000 + dose_guide + find_alternatives

Pro

$299

100,000 + alerts + custom interaction-table import

Risk notes

  • This is high-stakes. Bad data could harm patients. Clinical buyers will absolutely audit your sources.

  • Cite every interaction back to its source (DailyMed label section, RxNorm relationship). Make sources part of the response payload, not an afterthought.

  • Add disclaimer in every response: "For clinical decision support; final responsibility rests with the prescriber."

  • Possibly: insurance / SOC2 path eventually. For initial launch, just be honest about sources + freshness.

Open / closed split

  • Open: RxNorm wrapper, drug normalization, basic interaction lookup.

  • Closed: interaction-severity scoring, alternative-finding logic, the precomputed interaction matrix (the data is from CMS but the index and severity scoring is the moat).

See also

Sister MCPs

All from the same operator, all live on <product>.prakhar-cognizance.workers.dev, all free-tier friendly:

Group

Products

Research

sec-edgar · arxiv · world-bank-economic · uspto-patents · fda-approvals

Verification + Utility

verification ⭐ · unit-converter

India

indic-normalize · indian-regulatory

Real-time

hn-trending · wikipedia-recent-changes · gdelt-events · crypto-prices

Healthcare

drug-interaction

Logistics

multi-carrier-tracking

Full catalog: https://github.com/guptaprakhariitr · ⭐ = empty-quadrant / highest-conviction pick.

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Maintenance

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–Release cycle
–Releases (12mo)
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