MCP server

openFDA MCP by usefulapi

io.usefulapi/openfda

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Search openFDA drug, device, food and adverse-event datasets.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

14

Token cost

About 4,628 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http openfda https://openfda.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.openfda]
url = "https://openfda.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"openfda":{"httpUrl":"https://openfda.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"openfda":{"url":"https://openfda.usefulapi.io/mcp"}}}

VS Code

{"servers":{"openfda":{"type":"http","url":"https://openfda.usefulapi.io/mcp"}}}

Antigravity

agy mcp add openfda https://openfda.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"openfda","server_url":"https://openfda.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"openfda","server_url":"https://openfda.usefulapi.io/mcp"}

Tools

• openfda_count ~436 tokens
  openFDA's most valuable feature: aggregate over any dataset by a field to get a top-terms histogram (returns `results: [{term, count}]` instead of records). Use the '.exact' field suffix to count whole phrases. Example: endpoint 'drug/event', field 'patient.reaction.reactionmeddrapt.exact', search '
• openfda_query ~553 tokens
  Generic escape hatch to query ANY supported openFDA endpoint with the full parameter set — covers the less-common datasets (device/pma, device/registrationlisting, device/udi, device/covid19serology, drug/orangebook, other/nsde, other/substance, tobacco/problem, etc.). Use the named search tools for
• openfda_search_device_510k ~308 tokens
  Search 510(k) premarket notification clearances: devices cleared for market as substantially equivalent to a predicate, with applicant, decision, product code and dates. openFDA device/510k endpoint.
• openfda_search_device_classification ~317 tokens
  Search the FDA device classification database: a device type's product code, device class (I/II/III), regulation number, medical specialty and submission requirements. openFDA device/classification endpoint.
• openfda_search_device_events ~297 tokens
  Search the MAUDE database: medical device adverse events — reported injuries, deaths and malfunctions involving medical devices. openFDA device/event endpoint.
• openfda_search_device_recalls ~296 tokens
  Search medical device recalls: recalled devices with the reason, recalling firm, classification, product code and status. openFDA device/recall endpoint.
• openfda_search_drug_events ~313 tokens
  Search the FDA Adverse Event Reporting System (FAERS): reports of drug side effects, adverse reactions and medication errors submitted to the FDA. Returns individual case reports. openFDA drug/event endpoint.
• openfda_search_drug_labels ~306 tokens
  Search Structured Product Labeling (SPL): the official prescribing information for drugs — indications, warnings, dosage, adverse reactions, drug interactions and more. openFDA drug/label endpoint.
• openfda_search_drug_ndc ~302 tokens
  Search the National Drug Code (NDC) directory: every drug product's code, name, dosage form, route, active ingredients, marketing status and labeler. openFDA drug/ndc endpoint.
• openfda_search_drug_recalls ~303 tokens
  Search drug recall enforcement reports: recalled drug products with the reason, classification (Class I/II/III), recalling firm, distribution and status. openFDA drug/enforcement endpoint.
• openfda_search_drug_shortages ~289 tokens
  Search current and resolved drug shortages: the affected product, status, reason, availability and related dates. openFDA drug/shortages endpoint.
• openfda_search_drugsfda ~297 tokens
  Search Drugs@FDA: FDA-approved drug products and their applications (NDA/ANDA/BLA), sponsors, approval dates, products and submissions. openFDA drug/drugsfda endpoint.
• openfda_search_food_events ~310 tokens
  Search the CFSAN Adverse Event Reporting System (CAERS): adverse events and product complaints for foods, dietary supplements and cosmetics. openFDA food/event endpoint.
• openfda_search_food_recalls ~301 tokens
  Search food recall enforcement reports: recalled food products with the reason, classification (Class I/II/III), recalling firm, distribution state and status. openFDA food/enforcement endpoint.

Browse

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