com.blackswancausallabs/openfda-mcp
openFDA Regulatory Metadata
Resolve FDA application numbers and product names to regulatory metadata (CDER, CBER, CDRH).
alive probed 2026-10-15
7tools
1.7ktokens in Claude Opus 5.5
1.8ktokens in Claude Code
0.8 %of a 200k context window
967o200k_base estimate
8.7 sto initialize
838 msto list tools
- Run it
- uvx openfda-mcp==0.1.0 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- openfda 4.1.0
- Capabilities
- logging, prompts, resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Black-Swan-Causal-Labs/openfda-mcp
- Registry
- active, updated 2026-08-07 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| screen_for_rwe_signals | 220 | 23 % |
| search_drug_label | 165 | 17 % |
| resolve_drug_to_application | 157 | 16 % |
| lookup_device_submission | 144 | 15 % |
| lookup_drugsfda_application | 105 | 11 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.blackswancausallabs/openfda-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.