MCP servers for OpenAI Agents SDK

eBird MCP — Cornell Lab of Ornithology citizen-science bird observations

eCFR (Electronic Code of Federal Regulations) MCP.

Ecuador Government Procurement MCP — SERCOP / Public Procurement (keyless).

Edamam MCP — wraps three Edamam APIs in one pack:

EDGAR MCP — SEC EDGAR public APIs (free, no auth)

Education Data MCP — US K-12 schools, districts, funding and child poverty.

Elexon BMRS Insights MCP — Great Britain electricity grid & market data.

Emoji MCP.

emoji-oracle MCP — wraps StupidAPIs (keyless — no credential needed)

ENS (Ethereum Name Service) MCP.

Ensembl REST MCP.

EODHD MCP — wraps EOD Historical Data (eodhd.com)

EPA ECHO MCP — wraps EPA ECHO Web Services (free, no auth)

EPO Open Patent Services MCP

FIRST.org EPSS (Exploit Prediction Scoring System) MCP.

e-Stat (Japan) MCP — government statistics

Etherscan MCP — multichain block-explorer API (Etherscan V2)

EUR-Lex MCP — official EU law, article-level.

Europeana MCP.

Eurostat MCP — wraps Eurostat Statistical Data API (no auth required)

Exchange MCP — wraps the Frankfurter currency exchange API (free, no auth)