Environment variable EXA_API_KEY
No value of this variable is held in this registry. The registry knows only the name the source states.
Entries naming EXA_API_KEY as an ordinary environment variable
| Agent Web Search | io.github.JerryLiu369/agent-web-search | Provider-neutral web_search for AI agents. |
|---|---|---|
| Scholar MCP | io.github.Liyux3/scholar-mcp | Federated academic search, citation traversal, persistent PDF download, and temporary reading. |
| Universal Brute Workpack | io.github.haoyun18881-beep/universal-brute-workpack | Stdio-first Agent MCP workpack for local tools, audit chains, search, memory, and pipelines. |
| Web Researcher MCP | io.github.zoharbabin/web-researcher-mcp | Your AI research assistant that cites real sources and stays honest |
| agent-search-mcp in namespace io.github | io.github.lennney/agent-search-mcp | Free-first Chinese and English web search MCP using zero-key sources and inspectable evidence. |
| my-websearch in namespace io.github | io.github.wtznicy/my-websearch | MyWebSearch - multi-engine web search MCP server, CLI and local daemon. |
| web-retrieval-mcp | io.github.VelvetSP/web-retrieval-mcp | MCP web search + tiered web fetch for AI agents (Exa, Firecrawl), SSRF-guarded, cross-platform. |
Start of the description from the source registry (first sentence, at most 160 characters), untranslated and unverified
Entries naming EXA_API_KEY as a secret required variable
| web-retrieval-mcp | io.github.VelvetSP/web-retrieval-mcp | MCP web search + tiered web fetch for AI agents (Exa, Firecrawl), SSRF-guarded, cross-platform. |
|---|
Start of the description from the source registry (first sentence, at most 160 characters), untranslated and unverified
What the sources write about this name
| Agent Web Search | Optional Exa key; free MCP fallback without it |
|---|---|
| Universal Brute Workpack | Optional Exa key for search.web before fallback providers. |
| Web Researcher MCP | Exa API key (neural/semantic web search provider) |
| agent-search-mcp in namespace io.github | Exa Search API key (optional, enables Exa engine) |
| my-websearch in namespace io.github | Optional Exa API key (https://dashboard.exa.ai/api-keys) — only needed for the exa search engine |
| web-retrieval-mcp | Exa API key (free tier at https://exa.ai) |
Taken verbatim from the source, one line per entry. The text is a vendor's own statement and is neither checked nor shortened.
To the environment variable index
Version of the extraction rule: 1.1. The names are formed by splitting the stored original data at the separator this registry set when reading it in. Counted across the 41,867 published entries.
tracevero · https://tracevero.com/variable/EXA_API_KEY