Environment variable SERPER_API_KEY
No value of this variable is held in this registry. The registry knows only the name the source states.
Entries naming SERPER_API_KEY as an ordinary environment variable
| Web Researcher MCP | io.github.zoharbabin/web-researcher-mcp | Your AI research assistant that cites real sources and stays honest |
|---|---|---|
| agentskin in namespace io.github | io.github.Shawn5cents/agentskin | The Semantic Layer for AI Agents. |
| essentials in namespace io.github | io.github.fieldcure/essentials | Essential MCP server: HTTP, web search, downloads, Wolfram|Alpha, shell, JS, file I/O, memory. |
| 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. |
| social-search-mcp in namespace io.github | io.github.shubhamekapure/social-search-mcp | Deep social media search for LLMs: Facebook, Reddit, LinkedIn, Instagram & more. |
| scority in namespace io.github | io.github.vitaliyino/scority | Technical SEO and AI-answer-readiness audit. |
| webfetch | io.github.firish/webfetch | Self-hosted web search for LLM agents: search -> fetch -> rank pipeline with semantic caching |
Start of the description from the source registry (first sentence, at most 160 characters), untranslated and unverified
Entries naming SERPER_API_KEY as a secret required variable
No entry.
What the sources write about this name
| Web Researcher MCP | Serper.dev API key |
|---|---|
| agentskin in namespace io.github | Serper.dev Search API Key |
| agent-search-mcp in namespace io.github | Serper API key (optional, enables Google SERP search) |
| social-search-mcp in namespace io.github | API key from serper.dev. Required if SEARCH_PROVIDER=serper. |
| scority in namespace io.github | Only for scority_serp. Without it the SERP tool reports NO_CREDENTIALS instead of returning an empty result. |
| webfetch | Optional - adds Serper (Google results) to the multi-engine fusion. |
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/SERPER_API_KEY