Nightspar MCP
An official MCP server that allows AI assistants to save vocabulary words, phrases, and collections from conversations directly into the user's Nightspar spaced-repetition library, including meanings, translations, IPA, and audio.
Endpoint and access
OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.
https://api.nightspar.com/mcpChecks and signals
Each line is separate evidence, not a trust score.
- Passed Endpoint answered the live check ·
- Passed Official MCP Registry namespace is tied to nightspar.com ·
- Passed Endpoint is on the registry namespace domain ·
- Availability 1 of 1 checks passed in 30 days
What you can do with it
- Save words from AI chats into the library
- Search saved vocabulary from the chat
- Build explanations around existing vocabulary
- Add multiple words in one go
Source and maintenance
Tools
Reported by the attributed source; not independently observed by Koskamo.
30-day availability
Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.
- Successful checks
- 1 of 1 (100%)
- Average latency
- 247 ms
- 95th percentile latency
- 247 ms
Maintenance history
Public check and source-refresh events. Editorial and ownership records remain private.
- · probe · passed · 247 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)
Connect from your client
Each snippet registers the same endpoint; pick the client you use.
Claude Code
claude mcp add --transport http nightspar-mcp https://api.nightspar.com/mcpCodex
codex mcp add nightspar-mcp --url https://api.nightspar.com/mcpCursor
{
"mcpServers": {
"nightspar-mcp": {
"url": "https://api.nightspar.com/mcp"
}
}
}Cline
{
"mcpServers": {
"nightspar-mcp": {
"type": "streamableHttp",
"url": "https://api.nightspar.com/mcp",
"disabled": false
}
}
}VS Code
{
"servers": {
"nightspar-mcp": {
"type": "http",
"url": "https://api.nightspar.com/mcp"
}
}
}Gemini CLI
gemini mcp add --transport http nightspar-mcp https://api.nightspar.com/mcpClaude Desktop
https://api.nightspar.com/mcpWindsurf
{
"mcpServers": {
"nightspar-mcp": {
"serverUrl": "https://api.nightspar.com/mcp"
}
}
}Let your agent find its tools
Find servers like Nightspar MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.
Other productivity and knowledge servers
Do you run Nightspar MCP?
Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.