{ "slug": "io-github-ni-c-caldav-mcp", "name": "io.github.ni-c/caldav-mcp", "title": "CalDAV calendars", "description": "Read and write CalDAV calendars: events, tasks and journal entries over the open standard", "version": "0.1.5", "publishedAt": "2026-10-13T09:45:54.395765Z", "updatedAt": "2026-10-13T09:45:54.395765Z", "repoUrl": "https://github.com/ni-c/caldav-mcp", "websiteUrl": "https://caldav-mcp.ni-c.de", "namespace": { "type": "github", "owner": "ni-c" }, "kind": "local", "packages": [ { "registryType": "npm", "identifier": "@ni-c/caldav-mcp", "version": "0.1.5", "transport": "stdio", "runtimeHint": null }, { "registryType": "oci", "identifier": "ghcr.io/ni-c/caldav-mcp:0.1.5", "version": null, "transport": "stdio", "runtimeHint": null } ], "remotes": [], "envVars": [ { "name": "CALDAV_URL", "isSecret": false, "isRequired": true, "description": "Root of the CalDAV server, e.g. https://dav.example.net. A calendar collection URL also works." }, { "name": "CALDAV_USERNAME", "isSecret": false, "isRequired": false, "description": "Account name. Most hosted services want an app-specific password with it." }, { "name": "CALDAV_PASSWORD", "isSecret": true, "isRequired": false, "description": "Password or app-specific password. Deleted from the environment once read." }, { "name": "CALDAV_TOKEN", "isSecret": true, "isRequired": false, "description": "Bearer token, as an alternative to username and password. Not both." }, { "name": "CALDAV_CALENDARS", "isSecret": false, "isRequired": false, "description": "Comma-separated calendars this server may touch, by path or final path segment. Default: all of them." }, { "name": "CALDAV_TIMEZONE", "isSecret": false, "isRequired": false, "description": "IANA zone for timestamps that carry no offset, e.g. Europe/Berlin (default: UTC)" }, { "name": "CALDAV_USER_EMAIL", "isSecret": false, "isRequired": false, "description": "The address you are invited as, so respond_to_event can find your own attendee line" }, { "name": "CALDAV_MAX_EVENTS", "isSecret": false, "isRequired": false, "description": "Entries a listing returns by default, 1 to 500 (default: 100)" }, { "name": "CALDAV_READ_ONLY", "isSecret": false, "isRequired": false, "description": "Set to true to register only the read tools (default: false)" }, { "name": "CALDAV_INSECURE_TLS", "isSecret": false, "isRequired": false, "description": "Set to true to accept a self-signed certificate on the configured host only (default: false)" }, { "name": "CALDAV_ALLOW_PLAINTEXT", "isSecret": false, "isRequired": false, "description": "Set to true to allow a plain http:// URL to a host that is not loopback, which sends the credentials unencrypted (default: false)" }, { "name": "CALDAV_ALLOW_TOOLS", "isSecret": false, "isRequired": false, "description": "Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)" }, { "name": "CALDAV_DENY_TOOLS", "isSecret": false, "isRequired": false, "description": "Comma-separated tool names or list_* prefixes to remove from whatever the allow list left" }, { "name": "ELICITATION", "isSecret": false, "isRequired": false, "description": "Deliberately unprefixed, and reaches every MCP server in the environment. Set to false to make guarded tools use the two-call token instead of a dialog (default: true)" } ], "category": "productivity", "subcategory": "calendar", "company": "", "categoryAuto": true, "checks": [ { "id": "source-linked", "label": "Source repository linked", "result": "pass", "detail": "https://github.com/ni-c/caldav-mcp" }, { "id": "version-pinned", "label": "Version pinned", "result": "pass", "detail": "Every package has an explicit version" }, { "id": "secrets-requested", "label": "Secrets requested", "result": "info", "detail": "Asks for 2 secrets: CALDAV_PASSWORD, CALDAV_TOKEN" }, { "id": "known-registry", "label": "Known package registry", "result": "pass", "detail": "All packages come from npm, PyPI, OCI, NuGet or MCPB" }, { "id": "namespace", "label": "Namespace ownership", "result": "info", "detail": "Name verified via GitHub account ni-c" }, { "id": "meta-text", "label": "Registry text aimed at the AI", "result": "pass", "detail": "Description and settings contain no hidden characters or instructions to the AI" }, { "id": "install-scripts", "label": "Install scripts", "result": "pass", "detail": "@ni-c/caldav-mcp@0.1.5 runs nothing at install" }, { "id": "code-flags", "label": "Code red flags", "result": "pass", "detail": "Read 58 files in @ni-c/caldav-mcp@0.1.5: no obfuscation, encoded execution, credential reads or data-collection endpoints found" }, { "id": "ai-text", "label": "Text aimed at the AI", "result": "pass", "detail": "No hidden characters or instructions to the AI in 58 files, including comments and the README" } ], "scannedAt": "2026-10-29", "level": "Scanned", "install": [ { "label": "Claude Desktop (npm)", "kind": "claude_desktop_json", "text": "{\n \"mcpServers\": {\n \"caldav-mcp\": {\n \"command\": \"npx\",\n \"args\": [\n \"-y\",\n \"@ni-c/caldav-mcp@0.1.5\"\n ],\n \"env\": {\n \"CALDAV_URL\": \"\"\n }\n }\n }\n}" }, { "label": "Claude Desktop (oci)", "kind": "claude_desktop_json", "text": "{\n \"mcpServers\": {\n \"caldav-mcp\": {\n \"command\": \"docker\",\n \"args\": [\n \"run\",\n \"-i\",\n \"--rm\",\n \"-e\",\n \"CALDAV_URL\",\n \"ghcr.io/ni-c/caldav-mcp:0.1.5\"\n ],\n \"env\": {\n \"CALDAV_URL\": \"\"\n }\n }\n }\n}" } ], "curated": true, "stars": 1, "archived": false, "pushedAt": "2026-10-25T13:57:18Z", "health": { "score": 62, "parts": { "popularity": 0.23653309141721712, "activity": 1, "issues": null, "security": 1 }, "fail": 0, "warn": 0, "raw": { "stars": 1, "forks": 0, "downloads": 136, "hn": null, "issuesOpen": 0, "issuesClosed": 0, "prsMerged": 41, "commits90": 60, "release": "2026-10-13T09:42:18Z", "pushed": "2026-10-25T13:57:18Z", "growth": null, "growthDays": null, "archived": false }, "at": "2026-10-31T07:42:38.200Z" } }