--- bezeichner: "io.github.ni-c/carddav-mcp" art: "mcp_server" slug: "io-github-ni-c-carddav-mcp" paketkoordinate: "npm:@ni-c/carddav-mcp" status: "aktiv" homepage: "https://carddav-mcp.ni-c.de" erhebungsstand: "2026-10-10T01:17:01.464Z" namensraum: "io.github.ni-c" registerseite: "https://tracevero.de/mcp/io-github-ni-c-carddav-mcp" abgerufen_am: "2026-10-10" zugangsdaten_erforderlich: false ausfuehrungsort: "lokal" dateisystem_pfadargument: false quelloffen_einsehbar: true einsatzgebiet: "bild" roh_beschreibung: "Read and write CardDAV address books: contacts, groups and photos over the open standard" version: "0.1.3" roh_umgebungsvariablen: "CARDDAV_URL, CARDDAV_USERNAME, CARDDAV_PASSWORD, CARDDAV_TOKEN, CARDDAV_ADDRESSBOOKS, CARDDAV_MAX_CONTACTS, CARDDAV_READ_ONLY, CARDDAV_INSECURE_TLS, CARDDAV_ALLOW_PLAINTEXT, CARDDAV_ALLOW_TOOLS, CARDDAV_DENY_TOOLS, ELICITATION, CARDDAV_URL, CARDDAV_USERNAME, CARDDAV_PASSWORD, CARDDAV_TOKEN, CARDDAV_ADDRESSBOOKS, CARDDAV_MAX_CONTACTS, CARDDAV_READ_ONLY, CARDDAV_INSECURE_TLS, CARDDAV_ALLOW_PLAINTEXT, CARDDAV_ALLOW_TOOLS, CARDDAV_DENY_TOOLS, ELICITATION" roh_geheime_pflichtvariablen: "" roh_transportarten: "stdio, stdio" roh_pfadargumente: "" roh_repository_url: "https://github.com/ni-c/carddav-mcp" roh_paketquellen: "npm, oci" roh_geheime_pflichtkopfzeilen: "" roh_pfad_umgebungsvariablen: "" roh_remote_adressen: "" roh_remote_hosts: "" roh_statusmeldung: "" roh_veroeffentlicht_am: "2026-09-08" roh_aktualisiert_am: "2026-09-08" roh_schemafassung: "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json" roh_bereitstellungsform: "paket" roh_repository_quelle: "github" roh_repository_unterordner: "" roh_paketbezeichner: "@ni-c/carddav-mcp, ghcr.io/ni-c/carddav-mcp:0.1.3" roh_paketversionen: "0.1.3" roh_laufzeithinweise: "" roh_umgebungsformate: "boolean, number, string" roh_umgebungsbeschreibungen: "CARDDAV_ADDRESSBOOKS=Comma-separated address books this server may touch, by path or final path segment. Default: all of them. · CARDDAV_ALLOW_PLAINTEXT=Set to true to allow a plain http:// URL to a host that is not loopback, which sends the credentials and every contact unencrypted (default: false) · CARDDAV_ALLOW_TOOLS=Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools) · CARDDAV_DENY_TOOLS=Comma-separated tool names or list_* prefixes to remove from whatever the allow list left · CARDDAV_INSECURE_TLS=Set to true to accept a self-signed certificate on the configured host only (default: false) · CARDDAV_MAX_CONTACTS=Contacts a listing returns by default, 1 to 500 (default: 100) · CARDDAV_PASSWORD=Password or app-specific password. Deleted from the environment once read. · CARDDAV_READ_ONLY=Set to true to register only the read tools (default: false) · CARDDAV_TOKEN=Bearer token, as an alternative to username and password. Not both. · CARDDAV_URL=Root of the CardDAV server, e.g. https://dav.example.net. An address book collection URL also works. · CARDDAV_USERNAME=Account name. Most hosted services want an app-specific password with it. · ELICITATION=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)" roh_symbolformate: "image/png, image/svg+xml" roh_verbindungswege: "{\"packages\":[{\"registryType\":\"npm\",\"identifier\":\"@ni-c/carddav-mcp\",\"version\":\"0.1.3\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"CARDDAV_URL\",\"description\":\"Root of the CardDAV server, e.g. https://dav.example.net. An address book collection URL also works.\",\"format\":\"string\",\"required\":true,\"secret\":false},{\"name\":\"CARDDAV_USERNAME\",\"description\":\"Account name. Most hosted services want an app-specific password with it.\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_PASSWORD\",\"description\":\"Password or app-specific password. Deleted from the environment once read.\",\"format\":\"string\",\"required\":false,\"secret\":true},{\"name\":\"CARDDAV_TOKEN\",\"description\":\"Bearer token, as an alternative to username and password. Not both.\",\"format\":\"string\",\"required\":false,\"secret\":true},{\"name\":\"CARDDAV_ADDRESSBOOKS\",\"description\":\"Comma-separated address books this server may touch, by path or final path segment. Default: all of them.\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_MAX_CONTACTS\",\"description\":\"Contacts a listing returns by default, 1 to 500 (default: 100)\",\"format\":\"number\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_READ_ONLY\",\"description\":\"Set to true to register only the read tools (default: false)\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_INSECURE_TLS\",\"description\":\"Set to true to accept a self-signed certificate on the configured host only (default: false)\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_ALLOW_PLAINTEXT\",\"description\":\"Set to true to allow a plain http:// URL to a host that is not loopback, which sends the credentials and every contact unencrypted (default: false)\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_ALLOW_TOOLS\",\"description\":\"Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_DENY_TOOLS\",\"description\":\"Comma-separated tool names or list_* prefixes to remove from whatever the allow list left\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"ELICITATION\",\"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)\",\"format\":\"boolean\",\"required\":false,\"secret\":false}],\"additional_arguments_declared\":false},{\"registryType\":\"oci\",\"identifier\":\"ghcr.io/ni-c/carddav-mcp:0.1.3\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"CARDDAV_URL\",\"description\":\"Root of the CardDAV server, e.g. https://dav.example.net. An address book collection URL also works.\",\"format\":\"string\",\"required\":true,\"secret\":false},{\"name\":\"CARDDAV_USERNAME\",\"description\":\"Account name. Most hosted services want an app-specific password with it.\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_PASSWORD\",\"description\":\"Password or app-specific password. Deleted from the environment once read.\",\"format\":\"string\",\"required\":false,\"secret\":true},{\"name\":\"CARDDAV_TOKEN\",\"description\":\"Bearer token, as an alternative to username and password. Not both.\",\"format\":\"string\",\"required\":false,\"secret\":true},{\"name\":\"CARDDAV_ADDRESSBOOKS\",\"description\":\"Comma-separated address books this server may touch, by path or final path segment. Default: all of them.\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_MAX_CONTACTS\",\"description\":\"Contacts a listing returns by default, 1 to 500 (default: 100)\",\"format\":\"number\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_READ_ONLY\",\"description\":\"Set to true to register only the read tools (default: false)\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_INSECURE_TLS\",\"description\":\"Set to true to accept a self-signed certificate on the configured host only (default: false)\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_ALLOW_PLAINTEXT\",\"description\":\"Set to true to allow a plain http:// URL to a host that is not loopback, which sends the credentials and every contact unencrypted (default: false)\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_ALLOW_TOOLS\",\"description\":\"Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"CARDDAV_DENY_TOOLS\",\"description\":\"Comma-separated tool names or list_* prefixes to remove from whatever the allow list left\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"ELICITATION\",\"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)\",\"format\":\"boolean\",\"required\":false,\"secret\":false}],\"additional_arguments_declared\":false}],\"remotes\":[]}" --- # CardDAV address books ## Gemessene Werte | Merkmal | Wert | Quelle | Erhoben am | Vertrauensgrad | Rohangabe | | --- | --- | --- | --- | --- | --- | | Pflicht-Geheimnisse deklariert | false | MCP-Register | 2026-09-07T01:17:01.753Z | abgeleitet | roh_geheime_pflichtvariablen: ; roh_geheime_pflichtkopfzeilen: | | Ausführungsort | lokal | MCP-Register | 2026-09-07T01:17:01.753Z | abgeleitet | roh_transportarten: stdio, stdio | | Pfadargument vorhanden | false | MCP-Register | 2026-09-07T01:17:01.753Z | abgeleitet | roh_pfadargumente: ; roh_pfad_umgebungsvariablen: | | Repository-Adresse geführt | true | MCP-Register | 2026-09-07T01:17:01.753Z | abgeleitet | roh_repository_url: https://github.com/ni-c/carddav-mcp | | Einsatzgebiet, aus der Anbieterbeschreibung abgeleitet | bild | MCP-Register | 2026-09-07T01:17:01.753Z | abgeleitet | roh_beschreibung: Read and write CardDAV address books: contacts, groups and photos over the open standard | | Beschreibung (Rohangabe) | Read and write CardDAV address books: contacts, groups and photos over the open standard | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Deklarierte Version | 0.1.3 | MCP-Register | 2026-09-09T01:17:01.503Z | selbstauskunft | | | Umgebungsvariablen (Rohangabe) | CARDDAV_URL, CARDDAV_USERNAME, CARDDAV_PASSWORD, CARDDAV_TOKEN, CARDDAV_ADDRESSBOOKS, CARDDAV_MAX_CONTACTS, CARDDAV_READ_ONLY, CARDDAV_INSECURE_TLS, CARDDAV_ALLOW_PLAINTEXT, CARDDAV_ALLOW_TOOLS, CARDDAV_DENY_TOOLS, ELICITATION, CARDDAV_URL, CARDDAV_USERNAME, CARDDAV_PASSWORD, CARDDAV_TOKEN, CARDDAV_ADDRESSBOOKS, CARDDAV_MAX_CONTACTS, CARDDAV_READ_ONLY, CARDDAV_INSECURE_TLS, CARDDAV_ALLOW_PLAINTEXT, CARDDAV_ALLOW_TOOLS, CARDDAV_DENY_TOOLS, ELICITATION | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Geheime Pflichtvariablen (Rohangabe) | | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Transportarten (Rohangabe) | stdio, stdio | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Pfadargumente (Rohangabe) | | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Repository (Rohangabe) | https://github.com/ni-c/carddav-mcp | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Paketquellen (Rohangabe) | npm, oci | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Geheime Pflichtkopfzeilen (Rohangabe) | | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Pfad-Umgebungsvariablen (Rohangabe) | | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Remote-Adressen (Rohangabe) | | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Remote-Hosts (Rohangabe) | | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Statusmeldung des Registers (Rohangabe) | | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Im Register eingetragen am (Rohangabe) | 2026-09-08 | MCP-Register | 2026-09-09T01:17:01.503Z | selbstauskunft | | | Im Register geändert am (Rohangabe) | 2026-09-08 | MCP-Register | 2026-09-09T01:17:01.503Z | selbstauskunft | | | Schemafassung des Rohsatzes (Rohangabe) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Bereitstellungsform (Rohangabe) | paket | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Repository-Plattform (Rohangabe) | github | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Repository-Unterordner (Rohangabe) | | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Paketbezeichner (Rohangabe) | @ni-c/carddav-mcp, ghcr.io/ni-c/carddav-mcp:0.1.3 | MCP-Register | 2026-09-09T01:17:01.503Z | selbstauskunft | | | Paketversionen (Rohangabe) | 0.1.3 | MCP-Register | 2026-09-09T01:17:01.503Z | selbstauskunft | | | Laufzeithinweise (Rohangabe) | | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Formate der Umgebungsvariablen (Rohangabe) | boolean, number, string | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Beschreibungen der Umgebungsvariablen (Rohangabe) | CARDDAV_ADDRESSBOOKS=Comma-separated address books this server may touch, by path or final path segment. Default: all of them. · CARDDAV_ALLOW_PLAINTEXT=Set to true to allow a plain http:// URL to a host that is not loopback, which sends the credentials and every contact unencrypted (default: false) · CARDDAV_ALLOW_TOOLS=Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools) · CARDDAV_DENY_TOOLS=Comma-separated tool names or list_* prefixes to remove from whatever the allow list left · CARDDAV_INSECURE_TLS=Set to true to accept a self-signed certificate on the configured host only (default: false) · CARDDAV_MAX_CONTACTS=Contacts a listing returns by default, 1 to 500 (default: 100) · CARDDAV_PASSWORD=Password or app-specific password. Deleted from the environment once read. · CARDDAV_READ_ONLY=Set to true to register only the read tools (default: false) · CARDDAV_TOKEN=Bearer token, as an alternative to username and password. Not both. · CARDDAV_URL=Root of the CardDAV server, e.g. https://dav.example.net. An address book collection URL also works. · CARDDAV_USERNAME=Account name. Most hosted services want an app-specific password with it. · ELICITATION=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) | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Symbolformate (Rohangabe) | image/png, image/svg+xml | MCP-Register | 2026-09-07T01:17:01.753Z | selbstauskunft | | | Verbindungswege (Quellstruktur) | {"packages":[{"registryType":"npm","identifier":"@ni-c/carddav-mcp","version":"0.1.3","transport":"stdio","environment":[{"name":"CARDDAV_URL","description":"Root of the CardDAV server, e.g. https://dav.example.net. An address book collection URL also works.","format":"string","required":true,"secret":false},{"name":"CARDDAV_USERNAME","description":"Account name. Most hosted services want an app-specific password with it.","format":"string","required":false,"secret":false},{"name":"CARDDAV_PASSWORD","description":"Password or app-specific password. Deleted from the environment once read.","format":"string","required":false,"secret":true},{"name":"CARDDAV_TOKEN","description":"Bearer token, as an alternative to username and password. Not both.","format":"string","required":false,"secret":true},{"name":"CARDDAV_ADDRESSBOOKS","description":"Comma-separated address books this server may touch, by path or final path segment. Default: all of them.","format":"string","required":false,"secret":false},{"name":"CARDDAV_MAX_CONTACTS","description":"Contacts a listing returns by default, 1 to 500 (default: 100)","format":"number","required":false,"secret":false},{"name":"CARDDAV_READ_ONLY","description":"Set to true to register only the read tools (default: false)","format":"boolean","required":false,"secret":false},{"name":"CARDDAV_INSECURE_TLS","description":"Set to true to accept a self-signed certificate on the configured host only (default: false)","format":"boolean","required":false,"secret":false},{"name":"CARDDAV_ALLOW_PLAINTEXT","description":"Set to true to allow a plain http:// URL to a host that is not loopback, which sends the credentials and every contact unencrypted (default: false)","format":"boolean","required":false,"secret":false},{"name":"CARDDAV_ALLOW_TOOLS","description":"Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)","format":"string","required":false,"secret":false},{"name":"CARDDAV_DENY_TOOLS","description":"Comma-separated tool names or list_* prefixes to remove from whatever the allow list left","format":"string","required":false,"secret":false},{"name":"ELICITATION","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)","format":"boolean","required":false,"secret":false}],"additional_arguments_declared":false},{"registryType":"oci","identifier":"ghcr.io/ni-c/carddav-mcp:0.1.3","transport":"stdio","environment":[{"name":"CARDDAV_URL","description":"Root of the CardDAV server, e.g. https://dav.example.net. An address book collection URL also works.","format":"string","required":true,"secret":false},{"name":"CARDDAV_USERNAME","description":"Account name. Most hosted services want an app-specific password with it.","format":"string","required":false,"secret":false},{"name":"CARDDAV_PASSWORD","description":"Password or app-specific password. Deleted from the environment once read.","format":"string","required":false,"secret":true},{"name":"CARDDAV_TOKEN","description":"Bearer token, as an alternative to username and password. Not both.","format":"string","required":false,"secret":true},{"name":"CARDDAV_ADDRESSBOOKS","description":"Comma-separated address books this server may touch, by path or final path segment. Default: all of them.","format":"string","required":false,"secret":false},{"name":"CARDDAV_MAX_CONTACTS","description":"Contacts a listing returns by default, 1 to 500 (default: 100)","format":"number","required":false,"secret":false},{"name":"CARDDAV_READ_ONLY","description":"Set to true to register only the read tools (default: false)","format":"boolean","required":false,"secret":false},{"name":"CARDDAV_INSECURE_TLS","description":"Set to true to accept a self-signed certificate on the configured host only (default: false)","format":"boolean","required":false,"secret":false},{"name":"CARDDAV_ALLOW_PLAINTEXT","description":"Set to true to allow a plain http:// URL to a host that is not loopback, which sends the credentials and every contact unencrypted (default: false)","format":"boolean","required":false,"secret":false},{"name":"CARDDAV_ALLOW_TOOLS","description":"Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)","format":"string","required":false,"secret":false},{"name":"CARDDAV_DENY_TOOLS","description":"Comma-separated tool names or list_* prefixes to remove from whatever the allow list left","format":"string","required":false,"secret":false},{"name":"ELICITATION","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)","format":"boolean","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[]} | MCP-Register | 2026-09-09T01:17:01.503Z | selbstauskunft | | ## Verweise - Namensraum: [[namensraum/io-github-ni-c|io.github.ni-c]] --- - Registerseite: - Abgerufen am: 2026-10-10