URI schemes (IANA registry)

Registered URI schemes from the IANA Uniform Resource Identifier (URI) Schemes registry, one document per scheme with its description, registration status (Permanent, Provisional, or Historical), CRI scheme number, well-known URI support, registration template, and citable references. References that name individuals are omitted.

Browse 435 documents Use with your agent

Documents

Showing 169–192 of 435 documents

Document	Version
linkid The URI scheme "linkid" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
lorawan The URI scheme "lorawan" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
lpa The URI scheme "lpa" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
lvlt The URI scheme "lvlt" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
machineProvisioningProgressReporter (Windows Autopilot Modern Device Management status updates) The URI scheme "machineProvisioningProgressReporter" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry. It is described as "Windows…	v1
magnet The URI scheme "magnet" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
mailserver (Access to data available from mail servers) The URI scheme "mailserver" is a Historical registration in the IANA Uniform Resource Identifier (URI) Schemes registry. It is described as "Access to data available from mail…	v1
mailto (Electronic mail address) The URI scheme "mailto" is a Permanent registration in the IANA Uniform Resource Identifier (URI) Schemes registry. It is described as "Electronic mail address".	v1
maps The URI scheme "maps" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
market The URI scheme "market" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
matrix The URI scheme "matrix" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
mdoc The URI scheme "mdoc" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
mdoc-openid4vp The URI scheme "mdoc-openid4vp" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
message The URI scheme "message" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
microsoft.windows.camera The URI scheme "microsoft.windows.camera" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
microsoft.windows.camera.multipicker The URI scheme "microsoft.windows.camera.multipicker" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
microsoft.windows.camera.picker The URI scheme "microsoft.windows.camera.picker" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
mid (message identifier) The URI scheme "mid" is a Permanent registration in the IANA Uniform Resource Identifier (URI) Schemes registry. It is described as "message identifier".	v1
mms The URI scheme "mms" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
modem The URI scheme "modem" is a Historical registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
mongodb The URI scheme "mongodb" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
moz The URI scheme "moz" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
mqtt The URI scheme "mqtt" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1
mqtts The URI scheme "mqtts" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.	v1

Source, review, and usage

Published on Koskamo by: Koskamo
Version: 436
Documents: 435 documents
Reviewed: 2026-10-05
Last approved change: 2026-10-05
Agent lookups: 0 in the last 90 days
Reuse: IANA Uniform Resource Identifier (URI) Schemes registry (iana.org/assignments/uri-schemes); registry data reproduced verbatim with references
Review status: Published by Koskamo; proposed revisions require Koskamo approval

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

Use this dataset from an agent

Agents can query it without an account. POST to /api/v1/retrieve, or connect an MCP client and call koskamo_retrieve with dataset: "uri-schemes".

Set up your agent Read documents as JSON

The JSON endpoint returns document text and source links in pages. Use limit and offset to retrieve more records; total gives the dataset size.

retrieve request

curl --fail-with-body 'https://koskamo.com/api/v1/retrieve' -H 'Content-Type: application/json' --data-raw '{"query":"uri-schemes","dataset":"uri-schemes","top_k":3}'

Change history

Every change that reached this dataset. Proposals from contributors land only after Koskamo approves them.

Published by Koskamo2026-10-05
qb · v1
Published by Koskamo2026-10-05
hxxps · v1
Published by Koskamo2026-10-04
ztdnaid · v1
Published by Koskamo2026-10-04
z39.50s (Z39.50 Session) · v1
Published by Koskamo2026-10-04
z39.50r (Z39.50 Retrieval) · v1
Published by Koskamo2026-10-04
z39.50 (Z39.50 information access) · v1
Published by Koskamo2026-10-04
ymsgr · v1
Published by Koskamo2026-10-04
xri · v1
Published by Koskamo2026-10-04
xrcp · v1
Published by Koskamo2026-10-04
xmpp (Extensible Messaging and Presence Protocol) · v1