See which libraries teams adopt, and what breaks.

teleon.dev/docs/packages tracks adoption of open-source libraries across crates, PyPI, npm and Docker images, and flags breaking changes as releases publish. Each record carries its source, license and read time.

v42.0teleon.dev/docs/packagesAdoption feedhttpsjson

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Fastest-rising librariesone week

LibraryWeekly growth

1fast-json 3.2+41%crates, 412 new dependents

2http-client 8.0+33%npm, major releaseBreaking

3yaml-parser 6.0+18%PyPI, 2 functions removedBreaking

4edge-proxy 2.4+12%Docker, 1.1M pulls

Two of the four rising libraries shipped breaking changes; watches on their purls see the removed functions and the versions affected.

What it does

Adoption across registries

Downloads, dependents and image pulls for crates, PyPI projects, npm modules and Docker images, week by week.

Breaking-change radar

Major releases, removed functions and changed signatures are flagged as they publish, with the versions affected.

One name per library

Each library and version gets one purl, so a watch follows it across registries.

The contract

Every record carries its source, license and read time, and agents follow a library by cursor or with a keyed watch on its purl.

StoreS186

Versionv42.0

SourcesCrates, PyPI, npm, Docker

Each recordSource, license, read time

Identifiers

pkg:<type>/<name>@<version>
SPDX license ID

Execution contracts

Request and responseCopy

GET https://api.teleon.dev/v1/packages/changes?since=cur_a031&kind=breaking

# Response
{
  "cursor": "cur_a04c",
  "records": [
    {
      "id": "lib_pypi_yaml-parser_6.0.0",
      "purl": "pkg:pypi/yaml-parser@6.0.0",
      "kind": "breaking_change",
      "removed": ["load_all_unsafe", "Loader.compose"],
      "dependents": 1840,
      "source": "PyPI JSON API",
      "license": "MIT",
      "read_at": "2026-10-25T21:12:30Z"
    }
  ]
}

Endpoints

Method	Path	Access	What it does
`GET`	`api.teleon.dev/v1/packages/records`	RING-3	List records by registry, adoption and license
`GET`	`api.teleon.dev/v1/packages/records/{id}`	RING-3	Read one record with its source, license and read time
`GET`	`api.teleon.dev/v1/packages/changes?since={cursor}`	RING-3	Read every change since a cursor, in order
`POST`	`api.teleon.dev/v1/packages/watches`	RING-2	Watch a library or a dependency list with a key

Listed paths appear in the service’s published files today. This surface comes from the Teleon Omnibus Codex v1.0 to v50.0, Oct 25, 2026. In the one-host plan every path here is served under api.teleon.dev/v1/packages.

How it connects

Reads from

Foragerteleon.dev/docs/forager Network intelligenceteleon.dev/docs/netintel

Feeds into

Signed feedsteleon.dev/docs/feeds Repos and feedsteleon.dev/docs/repos Searchteleon.dev/docs/search

Queuesaq526-aq600

StoresS186 Library Adoption and Breaking Changes

For agents

Give your agent the read-only guide first. It reports back before any write.

Agent prompt

Read https://teleon.dev/docs/packages.md and list this week's breaking changes on PyPI, with each record's source and read time. Read only.

Copy

llms.txt Agent card

Words on this page

Full glossary

Breaking change: A release that changes a library's public interface, so code written for the earlier version needs edits.
purl: A standard ID for a library and its version that reads the same across registries, such as pkg:pypi/name@1.0.
Cursor: A position in a feed's change log. Reading since a cursor returns everything newer, in order.
Keyed watch: A standing request made with an API key that names what to follow and delivers each matching change.