mcp server
Hex.pm MCP
MCP server for hex.pm and hexdocs.pm: search, inspect, compare, and audit Elixir packages
Description as published by the maintainer. Source
- version 0.3.1
- active
- retrieval
active — Registry entry last updated 2026-06-15. Dashed tags are derived by ZBS Index from the published description, not stated by the maintainer.
What this server can do
24 functions, named and described by the server itself. Parameter names are shown because they say more about what a function does than its name usually does.
alternatives(name)- Find and compare alternative packages for a given hex.pm package. Required: name.
audit(name, version)- Audit a package's dependencies for risks. Checks each dependency for retired versions, stale packages, single-owner packages, and known vulnerabilities via OSV.dev. Required: name.
audit_mix_deps(deps)- Audit mix.exs dependencies for risks. Required: deps.
compare(packages)- Compare 2-5 hex.pm packages side by side. Required: packages.
dep_tree(name, version, max_depth)- Get the full transitive dependency tree for a package (BFS, max depth 5). Required: name.
dependencies(name, version)- Get dependencies for a package version. Required: name.
doc_item(name, module, version)- Get full documentation for a specific module or function. Required: module, name.
docs(name, version)- Browse package documentation -- module listing. Required: name.
downloads(name)- Get download statistics for a hex.pm package. Required: name.
features(name, version)- Get optional features/extras for a package release. Required: name.
health(name)- Comprehensive health check for a hex.pm package. Required: name.
info(name)- Get detailed information about a hex.pm package. Required: name.
owners(name)- Get owners/maintainers of a hex.pm package. Required: name.
readme(name, version)- Get the README content for a hex.pm package. Required: name.
release(name, version)- Get detailed information about a specific package release. Required: name, version.
search(page, sort, query)- Search for packages on hex.pm by name/keywords. Required: query.
search_docs(name, query, version)- Search within a package's documentation by name. Required: name, query.
toolbox_category(sort, group, category)- List the curated projects in an Elixir Toolbox category. Required: group, category.
toolbox_group(group)- List the categories in a single Elixir Toolbox group. Required: group.
toolbox_groups- Browse the Elixir Toolbox curated taxonomy of groups and categories.
toolbox_search(query)- Search packages via Elixir Toolbox. Results carry GitHub/GitLab stats, popularity, and health signals not exposed by the raw hex.pm search. Required: query.
toolbox_trending(limit)- List trending Elixir packages from Elixir Toolbox.
upgrade_check(deps)- Check which mix.exs dependencies have newer versions available. Required: deps.
versions(name)- List all versions of a hex.pm package. Required: name.
Last successful function declaration observed on . Source: https://hexpm-mcp.fly.dev/mcp. We list what the server declared; we do not call any of these functions.
Endpoint status observed on . Source: https://hexpm-mcp.fly.dev/mcp.
Signals
These are separate measurements of different things. They are deliberately not combined into one score, because a popularity number that mixes website traffic with saves and stars cannot be checked or acted on.
| Signal | Value | What it measures | Window | Observed | Source |
|---|---|---|---|---|---|
| Latest published version | 0.3.1 | Latest version string the maintainer published to the registry. | as of fetch | Model Context Protocol | |
| Registry record last updated | 2026-06-15 | When the registry record was last updated by its maintainer. | point in time | Model Context Protocol | |
| First listed in the MCP Registry | 2026-06-15 | Date this server was first published to the official MCP Registry. Not a usage or quality measure. | point in time | Model Context Protocol | |
| mcp tools declared | 24 tools | Number of functions the server itself declared when asked to list them. This is what the server offers an agent, not a measure of how well any of them work. | as of probe | hexpm-mcp.fly.dev | |
| mcp endpoint status | ok | The server listed 24 functions when asked. | as of probe | hexpm-mcp.fly.dev |
Where to get it
This record as data
Every field on this page, with its source and observation date, is in the catalog JSON. Fetch the whole kind at once instead of parsing this HTML.
GET /api/v1/entries/mcp_server.json