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Hex.pm MCP

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io.github.joshrotenberg/hexpm-mcpv0.3.1

MCP server for hex.pm and hexdocs.pm: search, inspect, compare, and audit Elixir packages

Developer Tools

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https://hexpm-mcp.fly.dev/mcp

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alternatives

Find alternative packages

namestring, required

Package name on hex.pm

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Hex.pm MCP MCP server | mcptry

Tools (24)

alternatives

Find alternative packages

Argument	Type	Description
name*	string	Package name on hex.pm

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    }
  }
}

audit

Audit package dependencies for risks

Argument	Type	Description
name*	string	Package name on hex.pm
version	string	Release version (defaults to latest)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    },
    "version": {
      "type": "string",
      "description": "Release version (defaults to latest)"
    }
  }
}

audit_mix_deps

Audit mix.exs dependencies for risks

Argument	Type	Description
deps*	string	Mix.exs deps list as text, e.g. {:phoenix, "~> 1.7"}, {:ecto, "~> 3.10"}

Input schema (JSON)

{
  "type": "object",
  "required": [
    "deps"
  ],
  "properties": {
    "deps": {
      "type": "string",
      "description": "Mix.exs deps list as text, e.g. {:phoenix, \"~> 1.7\"}, {:ecto, \"~> 3.10\"}"
    }
  }
}

compare

Compare 2-5 packages side by side

Argument	Type	Description
packages*	string	Comma-separated list of package names (2-5 packages)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "packages"
  ],
  "properties": {
    "packages": {
      "type": "string",
      "description": "Comma-separated list of package names (2-5 packages)"
    }
  }
}

dep_tree

Build a package dependency tree

Argument	Type	Description
name*	string	Package name on hex.pm
version	string	Release version (defaults to latest)
max_depth	integer	Maximum depth to traverse (default 5, max 5)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    },
    "version": {
      "type": "string",
      "description": "Release version (defaults to latest)"
    },
    "max_depth": {
      "type": "integer",
      "description": "Maximum depth to traverse (default 5, max 5)"
    }
  }
}

dependencies

Get dependencies for a package version

Argument	Type	Description
name*	string	Package name on hex.pm
version	string	Release version (defaults to latest)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    },
    "version": {
      "type": "string",
      "description": "Release version (defaults to latest)"
    }
  }
}

doc_item

Get documentation for a module or function

Argument	Type	Description
name*	string	Package name on hex.pm
module*	string	Module name (e.g. "Plug.Conn")
version	string	Package version (defaults to latest)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name",
    "module"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    },
    "module": {
      "type": "string",
      "description": "Module name (e.g. \"Plug.Conn\")"
    },
    "version": {
      "type": "string",
      "description": "Package version (defaults to latest)"
    }
  }
}

docs

Browse a package documentation module listing

Argument	Type	Description
name*	string	Package name on hex.pm
version	string	Package version (defaults to latest)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    },
    "version": {
      "type": "string",
      "description": "Package version (defaults to latest)"
    }
  }
}

downloads

Get package download statistics

Argument	Type	Description
name*	string	Package name on hex.pm

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    }
  }
}

features

Get optional features for a package release

Argument	Type	Description
name*	string	Package name on hex.pm
version	string	Release version (defaults to latest)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    },
    "version": {
      "type": "string",
      "description": "Release version (defaults to latest)"
    }
  }
}

health

Run a comprehensive package health check

Argument	Type	Description
name*	string	Package name on hex.pm

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    }
  }
}

info

Get detailed package information

Argument	Type	Description
name*	string	Package name on hex.pm

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    }
  }
}

owners

Get package owners and maintainers

Argument	Type	Description
name*	string	Package name on hex.pm

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    }
  }
}

readme

Get package README content

Argument	Type	Description
name*	string	Package name on hex.pm
version	string	Package version (defaults to latest)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    },
    "version": {
      "type": "string",
      "description": "Package version (defaults to latest)"
    }
  }
}

release

Get detailed package release information

Argument	Type	Description
name*	string	Package name on hex.pm
version*	string	Release version (e.g. "1.8.5")

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name",
    "version"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    },
    "version": {
      "type": "string",
      "description": "Release version (e.g. \"1.8.5\")"
    }
  }
}

Search hex.pm packages

Argument	Type	Description
page	integer	Page number (default 1)
sort	string	Sort by: name, recent_downloads, total_downloads, inserted_at, updated_at
query*	string	Search query string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "query"
  ],
  "properties": {
    "page": {
      "type": "integer",
      "description": "Page number (default 1)"
    },
    "sort": {
      "type": "string",
      "description": "Sort by: name, recent_downloads, total_downloads, inserted_at, updated_at"
    },
    "query": {
      "type": "string",
      "description": "Search query string"
    }
  }
}

search_docs

Search within package documentation

Argument	Type	Description
name*	string	Package name on hex.pm
query*	string	Search query
version	string	Package version (defaults to latest)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name",
    "query"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    },
    "query": {
      "type": "string",
      "description": "Search query"
    },
    "version": {
      "type": "string",
      "description": "Package version (defaults to latest)"
    }
  }
}

toolbox_category

List projects in a Toolbox category

Argument	Type	Description
sort	string	Ordering: "name" (alphabetical) or "downloads"; defaults to popularity order
group*	string	Group slug (e.g. "web", "ai")
category*	string	Category slug within the group (e.g. "frameworks")

Input schema (JSON)

{
  "type": "object",
  "required": [
    "group",
    "category"
  ],
  "properties": {
    "sort": {
      "type": "string",
      "description": "Ordering: \"name\" (alphabetical) or \"downloads\"; defaults to popularity order"
    },
    "group": {
      "type": "string",
      "description": "Group slug (e.g. \"web\", \"ai\")"
    },
    "category": {
      "type": "string",
      "description": "Category slug within the group (e.g. \"frameworks\")"
    }
  }
}

toolbox_group

List categories in a Toolbox group

Argument	Type	Description
group*	string	Group slug (e.g. "web", "ai")

Input schema (JSON)

{
  "type": "object",
  "required": [
    "group"
  ],
  "properties": {
    "group": {
      "type": "string",
      "description": "Group slug (e.g. \"web\", \"ai\")"
    }
  }
}

toolbox_groups

Browse the Elixir Toolbox taxonomy

No arguments.

Input schema (JSON)

{
  "type": "object"
}

toolbox_search

Search packages through Elixir Toolbox

Argument	Type	Description
query*	string	Search query string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "query"
  ],
  "properties": {
    "query": {
      "type": "string",
      "description": "Search query string"
    }
  }
}

toolbox_trending

List trending Elixir packages

Argument	Type	Description
limit	integer	Maximum number of projects to return

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Maximum number of projects to return"
    }
  }
}

upgrade_check

Check mix.exs dependencies for upgrades

Argument	Type	Description
deps*	string	Mix.exs deps list as text, e.g. {:phoenix, "~> 1.7"}, {:ecto, "~> 3.10"}

Input schema (JSON)

{
  "type": "object",
  "required": [
    "deps"
  ],
  "properties": {
    "deps": {
      "type": "string",
      "description": "Mix.exs deps list as text, e.g. {:phoenix, \"~> 1.7\"}, {:ecto, \"~> 3.10\"}"
    }
  }
}

versions

List all package versions

Argument	Type	Description
name*	string	Package name on hex.pm

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Package name on hex.pm"
    }
  }
}