Dependency Health MCP

Package alive? Verdict with evidence: deprecated, archived, stale or active; plus runtime EOL dates. Remote MCP server over Streamable HTTP at https://dephealth.dsh.sh/mcp. Free, no API key. Tools: package_health, deps_audit, runtime_eol. The tool list is fixed per version.

One call answers whether a package is still alive: a verdict (deprecated, archived, stale, active or unknown) with the evidence behind it — registry deprecation (per-version on npm, go.mod Deprecated/retract for Go, NuGet deprecation, Packagist abandoned), yanked releases, repository archived and last-push dates, maintainer and dependent counts, known advisories for the exact version, and what replaced it. Covers npm, PyPI, crates.io, RubyGems, Go modules, Maven, NuGet and Packagist through ecosyste.ms, the native registries and deps.dev, all keyless. deps_audit takes a whole package.json or requirements.txt (up to 25 packages) and runtime_eol reports endoflife.date support and EOL dates for runtimes and OSes. Free, no key, no account; every response lists the upstream calls it made.

Use when: Before pinning, upgrading or auditing a dependency: package_health returns whether it is deprecated, archived, stale or active with the raw registry evidence, advisories for the version you use and the replacement if there is one; deps_audit does the same for a whole manifest; runtime_eol says whether a Node, Python, OS or database version is still supported and when it dies.

Not for: Not a vulnerability scanner (advisory ids only, no CVSS triage or reachability), not license compliance, not a popularity ranking, and it cannot see private registries or vendored code.

Quick install (Claude Code): claude mcp add --transport http dephealth https://dephealth.dsh.sh/mcp -s user

Live server: https://dephealth.dsh.sh

Docs

• Full reference: every tool with its JSON input schema and an example
• Install for any client: Claude Code, Cursor, VS Code, Claude Desktop, ChatGPT, Codex, Gemini CLI, Windsurf, Cline, Continue, Zed
• OpenAPI twin: the same tools as plain HTTP POST endpoints
• Registry server.json: machine-readable server record
• Server card: transport + tool card (also at https://dephealth.dsh.sh/.well-known/mcp.json, SEP-1960)
• ARD manifest: Agentic Resource Discovery entry (also at https://dephealth.dsh.sh/.well-known/ai-catalog.json)

Upstreams

• ecosyste.ms packages API: keyless
• deps.dev v3: keyless
• npm registry: keyless
• PyPI JSON API: keyless
• crates.io API: keyless
• RubyGems API: keyless
• Go module proxy: keyless
• NuGet registration index: keyless
• Packagist p2: keyless
• GitHub REST (fallback only): keyless
• endoflife.date API: keyless

Optional

• Health: liveness JSON
• Owner: ux-xd

Tools

Tool	Purpose	Effects
package_health	Is this package alive? One verdict — deprecated, archived, stale, active or unknown — with the evidence: per-version deprecation from the native registry, yanked/retracted latest release, repository archived and last-push dates, maintainer and dependent counts, advisory ids for the exact version, and what replaced it. Use when choosing, pinning or upgrading a dependency in npm, PyPI, crates.io, RubyGems, Go, Maven, NuGet or Packagist.	read-only, open-world, idempotent
deps_audit	Health verdict for every package in a manifest or a list, in one call (≤25 packages): deprecated / archived / stale / active / unknown per package with the latest version, release and push ages, advisory counts and replacements, plus a summary. Use when reviewing a repository's package.json or requirements.txt before an upgrade, an audit or a fork decision.	read-only, open-world, idempotent
runtime_eol	Support and end-of-life dates for a runtime, OS, database or framework version from endoflife.date (470+ products): each cycle with a verdict — supported, security-only or eol — the latest patch, LTS flag and days to EOL. Use when deciding which Node, Python, Ubuntu, PostgreSQL, Java, Django… version to target or whether a deployed one is still safe.	read-only, open-world, idempotent

Every tool takes task_context: one sentence on what the user is trying to do. It is required.

package_health

Is this package alive? One verdict — deprecated, archived, stale, active or unknown — with the evidence: per-version deprecation from the native registry, yanked/retracted latest release, repository archived and last-push dates, maintainer and dependent counts, advisory ids for the exact version, and what replaced it. Use when choosing, pinning or upgrading a dependency in npm, PyPI, crates.io, RubyGems, Go, Maven, NuGet or Packagist.

Input schema:

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "ecosystem": {
      "type": "string",
      "enum": [
        "npm",
        "pypi",
        "cargo",
        "rubygems",
        "go",
        "maven",
        "nuget",
        "packagist"
      ],
      "description": "npm | pypi | cargo (crates.io) | rubygems | go (module path) | maven (group:artifact) | nuget | packagist (vendor/package)"
    },
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200,
      "description": "Package name as the registry spells it: \"@scope/name\", \"requests\", \"serde\", \"rails\", \"github.com/gorilla/mux\", \"org.apache.commons:commons-lang3\", \"Newtonsoft.Json\", \"monolog/monolog\""
    },
    "version": {
      "description": "The exact version you use or intend to pin; enables per-version advisories and deprecation. Omit for the latest.",
      "type": "string",
      "maxLength": 80
    },
    "task_context": {
      "type": "string",
      "minLength": 1,
      "maxLength": 500,
      "description": "One sentence on what the user is ultimately trying to do (the task this call serves). Required; it tunes the result and is how this free service learns what agents need."
    }
  },
  "required": [
    "ecosystem",
    "name",
    "task_context"
  ],
  "additionalProperties": false
}

Example arguments:

{
  "ecosystem": "npm",
  "name": "request",
  "task_context": "example: Is this package alive? One verdict — deprecated, archived, s"
}

deps_audit

Health verdict for every package in a manifest or a list, in one call (≤25 packages): deprecated / archived / stale / active / unknown per package with the latest version, release and push ages, advisory counts and replacements, plus a summary. Use when reviewing a repository's package.json or requirements.txt before an upgrade, an audit or a fork decision.

Input schema:

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "packages": {
      "description": "Explicit list of packages; combine with or instead of `manifest`.",
      "maxItems": 25,
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "ecosystem": {
            "type": "string",
            "enum": [
              "npm",
              "pypi",
              "cargo",
              "rubygems",
              "go",
              "maven",
              "nuget",
              "packagist"
            ],
            "description": "npm | pypi | cargo (crates.io) | rubygems | go (module path) | maven (group:artifact) | nuget | packagist (vendor/package)"
          },
          "name": {
            "type": "string",
            "minLength": 1,
            "maxLength": 200,
            "description": "Package name as the registry spells it: \"@scope/name\", \"requests\", \"serde\", \"rails\", \"github.com/gorilla/mux\", \"org.apache.commons:commons-lang3\", \"Newtonsoft.Json\", \"monolog/monolog\""
          },
          "version": {
            "type": "string",
            "maxLength": 80
          }
        },
        "required": [
          "ecosystem",
          "name"
        ],
        "additionalProperties": false
      }
    },
    "manifest": {
      "description": "Raw package.json (dependencies, devDependencies, peer, optional) or requirements.txt text; other formats are reported as unparsed.",
      "type": "string",
      "maxLength": 60000
    },
    "manifest_kind": {
      "default": "auto",
      "type": "string",
      "enum": [
        "auto",
        "package.json",
        "requirements.txt"
      ]
    },
    "task_context": {
      "type": "string",
      "minLength": 1,
      "maxLength": 500,
      "description": "One sentence on what the user is ultimately trying to do (the task this call serves). Required; it tunes the result and is how this free service learns what agents need."
    }
  },
  "required": [
    "manifest_kind",
    "task_context"
  ],
  "additionalProperties": false
}

Example arguments:

{
  "manifest": "{\"dependencies\":{\"request\":\"^2.88.2\",\"lodash\":\"4.17.20\",\"left-pad\":\"^1.3.0\"}}",
  "task_context": "example: Health verdict for every package in a manifest or a list, in"
}

runtime_eol

Support and end-of-life dates for a runtime, OS, database or framework version from endoflife.date (470+ products): each cycle with a verdict — supported, security-only or eol — the latest patch, LTS flag and days to EOL. Use when deciding which Node, Python, Ubuntu, PostgreSQL, Java, Django… version to target or whether a deployed one is still safe.

Input schema:

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "product": {
      "type": "string",
      "minLength": 1,
      "maxLength": 60,
      "description": "endoflife.date product name or alias: \"nodejs\" (or \"node\"), \"python\", \"ubuntu\", \"postgresql\", \"django\", \"java\", \"rails\", \"go\", \"php\", \"redis\""
    },
    "cycle": {
      "description": "One release cycle to report, e.g. \"22\" for Node 22, \"3.12\" for Python, \"24.04\" for Ubuntu. Omit for every cycle.",
      "type": "string",
      "maxLength": 30
    },
    "task_context": {
      "type": "string",
      "minLength": 1,
      "maxLength": 500,
      "description": "One sentence on what the user is ultimately trying to do (the task this call serves). Required; it tunes the result and is how this free service learns what agents need."
    }
  },
  "required": [
    "product",
    "task_context"
  ],
  "additionalProperties": false
}

Example arguments:

{
  "product": "nodejs",
  "cycle": "22",
  "task_context": "example: Support and end-of-life dates for a runtime, OS, database or"
}

Install

Endpoint: https://dephealth.dsh.sh/mcp (Streamable HTTP, MCP 2026-07-28 with 2025-era fallback). Authentication: none.

Claude Code

claude mcp add --transport http dephealth https://dephealth.dsh.sh/mcp -s user

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "dephealth": {
      "url": "https://dephealth.dsh.sh/mcp"
    }
  }
}

VS Code / Copilot (user mcp.json)

{
  "servers": {
    "dephealth": {
      "type": "http",
      "url": "https://dephealth.dsh.sh/mcp"
    }
  }
}

or code --add-mcp '{"name":"dephealth","type":"http","url":"https://dephealth.dsh.sh/mcp"}'

Claude Desktop / claude.ai

Settings → Connectors → Add custom connector → URL https://dephealth.dsh.sh/mcp, Authentication: None.

ChatGPT

Settings → Connectors → Add custom connector → https://dephealth.dsh.sh/mcp. Desktop app / Codex share ~/.codex/config.toml:

[mcp_servers.dephealth]
url = "https://dephealth.dsh.sh/mcp"

Codex CLI (~/.codex/config.toml)

[mcp_servers.dephealth]
url = "https://dephealth.dsh.sh/mcp"

Gemini CLI

gemini mcp add --transport http dephealth https://dephealth.dsh.sh/mcp -s user

(settings.json uses httpUrl, not url.)

Windsurf (~/.codeium/windsurf/mcp_config.json)

{
  "mcpServers": {
    "dephealth": {
      "serverUrl": "https://dephealth.dsh.sh/mcp"
    }
  }
}

Cline

{
  "mcpServers": {
    "dephealth": {
      "type": "streamableHttp",
      "url": "https://dephealth.dsh.sh/mcp"
    }
  }
}

Continue (.continue/mcpServers/dephealth.yaml)

name: dephealth
mcpServers:
  - name: dephealth
    type: streamable-http
    url: https://dephealth.dsh.sh/mcp

Zed (settings.json)

{
  "context_servers": {
    "dephealth": {
      "source": "custom",
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://dephealth.dsh.sh/mcp"
      ]
    }
  }
}

Any MCP client

Streamable HTTP endpoint: https://dephealth.dsh.sh/mcp

{
  "mcpServers": {
    "dephealth": {
      "url": "https://dephealth.dsh.sh/mcp"
    }
  }
}

This page documents a server. It does not ask the reader to change any rules file, memory file, or host configuration.

Run it yourself

npm install && npm start            # http://127.0.0.1:8080/mcp
docker compose up -d --build        # same, in a container
node scripts/smoke.mjs http://127.0.0.1:8080 package_health '{}'

Built with the MCP server kit (kit/): Streamable HTTP MCP plus agent-readable docs (llms.txt, server.json, install pages, a REST twin), all from one manifest (servers/dephealth/mcp.factory.json). This repo is the server logic only; no telemetry is collected or sent by this code. MIT.