CrossRef Alternative MCP Server for Google ADK 13 tools — connect in under 2 minutes
Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add CrossRef Alternative as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.
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Vinkius supports streamable HTTP and SSE.
from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
StreamableHTTPConnectionParams,
)
# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
connection_params=StreamableHTTPConnectionParams(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
)
)
agent = Agent(
model="gemini-2.5-pro",
name="crossref_alternative_agent",
instruction=(
"You help users interact with CrossRef Alternative "
"using 13 available tools."
),
tools=[mcp_tools],
)
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About CrossRef Alternative MCP Server
Connect to CrossRef and explore the world's largest scholarly metadata database through natural conversation — no API key needed.
Google ADK natively supports CrossRef Alternative as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 13 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.
What you can do
- Work Search — Search 150M+ academic works by title, author, DOI, keywords or abstract
- DOI Lookup — Get complete metadata for any academic work by its DOI
- Journal Search — Browse academic journals by name with ISSNs and work counts
- Publisher Search — Find academic publishers with their work counts and journal lists
- Funder Search — Discover research funding organizations and their funded works
- Member Search — Browse CrossRef member organizations that register DOIs
- Work Types — Explore publication types (journal-article, book-chapter, proceedings, dataset)
- Licenses — View academic licenses used in scholarly works
The CrossRef Alternative MCP Server exposes 13 tools through the Vinkius. Connect it to Google ADK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect CrossRef Alternative to Google ADK via MCP
Follow these steps to integrate the CrossRef Alternative MCP Server with Google ADK.
Install Google ADK
Run pip install google-adk
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Create the agent
Save the code above and integrate into your ADK workflow
Explore tools
The agent will discover 13 tools from CrossRef Alternative via MCP
Why Use Google ADK with the CrossRef Alternative MCP Server
Google ADK provides unique advantages when paired with CrossRef Alternative through the Model Context Protocol.
Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution
Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with CrossRef Alternative
Production-ready features like session management, evaluation, and deployment come built-in. not bolted on
Seamless integration with Google Cloud services means you can combine CrossRef Alternative tools with BigQuery, Vertex AI, and Cloud Functions
CrossRef Alternative + Google ADK Use Cases
Practical scenarios where Google ADK combined with the CrossRef Alternative MCP Server delivers measurable value.
Enterprise data agents: ADK agents query CrossRef Alternative and cross-reference results with internal databases for comprehensive analysis
Multi-modal workflows: combine CrossRef Alternative tool responses with Gemini's vision and language capabilities in a single agent
Automated compliance checks: schedule ADK agents to query CrossRef Alternative regularly and flag policy violations or configuration drift
Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including CrossRef Alternative
CrossRef Alternative MCP Tools for Google ADK (13)
These 13 tools become available when you connect CrossRef Alternative to Google ADK via MCP:
get_funder
Returns funder name, country, URI, work count and location info. Get details for a specific research funder
get_journal
Returns journal title, ISSNs, publisher, work count and URL. Get details for a specific journal by ISSN
get_licenses
Returns license IDs, URLs and names. Get list of known licenses used in academic works
get_member
Returns member name, prefixes, work counts and location info. Get details for a specific CrossRef member
get_publisher
Returns publisher name, work count, journal count and location info. Get details for a specific publisher
get_types
). Useful for filtering searches by publication type. Get list of academic work types
get_work
Returns title, authors, abstract, publication date, journal, publisher, license, references, citation count and full citation info. Get metadata for a specific academic work by DOI
get_works_by_doi_list
Provide a comma-separated list of DOIs. Returns metadata for each work including title, authors, publication date and journal. Get metadata for multiple works by their DOIs
search_funders
Returns funder names, IDs, country codes, URIs and work counts. Search research funders by name
search_journals
Returns journal titles, ISSNs, publisher names and work counts. Search academic journals by name
search_members
Returns member names, IDs, prefixes and work counts. Search CrossRef member organizations
search_publishers
Returns publisher names, work counts, journal counts and organization names. Search academic publishers by name
search_works
Supports free-text query and advanced filtering by type, publication date, author, journal, publisher, funder, license and more. Returns titles, authors, publication dates, DOIs, citation counts and abstracts. Search academic works by title, author, DOI or keywords
Example Prompts for CrossRef Alternative in Google ADK
Ready-to-use prompts you can give your Google ADK agent to start working with CrossRef Alternative immediately.
"Search for papers about machine learning published in 2024."
"Get metadata for DOI 10.1038/nature12373."
"Find journals published by Nature Publishing Group."
Troubleshooting CrossRef Alternative MCP Server with Google ADK
Common issues when connecting CrossRef Alternative to Google ADK through the Vinkius, and how to resolve them.
McpToolset not found
pip install --upgrade google-adkCrossRef Alternative + Google ADK FAQ
Common questions about integrating CrossRef Alternative MCP Server with Google ADK.
How does Google ADK connect to MCP servers?
Can ADK agents use multiple MCP servers?
Which Gemini models work best with MCP tools?
Connect CrossRef Alternative with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
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Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect CrossRef Alternative to Google ADK
Get your token, paste the configuration, and start using 13 tools in under 2 minutes. No API key management needed.