Leaderboard/crossref
MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

crossref

Crossref MCP — wraps the Crossref REST API (academic papers, free, no auth)

94/100
Operational Score
Score Breakdown
Availability30/30
Conformance30/30
Performance34/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
48.5ms
Conformance
Pass
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 405 in 71ms
Conformance
MCP initialize handshake + tools/list
Valid MCP server info returned, tools/list responded
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 48ms, task completion: 100%
Skills
search_works

Search academic works (papers, books, datasets) in the Crossref index by keyword. Returns title, authors, journal, DOI, and citation count.

get_work

Get full metadata for a specific academic work by its DOI. Returns title, authors, abstract, journal, publisher, citation count, and subjects.

get_journal

Get the 5 most recent works published in a journal by its ISSN. Returns title, authors, DOI, and publication date.

Tools
3 tools verified via live probe
verified 7h ago
Server: pipeworx-gatewayVersion: 0.1.0Protocol: 2025-03-26
Recent Probe Results
TimestampStatusLatencyConformance
Apr 4, 2026success71.2msPass
Apr 4, 2026success36.5msPass
Apr 4, 2026success32.6msPass
Apr 4, 2026success41.2msPass
Apr 4, 2026success31.3msPass
Apr 4, 2026success36msPass
Apr 4, 2026success23.9msPass
Apr 4, 2026success24.7msPass
Apr 4, 2026success45.5msPass
Apr 4, 2026success23msPass
Source Registries
mcp-registry
First Seen
Apr 3, 2026
Last Seen
Apr 4, 2026
Last Probed
Apr 4, 2026