Research Paper & DOI Lookup (Crossref)

Verify a DOI or find papers via Crossref metadata. $0.005/call via x402.

What does this entry provide?

Research Paper & DOI Lookup (Crossref) is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 97/100. This catalog entry is the indexed repository pcp183/paper-lookup. The command is the string recorded from the source. It is not proof of a one-click install in every client. An MCP server exposes callable tools to a client. An agent skill is an instruction package. This entry is an MCP server record. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. Review the repository push date and repository status before adding Research Paper & DOI Lookup (Crossref) to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.

Snapshot facts

Source: Official MCP Registry
Quality: 97/100
Install method: streamable-http
Repo: pcp183/paper-lookup
Repo updated: Oct 17, 2026
Seen: Nov 14, 2026

Install command

mcp add io.github.pcp183/paper-lookup https://paper-lookup-production-56b0.up.railway.app/mcp

Install method: streamable-http

The command is the string recorded from the source. It is not proof of a one-click install in every client.

Review the upstream source before running this command.

GitHub project

Quality

Repo stars

Repo updated

Oct 17, 2026

How is this score calculated?

Weighted across six dimensions, scored 0-100.
Provenance (25): listed in an official or curated registry.
Installability (25): a runnable install command beats a declared transport, which beats a source checkout.
Maintenance (20): recency of the last push; archived entries score zero here.
Adoption (20): repository stars on a log curve.

MCP manifest

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-10-17T06:32:30.714957Z",
      "publishedAt": "2026-10-17T06:32:30.714957Z",
      "statusChangedAt": "2026-10-17T06:32:30.714957Z"
    }
  },
  "server": {
    "name": "io.github.pcp183/paper-lookup",
    "title": "Research Paper & DOI Lookup (Crossref)",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://paper-lookup-production-56b0.up.railway.app/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "0.2.0",
    "repository": {
      "url": "https://github.com/pcp183/paper-lookup",
      "source": "github"
    },
    "websiteUrl": "https://paper-lookup-production-56b0.up.railway.app",
    "description": "Verify a DOI or find papers via Crossref metadata. $0.005/call via x402."
  }
}

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