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io.github.cyanheads/crossref-mcp-server

io.github.cyanheads/crossref-mcp-server

by io.github.cyanheads· v0.5.3Source: Official MCP Registry

Change history

Every change Squatch detected in tools, permissions, endpoints, versions and disclosures. History is append-only: entries are never edited or removed.

Nov 15, 2026

  1. Resource changedSeverity: Info

    resource:skill://crossref-guide/SKILL.md

    The resource definition changed.

    Detected

  2. Tool output schema changedSeverity: Low

    crossref_search_works

    The declared output schema changed.

    Detected

  3. Tool input schema changedSeverity: Low

    crossref_search_works

    Parameters added: 1; removed: 0.

    Detected

  4. Tool description changedSeverity: Low

    crossref_search_works

    The tool description changed.

    Detected

  5. Tool output schema changedSeverity: Low

    crossref_search_journals

    The declared output schema changed.

    Detected

  6. Tool input schema changedSeverity: Low

    crossref_search_journals

    Parameter descriptions or examples changed; the parameter structure is unchanged.

    Detected

  7. Tool output schema changedSeverity: Low

    crossref_search_funders

    The declared output schema changed.

    Detected

  8. Tool description changedSeverity: Low

    crossref_search_funders

    The tool description changed.

    Detected

  9. Tool output schema changedSeverity: Low

    crossref_get_work

    The declared output schema changed.

    Detected

  10. Tool description changedSeverity: Low

    crossref_get_work

    The tool description changed.

    Detected

  11. Tool output schema changedSeverity: Low

    crossref_get_references

    The declared output schema changed.

    Detected

  12. Tool input schema changedSeverity: Low

    crossref_get_references

    Parameter descriptions or examples changed; the parameter structure is unchanged.

    Detected

  13. Tool output schema changedSeverity: Low

    crossref_get_prefix

    The declared output schema changed.

    Detected

  14. Tool output schema changedSeverity: Low

    crossref_get_member

    The declared output schema changed.

    Detected

Nov 14, 2026

  1. New version publishedSeverity: Info

    A new version was published to the Official MCP Registry.

    Detected

Nov 11, 2026

  1. Resource changedSeverity: Info

    resource:skill://crossref-guide/SKILL.md

    The resource definition changed.

    Detected

  2. Tool output schema changedSeverity: Low

    crossref_search_works

    The declared output schema changed.

    Detected

  3. Tool input schema changedSeverity: Low

    crossref_search_works

    Parameters added: 0; removed: 0.

    Detected

  4. Tool input schema changedSeverity: Low

    crossref_search_journals

    Parameter descriptions or examples changed; the parameter structure is unchanged.

    Detected

  5. Tool output schema changedSeverity: Low

    crossref_get_work

    The declared output schema changed.

    Detected

  6. Tool description changedSeverity: Low

    crossref_get_work

    The tool description changed.

    Detected

  7. New version publishedSeverity: Info

    A new version was published to the Official MCP Registry.

    Detected

Nov 4, 2026

  1. Resource changedSeverity: Info

    resource:skill://crossref-guide/SKILL.md

    The resource definition changed.

    Detected

  2. Tool output schema changedSeverity: Low

    crossref_search_works

    The declared output schema changed.

    Detected

  3. Tool input schema changedSeverity: Low

    crossref_search_works

    Parameters added: 0; removed: 0.

    Detected

  4. Tool output schema changedSeverity: Low

    crossref_search_journals

    The declared output schema changed.

    Detected

  5. Tool input schema changedSeverity: Low

    crossref_search_journals

    Parameter descriptions or examples changed; the parameter structure is unchanged.

    Detected

  6. Tool description changedSeverity: Low

    crossref_search_journals

    The tool description changed.

    Detected

  7. Tool output schema changedSeverity: Low

    crossref_search_funders

    The declared output schema changed.

    Detected

  8. Tool input schema changedSeverity: Low

    crossref_search_funders

    Parameter descriptions or examples changed; the parameter structure is unchanged.

    Detected

  9. Tool description changedSeverity: Low

    crossref_search_funders

    The tool description changed.

    Detected

  10. Tool output schema changedSeverity: Low

    crossref_get_work

    The declared output schema changed.

    Detected

  11. Tool input schema changedSeverity: Low

    crossref_get_work

    Parameter descriptions or examples changed; the parameter structure is unchanged.

    Detected

  12. Tool description changedSeverity: Low

    crossref_get_work

    The tool description changed.

    Detected

  13. Tool input schema changedSeverity: Low

    crossref_get_references

    Parameter descriptions or examples changed; the parameter structure is unchanged.

    Detected

  14. Tool output schema changedSeverity: Low

    crossref_get_prefix

    The declared output schema changed.

    Detected

  15. Tool description changedSeverity: Low

    crossref_get_prefix

    The tool description changed.

    Detected

  16. Tool input schema changedSeverity: Low

    crossref_get_member

    Parameter descriptions or examples changed; the parameter structure is unchanged.

    Detected

  17. Tool description changedSeverity: Low

    crossref_get_member

    The tool description changed.

    Detected

  18. New version publishedSeverity: Info

    A new version was published to the Official MCP Registry.

    Detected

Oct 28, 2026

  1. Extension addedSeverity: Low

    io.modelcontextprotocol/skills

    The server now advertises a protocol extension.

    Detected

  2. Resource addedSeverity: Info

    template:skill://{+path}

    A new resource was observed.

    Detected

  3. Resource addedSeverity: Info

    resource:skill://crossref-guide/SKILL.md

    A new resource was observed.

    Detected

  4. New version publishedSeverity: Info

    A new version was published to the Official MCP Registry.

    Detected

Oct 24, 2026

  1. Tool output schema changedSeverity: Low

    crossref_search_works

    The declared output schema changed.

    Detected

  2. Tool output schema changedSeverity: Low

    crossref_get_work

    The declared output schema changed.

    Detected

  3. New version publishedSeverity: Info

    A new version was published to the Official MCP Registry.

    Detected

Oct 23, 2026

  1. Tool output schema changedSeverity: Low

    crossref_search_works

    The declared output schema changed.

    Detected

  2. Tool input schema changedSeverity: Low

    crossref_search_works

    Parameters added: 0; removed: 0.

    Detected

  3. Tool description changedSeverity: Low

    crossref_search_works

    The tool description changed.

    Detected