Wikidata + Google Knowledge Graph MCP

Read-only Wikidata tools and identity evidence.

CommunityOnlineNo sign-inGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Read-only Wikidata tools and identity evidence. Local optional Google KG; bounded public remote.

    How to connect

    How to connect Wikidata + Google Knowledge Graph MCP to Claude

    The server address to paste into Claude settings:

    https://wikidata-knowledge-mcp.revanalex.workers.dev/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect Wikidata + Google Knowledge Graph MCP to ChatGPT

    The server address to paste into ChatGPT settings:

    https://wikidata-knowledge-mcp.revanalex.workers.dev/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect Wikidata + Google Knowledge Graph MCP to Cursor

    The server address to paste into Cursor settings:

    https://wikidata-knowledge-mcp.revanalex.workers.dev/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (8)

    Raw names from tools/list. Only developers need these.

    kg_searchWikidata entity candidates by name, with local place/type filtering. Default 3, maximum 5 candidates. Google and fallback are disabled remotely. New entities use bounded direct-record admission without recursive content certification. Identity evidence and uncertainty remain separate. Public prose, aliases, external links and media are withheld.
    kg_entityBounded structured facts for one Wikidata QID. Arbitrary source prose, aliases, URLs, media and references are withheld. New entities use bounded direct-record admission without recursive content certification. Identity evidence and uncertainty remain separate. Public prose, aliases, external links and media are withheld.
    kg_relatedBounded outgoing, inverse or hierarchy relationships for one Wikidata QID. Maximum depth 2 and 10 results. New entities use bounded direct-record admission without recursive content certification. Identity evidence and uncertainty remain separate. Public prose, aliases, external links and media are withheld.
    kg_resolveCanonical deterministic resolution of one identity from supplied local facts and Wikidata evidence. Returns identity verdicts and reason codes, including uncertainty. Google is disabled remotely. New entities use bounded direct-record admission without recursive content certification. Identity evidence and uncertainty remain separate. Public prose, aliases, external links and media are withheld.
    kg_audit_identityCanonical audit of one existing Wikidata QID against one local identity envelope. Returns contradictions, evidence and uncertainty. Provider agreement is not local identity proof. Google crosscheck is disabled remotely. New entities use bounded direct-record admission without recursive content certification. Identity evidence and uncertainty remain separate. Public prose, aliases, external links and media are withheld.
    kg_discover_identityCanonical discovery of one identity from a local evidence envelope. Default 3, maximum 5 candidates. Returns ambiguity and insufficient-evidence states; sameAs candidates are unapproved. Google crosscheck is disabled remotely. New entities use bounded direct-record admission without recursive content certification. Identity evidence and uncertainty remain separate. Public prose, aliases, external links and media are withheld.
    kg_lookup_entitiesCompact selected Wikidata facts for at most 10 supplied QIDs. Fact lookup does not establish local identity. New entities use bounded direct-record admission without recursive content certification. Identity evidence and uncertainty remain separate. Public prose, aliases, external links and media are withheld.
    kg_statusPublic remote provider configuration and operational limits. No external provider calls. Wikidata is available; Google Knowledge Graph is disabled.