MediaWiki MCP Server MCP Server

An MCP (Model Context Protocol) server that enables Large Language Model (LLM) clients to interact with any MediaWiki wiki.

Every tool that operates on a wiki accepts an optionalwikiargument naming the wiki to act on (the wiki-management and OAuth tools do not) — pass a wiki key (e.g.en.wikipedia.org) or the fullmcp://wikis/{wikiKey}URI. Omit it to use the configured default wiki (seeConfiguration). Each tool response reports the wiki the call ran against.

Each pack's tools register only on wikis where its extension is installed.

mcp://wikis/{wikiKey}— per-wiki resource exposingsitename,server(the wiki's public address),articlepath,scriptpath, and theprivateandreadOnlyflags.

- Those fields are the whole of it: the resource publishes a fixed list, so credentials and server-side settings in your configuration file are never exposed in resource content.
- Afteradd-wikiorremove-wiki, the server sendsnotifications/resources/list_changedso clients refresh.

{ "contents": [ { "uri": "mcp://wikis/en.wikipedia.org", "mimeType": "application/json", "text": "{ \"sitename\":\"Wikipedia\",\"server\":\"https://en.wikipedia.org\",\"articlepath\":\"/wiki\",\"scriptpath\":\"/w\",\"private\":false }" } ] }

The variables below are relevant to any setup. Variables that only apply when self-hosting the HTTP transport (ports, timeouts, Host/Origin and SSRF guards) or running the hosted OAuth proxy are indocs/deployment.md — environment variables. Config-file substitution and upload-directory variables are in docs/configuration.md.

[!NOTE] Config is only required when interacting with a private wiki or using authenticated tools.

Create aconfig.jsonfile to configure wiki connections. Use theconfig.example.jsonas a starting point.

{ "defaultWiki": "en.wikipedia.org", "wikis": { "en.wikipedia.org": { "sitename": "Wikipedia", "server": "https://en.wikipedia.org", "articlepath": "/wiki", "scriptpath": "/w" } } }

Internal vs public address.Theserveryou configure may be an internal hostname (e.g.http://mediawikiin Docker); URLs handed back to the caller are built from the wiki's public address, so internal hostnames don't leak into links. Seedocs/configuration.md — per-wiki fields.

For the full field reference, env-var substitution, secret sources, change tags, upload directories, and authentication options, see docs/configuration.md.

Tools marked 🔐 require authentication. Write tools (including extension-pack writes) are hidden fromtools/listwhen the configured default wiki hasreadOnly: true— see Deployment.

The Cargo tools (cargo-query,cargo-list-tables,cargo-describe-table) call API actions gated by theruncargoqueriesuser right. Most wikis grant this to all users by default; wikis that restrict it require theCreate, query and delete data through the Cargo extensiongrant on the bot password or OAuth consumer. The Cargo extension is also detected on wiki.gg-hosted wikis (Helldivers, Terraria, Ark, etc.), where it ships under the rebranded nameLIBRARIAN.

Pick your client below, or use the standard configurationif it is not listed.CONFIGis optional; without it the server targets English Wikipedia. To point it at your own wiki and set up authentication for writes, see docs/configuration.md.

Add this repository as a plugin marketplace, then install the bundled server:

/plugin marketplace add ProfessionalWiki/MediaWiki-MCP-Server /plugin install mediawiki-mcp-server@professional-wiki

The plugin takes an optional configuration file, which points the server at your own wiki. Set it from the prompt when enabling the plugin, or at any time with/plugin configure mediawiki-mcp-server@professional-wiki. A command-line install takes the same value viaclaude plugin install mediawiki-mcp-server@professional-wiki --config configPath=path/to/config.json.

When installed as a plugin, the tools are namespacedmcp__plugin_mediawiki-mcp-server_mediawiki__<tool>; update any tool allowlists or hooks accordingly.

To configure the server directly instead, see the Claude Code MCP docs. The short version:

claude mcp add mediawiki-mcp-server -- npx -y @professional-wiki/mediawiki-mcp-server@latest # Environment variables go before the --: claude mcp add mediawiki-mcp-server -e CONFIG=path/to/config.json -- npx -y @professional-wiki/mediawiki-mcp-server@latest

Add this repository as a plugin marketplace, then install the bundled server:

codex plugin marketplace add ProfessionalWiki/MediaWiki-MCP-Server codex plugin add mediawiki-mcp-server@professional-wiki

To point the plugin at your own wiki, setCONFIGin the shell you launch Codex from, for exampleexport CONFIG=path/to/config.json. Codex has no per-plugin configuration; if you would rather not set an environment variable,codex mcp add mediawiki --env CONFIG=path/to/config.json -- npx -y @professional-wiki/mediawiki-mcp-server@latestregisters the server directly and takes precedence over the plugin's copy.

See the Codex plugins documentationfor how to list, update, or remove plugins.

Download MediaWiki-MCP-Server.mcpband double-click it to install the extension, which prompts for a configuration file path so you can point it at your own wiki instead of English Wikipedia.

Or add the standard configurationby hand.

Add the standard configurationto Antigravity's MCP config, either globally in~/.gemini/config/mcp_config.jsonor per-workspace in.agents/mcp_config.json.

If you previously installed the Gemini CLI extension, Antigravity's setup wizard offers to import your existing Gemini CLI configuration.

OpenCode uses its own configuration shape rather thanmcpServers; add this toopencode.jsonin your project root, or~/.config/opencode/opencode.jsonfor a global install.

{ "$schema": "https://opencode.ai/config.json", "mcp": { "mediawiki-mcp-server": { "type": "local", "command": ["npx", "-y", "@professional-wiki/mediawiki-mcp-server@latest"], "environment": { "CONFIG": "path/to/config.json" } } } }

Most clients read the same server block. Paste it into the file listed for your client, replacingmcpServerswith that client's root key:

{ "mcpServers": { "mediawiki-mcp-server": { "command": "npx", "args": ["-y", "@professional-wiki/mediawiki-mcp-server@latest"], "env": { "CONFIG": "path/to/config.json" } } } }

For any other client,npx add-mcp @professional-wiki/mediawiki-mcp-servermay work:add-mcpis a community CLI that writes your client's configuration file for you. It sets the launch command only; addCONFIGyourself to point at your own wiki.

Running the server as a remote HTTP endpoint for other users has its own configuration requirements — see docs/deployment.md. A pre-built image is published atghcr.io/professionalwiki/mediawiki-mcp-server. For day-2 operations (logs,/health//ready, metrics, graceful shutdown), see docs/operations.md.

Defaults are safe for single-user use. Before exposing the HTTP transport to others, lock down three things:

- Terminate TLS at your reverse proxy.Don't expose the MCP port directly on an untrusted network. See docs/deployment.md — security checklist.
- PairMCP_BINDwithMCP_ALLOWED_HOSTSandMCP_ALLOWED_ORIGINS.The HTTP transport binds to127.0.0.1by default. When you open it up withMCP_BIND=0.0.0.0, setMCP_ALLOWED_HOSTSto the hostnames your proxy forwards andMCP_ALLOWED_ORIGINSto the browser origins allowed to call the server — these block DNS-rebinding and cross-origin attacks respectively.
- Uploads are opt-in.upload-fileis disabled until you list allowed directories inuploadDirsorMCP_UPLOAD_DIRS. See docs/configuration.md — upload directories.
- Internal destinations needMCP_TRUSTED_HOSTS.Outbound fetches are SSRF-guarded: a destination resolving to a private or loopback address (e.g. a Docker-network alias likemediawiki.svc) is refused until you list its host inMCP_TRUSTED_HOSTS. See docs/deployment.md — outbound SSRF guard.

Report a vulnerability via GitHub's security advisory form— full policy in SECURITY.md.

Contributions are welcome — pull requests and issues (bugs, feature requests, suggestions) both work.

- Working on tool code?Start from AGENTS.mdfor repo layout, commands, and testing patterns.
- Adding or modifying a tool?Read docs/tool-conventions.md— it covers description voice, parameter docs, annotation hints, and MediaWiki terminology conventions.
- Running a release?See docs/releasing.md.

This project is licensed under the MIT License. See the LICENSEfile for details.

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MediaWiki MCP Server

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