MediaWiki MCP Server

Paste it into your assistant. It asks for the manifest, the server wiring and the skills, and for an honest account of what this record does not say. Read that second file first.

Draft an Agent Plugin (agent-plugins.org, specification 1.1.0) that wraps the
MCP server described below, so that somebody could install one thing and have
an assistant that knows when and how to use it.

An Agent Plugin is one installable unit: a `plugin.json` manifest, an
`mcp.json` that wires up the servers it needs, and a `skills/` directory
where each skill is a folder holding a `SKILL.md`. Hand back every file in
full, each under its own path, ready to save.

1. Write `plugin.json` with `$schema` exactly `https://agent-plugins.org/schemas/1.1.0/plugin.schema.json`. The name is
   1 to 64 characters of a-z, 0-9, `-` and `.`, alphanumeric at both ends, with
   no `--` and no `..` in it.

2. Write `mcp.json` wiring THIS server exactly as its record declares it. A
   remote keeps the URL and the transport type as written. A package keeps the
   registry, the identifier and the version as written. Do not invent a command,
   a port, a flag or an argument that is not in the record.

3. Every secret stays an input. No key, token, password or connection string
   belongs in either file. Declare what has to be supplied, name it, and say what
   it is for.

4. Do not invent tools. The record lists the tools it lists, and if it lists
   none then the honest plugin says the tool list was not published rather than
   guessing one from the description.

5. Skills are jobs, not tools. Write one skill per thing somebody would actually
   ask for, and inside each one say when to reach for this server, what a good
   result looks like, and what to do when it comes back empty. A skill per tool
   is a manual page with a different filename.

6. Say where it stops. Name what this plugin will not do — what it has no tool
   for, what needs a person, and what it must not be pointed at. A plugin with no
   stated edge reads as one with no edge.

7. Keep the author's own words for the description. If you would rather say it
   differently, say yours somewhere else and leave theirs where it is.

8. Record which version of the server you wrapped, and where the record came
   from, at the top of `plugin.json`'s description or in the readme. A plugin
   nobody can trace back to a version is one nobody can update.

Produce a second file alongside them, `LIMITS.md`, and treat it as the more
important of the two. The plugin is for whoever installs it. This is for
whoever has to decide whether installing it is a good idea, and that is
usually a different person who will never read the manifest.

It has three parts.

**What this is built from.** One paragraph: whose server it is, what the
record says it does, which version, and the fact that the record is all you
had. Say plainly that nobody ran it.

**What the record does not say.** One entry per gap. Whether the tool list was
published. What the server does with what it reads. What it costs. Whether it
writes anything anywhere. What credentials it will ask for and what those
credentials can reach. An unanswered question stays an unanswered question:
do not fill one in from the description or from what similar servers usually do.

**What a person has to check before trusting it.** The specific things
somebody should verify for themselves, in the order that would stop them
soonest if the answer is bad.

Write it in plain English, and do not soften it. A plugin drafted from a
directory record is a starting point to argue with, not something to install
into anything that matters.

The server record follows, exactly as the public index holds it. It is
everything I have: nobody has run this server, called a tool on it, or checked
that the address answers.

```json
{
  "server": {
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "name": "io.github.ProfessionalWiki/mediawiki-mcp-server",
    "description": "MCP server enabling AI clients to interact with any MediaWiki wiki through standard tools",
    "title": "MediaWiki MCP Server",
    "repository": {
      "url": "https://github.com/ProfessionalWiki/MediaWiki-MCP-Server",
      "source": "github"
    },
    "version": "0.17.0",
    "packages": [
      {
        "registryType": "mcpb",
        "identifier": "https://github.com/ProfessionalWiki/MediaWiki-MCP-Server/releases/download/v0.17.0/MediaWiki-MCP-Server.mcpb",
        "fileSha256": "2004fcb521e24a73aaca98eadfde132df7cbb6fcf7b5814100a77b52a2188ed4",
        "transport": {
          "type": "stdio"
        },
        "environmentVariables": [
          {
            "description": "Path to your configuration file",
            "format": "filepath",
            "default": "config.json",
            "name": "CONFIG"
          },
          {
            "description": "Set to 'true' to allow HTTP startup when config.json has static credentials. Otherwise the server refuses to start, preventing silent shared-identity fallback for unauthenticated requests.",
            "name": "MCP_ALLOW_STATIC_FALLBACK"
          },
          {
            "description": "Byte cap for the content bodies and result blocks tools return (wikitext, rendered HTML, diffs, statement and row listings). An oversized response is truncated with a trailing marker describing what was left out.",
            "format": "number",
            "default": "50000",
            "name": "MCP_CONTENT_MAX_BYTES"
          },
          {
            "description": "Hard cap on the base64-encoded size of a get-file-data response. A transport/safety backstop; callers tune actual size with the tool's width parameter. Over-cap responses error rather than truncate.",
            "format": "number",
            "default": "1000000",
            "name": "MCP_FILE_DATA_MAX_BYTES"
          },
          {
            "description": "Minimum severity for logger output (stderr telemetry and sendLoggingMessage broadcast). Invalid values fail loudly on first log call.",
            "default": "debug",
            "choices": [
              "debug",
              "info",
              "notice",
              "warning",
              "error",
              "critical",
              "alert",
              "emergency",
              "silent"
            ],
            "name": "MCP_LOG_LEVEL"
          },
          {
            "description": "Maximum HTTP request body size on the StreamableHTTP transport. Accepts size strings like 1mb or 512kb.",
            "default": "1mb",
            "name": "MCP_MAX_REQUEST_BODY"
          },
          {
            "description": "Set to 'true' to expose Prometheus metrics at GET /metrics on the HTTP transport. Has no effect on the stdio transport.",
            "name": "MCP_METRICS"
          },
          {
            "description": "Additional allowed redirect URIs for hosted-proxy client registration: comma-separated exact URIs (which must include a host) and https prefix patterns ending in /*. Loopback, claude.ai, and verified first-party clients (ChatGPT, Cursor, VS Code) are always allowed; unset means no additional clients.",
            "name": "MCP_OAUTH_ALLOWED_REDIRECTS"
          },
          {
            "description": "Comma-separated additional client_id document hosts trusted for CIMD (bare host or host:port). Verified first-party hosts are always trusted.",
            "name": "MCP_OAUTH_CIMD_ALLOWED_HOSTS"
          },
          {
            "description": "Override the default OAuth credentials store path. Default: ~/.config/mediawiki-mcp/credentials.json on Linux/macOS, %APPDATA%\\mediawiki-mcp\\credentials.json on Windows.",
            "format": "filepath",
            "name": "MCP_OAUTH_CREDENTIALS_FILE"
          },
          {
            "description": "Set to '1' to skip launching a browser during the OAuth dance and log the auth URL to stderr instead. Useful in headless environments and CI.",
            "name": "MCP_OAUTH_NO_BROWSER"
          },
          {
            "description": "Path to the hosted OAuth proxy's encrypted state file, which lets sign-ins survive restarts. Default: proxy-store.enc under the mediawiki-mcp config dir; /app/data/proxy-store.enc in the Docker image.",
            "format": "filepath",
            "name": "MCP_OAUTH_PROXY_STORE_FILE"
          },
          {
            "description": "Override the request-derived public URL used in the protected-resource discovery doc and WWW-Authenticate header. Set this when running behind a proxy that rewrites the request Host.",
            "name": "MCP_PUBLIC_URL"
          },
          {
            "description": "Maximum milliseconds to wait for in-flight /mcp calls to drain on SIGTERM/SIGINT before exiting. Capped at 600000.",
            "format": "number",
            "default": "10000",
            "name": "MCP_SHUTDOWN_GRACE_MS"
          },
          {
            "description": "Type of MCP server transport",
            "default": "stdio",
            "choices": [
              "stdio",
              "http"
            ],
            "name": "MCP_TRANSPORT"
          },
          {
            "description": "Memory cap on the server-side fetch used by upload-file-from-url and update-file-from-url. Files larger than this are routed to the wiki's own copy-upload instead of being buffered by the server. Guards this server's memory, not the wiki's $wgMaxUploadSize.",
            "format": "number",
            "default": "104857600",
            "name": "MCP_UPLOAD_MAX_BYTES"
          },
          {
            "description": "Port used for StreamableHTTP transport",
            "format": "number",
            "default": "3000",
            "name": "PORT"
          }
        ]
      },
      {
        "registryType": "npm",
        "identifier": "@professional-wiki/mediawiki-mcp-server",
        "version": "0.17.0",
        "runtimeHint": "npx",
        "transport": {
          "type": "stdio"
        },
        "environmentVariables": [
          {
            "description": "Path to your configuration file",
            "format": "filepath",
            "default": "config.json",
            "name": "CONFIG"
          },
          {
            "description": "Set to 'true' to allow HTTP startup when config.json has static credentials. Otherwise the server refuses to start, preventing silent shared-identity fallback for unauthenticated requests.",
            "name": "MCP_ALLOW_STATIC_FALLBACK"
          },
          {
            "description": "Byte cap for the content bodies and result blocks tools return (wikitext, rendered HTML, diffs, statement and row listings). An oversized response is truncated with a trailing marker describing what was left out.",
            "format": "number",
            "default": "50000",
            "name": "MCP_CONTENT_MAX_BYTES"
          },
          {
            "description": "Hard cap on the base64-encoded size of a get-file-data response. A transport/safety backstop; callers tune actual size with the tool's width parameter. Over-cap responses error rather than truncate.",
            "format": "number",
            "default": "1000000",
            "name": "MCP_FILE_DATA_MAX_BYTES"
          },
          {
            "description": "Minimum severity for logger output (stderr telemetry and sendLoggingMessage broadcast). Invalid values fail loudly on first log call.",
            "default": "debug",
            "choices": [
              "debug",
              "info",
              "notice",
              "warning",
              "error",
              "critical",
              "alert",
              "emergency",
              "silent"
            ],
            "name": "MCP_LOG_LEVEL"
          },
          {
            "description": "Maximum HTTP request body size on the StreamableHTTP transport. Accepts size strings like 1mb or 512kb.",
            "default": "1mb",
            "name": "MCP_MAX_REQUEST_BODY"
          },
          {
            "description": "Set to 'true' to expose Prometheus metrics at GET /metrics on the HTTP transport. Has no effect on the stdio transport.",
            "name": "MCP_METRICS"
          },
          {
            "description": "Additional allowed redirect URIs for hosted-proxy client registration: comma-separated exact URIs (which must include a host) and https prefix patterns ending in /*. Loopback, claude.ai, and verified first-party clients (ChatGPT, Cursor, VS Code) are always allowed; unset means no additional clients.",
            "name": "MCP_OAUTH_ALLOWED_REDIRECTS"
          },
          {
            "description": "Comma-separated additional client_id document hosts trusted for CIMD (bare host or host:port). Verified first-party hosts are always trusted.",
            "name": "MCP_OAUTH_CIMD_ALLOWED_HOSTS"
          },
          {
            "description": "Override the default OAuth credentials store path. Default: ~/.config/mediawiki-mcp/credentials.json on Linux/macOS, %APPDATA%\\mediawiki-mcp\\credentials.json on Windows.",
            "format": "filepath",
            "name": "MCP_OAUTH_CREDENTIALS_FILE"
          },
          {
            "description": "Set to '1' to skip launching a browser during the OAuth dance and log the auth URL to stderr instead. Useful in headless environments and CI.",
            "name": "MCP_OAUTH_NO_BROWSER"
          },
          {
            "description": "Path to the hosted OAuth proxy's encrypted state file, which lets sign-ins survive restarts. Default: proxy-store.enc under the mediawiki-mcp config dir; /app/data/proxy-store.enc in the Docker image.",
            "format": "filepath",
            "name": "MCP_OAUTH_PROXY_STORE_FILE"
          },
          {
            "description": "Override the request-derived public URL used in the protected-resource discovery doc and WWW-Authenticate header. Set this when running behind a proxy that rewrites the request Host.",
            "name": "MCP_PUBLIC_URL"
          },
          {
            "description": "Maximum milliseconds to wait for in-flight /mcp calls to drain on SIGTERM/SIGINT before exiting. Capped at 600000.",
            "format": "number",
            "default": "10000",
            "name": "MCP_SHUTDOWN_GRACE_MS"
          },
          {
            "description": "Type of MCP server transport",
            "default": "stdio",
            "choices": [
              "stdio",
              "http"
            ],
            "name": "MCP_TRANSPORT"
          },
          {
            "description": "Memory cap on the server-side fetch used by upload-file-from-url and update-file-from-url. Files larger than this are routed to the wiki's own copy-upload instead of being buffered by the server. Guards this server's memory, not the wiki's $wgMaxUploadSize.",
            "format": "number",
            "default": "104857600",
            "name": "MCP_UPLOAD_MAX_BYTES"
          },
          {
            "description": "Port used for StreamableHTTP transport",
            "format": "number",
            "default": "3000",
            "name": "PORT"
          }
        ]
      }
    ]
  },
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "statusChangedAt": "2026-08-13T17:06:35.405607Z",
      "publishedAt": "2026-08-13T17:06:35.405607Z",
      "updatedAt": "2026-08-13T17:06:35.405607Z",
      "isLatest": true
    }
  }
}
```

The server is listed as "MediaWiki MCP Server".