Warframe MCP Server

Warning: This project was 100% vibecoded and exists purely for my personal needs. Use at your own risk.

A Model Context Protocol (MCP) server that gives AI assistants real-time access to Warframe data. The production Cloudflare Worker exposes read-only Warframe Market search, current orders, closed-order statistics, and a local liquidity estimate, including OpenAI-compatible search and fetch tools. The legacy Node entrypoint retains 19 broader game-data tools.

Cloudflare Worker Tools

The wfm_* tools return short text plus structuredContent and the applied market filters. Search and top-orders results use retrieved_at; statistics and liquidity results use retrievedAt. The standard search and fetch tools return the OpenAI compatibility shape in structuredContent and duplicate the same object as JSON in text content.

Historical data comes from the deprecated and unsupported Warframe Market v1 statistics route. It is optional: liquidity still reports the current order snapshot when history is unavailable, but returns score=null, grade=unknown, and low confidence. reportedClosedVolume is Warframe Market's reported volume, not a complete or independently verified record of in-game trades.

Related MCP server: SteamDT MCP Server

Legacy Node Tools

Most lookup tools accept arrays (batch mode) to handle multiple items in a single call.

Quick Start

npm

git clone https://github.com/YOUR_USER/warframe-mcp.git
cd warframe-mcp
npm install
npm run build

Cloudflare Worker (target production runtime):

npm run dev
# Health: http://127.0.0.1:8787/healthz
# MCP:    http://127.0.0.1:8787/mcp

Stdio mode (for MCP clients like Claude Desktop, OpenCode, Cursor):

npm start

Legacy Node HTTP mode (Streamable HTTP transport for remote/web clients):

npm run start:http
# Listening on http://127.0.0.1:3000/mcp

Docker

docker build -t warframe-mcp .

# HTTP mode (default)
docker run -p 3000:3000 warframe-mcp

# Stdio mode
docker run -i warframe-mcp node dist/index.js

Configuration

The Cloudflare Worker requires no environment variables. Market tool arguments default to language=ru, platform=pc, and crossplay=true.

The Worker also requires no secrets, KV namespaces, D1 databases, Durable Objects, or service bindings. Its own source uses Worker Web APIs; nodejs_compat remains enabled because the official Cloudflare agents dependency imports Node compatibility modules and the bundle does not build without the flag.

The environment variables below apply only to the legacy Node HTTP entrypoint. None are required.

Example — LAN-accessible server:

HOST=0.0.0.0 PORT=3000 ALLOWED_HOSTS=192.168.1.100,mypc.local npm run start:http

Platform identifiers

Legacy tools accept the same canonical platform value regardless of the upstream they query. The MCP server normalizes the value internally, so callers never need to know that WarframeStatus uses xb1/swi while Warframe Market uses xbox/switch.

The following legacy aliases are accepted for backward compatibility and map to the canonical value:

mobile is only accepted by tools whose upstream exposes it (Warframe Market). Worldstate tools reject mobile with an error listing the accepted values. Unknown values are rejected by all tools; the error message enumerates the accepted canonical values and aliases.

Cloudflare Deployment

Check the bundle without publishing:

npm run deploy:dry

For the first deployment, authenticate Wrangler and publish:

npx wrangler login
npx wrangler whoami
npm run deploy

Wrangler prints the exact deployment URL. With the configured Worker name and a standard workers.dev subdomain, the endpoints have this form:

Health: https://warframe-mcp.<YOUR_WORKERS_SUBDOMAIN>.workers.dev/healthz
MCP:    https://warframe-mcp.<YOUR_WORKERS_SUBDOMAIN>.workers.dev/mcp

Replace the placeholder with the subdomain shown by Wrangler. A configured Cloudflare custom domain can be used instead.

Client Setup

ChatGPT

ChatGPT requires a reachable HTTPS remote MCP endpoint; it cannot connect directly to localhost. The current setup flow is documented in ChatGPT Developer mode:

1. In ChatGPT on the web, enable Developer mode under Settings → Security and login.

2. Open Settings → Plugins, select the plus button, and create a developer-mode app.

3. Set the server URL to https://warframe-mcp.<YOUR_WORKERS_SUBDOMAIN>.workers.dev/mcp.

4. Select No Authentication. The pilot exposes only public read-only data.

5. Refresh or scan the tools and confirm that wfm_search_items, wfm_get_top_orders, wfm_get_item_statistics, wfm_get_item_liquidity, search, and fetch are visible.

6. In a conversation, select Developer mode and enable the created app.

Use the ready-to-paste project guidance from docs/chatgpt-project-instructions.md so price questions always use current MCP data.

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "warframe": {
      "command": "node",
      "args": ["/absolute/path/to/warframe-mcp/dist/index.js"]
    }
  }
}

Claude Desktop (Docker)

{
  "mcpServers": {
    "warframe": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "warframe-mcp", "node", "dist/index.js"]
    }
  }
}

OpenCode

Add to opencode.json:

{
  "mcpServers": {
    "warframe": {
      "command": "node",
      "args": ["/absolute/path/to/warframe-mcp/dist/index.js"]
    }
  }
}

Cloudflare Worker clients (Streamable HTTP)

Run the Worker locally, then connect to http://127.0.0.1:8787/mcp:

npm run dev

# GET  /healthz — service health
# POST /mcp     — stateless MCP JSON-RPC requests

The Worker creates a fresh MCP server and transport for every request. It does not store HTTP sessions and requires no authentication.

Warframe Market access is coordinated per Worker isolate: at most three external requests start per second, transient failures are retried with Retry-After or bounded jittered backoff, and identical concurrent requests are deduplicated. The item catalog is cached for six hours, current full/top order snapshots for 20 seconds, and legacy statistics for five minutes.

Typical flow:

1. Call search with {"query":"Титания Прайм"}.

2. Pass the returned wfm:item:<slug> ID to fetch.

The direct market flow remains available through wfm_search_items followed by wfm_get_top_orders, wfm_get_item_statistics, or wfm_get_item_liquidity. Pass the exact rank, subtype, charges, amberStars, or cyanStars when the item has variants.

Legacy Node HTTP clients

Start the server in HTTP mode, then connect to http://localhost:3000/mcp:

npm run start:http

# POST /mcp — JSON-RPC requests (initialize, tools/list, tools/call)
# GET  /mcp — SSE stream for server-to-client notifications
# DELETE /mcp — Session termination

Sessions are managed via the Mcp-Session-Id header. Send an initialize request without a session ID to start a new session.

Smoke Test

For the production Worker surface, start Wrangler and connect an MCP client to http://127.0.0.1:8787/mcp:

npm run dev

Complete MCP initialize, then verify tools/list contains all six Worker tools. Exercise:

wfm_get_item_statistics {"slug":"arcane_energize","rank":0}
wfm_get_item_statistics {"slug":"arcane_energize","rank":5}
wfm_get_item_liquidity  {"slug":"arcane_energize","rank":0}
wfm_get_item_liquidity  {"slug":"arcane_energize","rank":5}

Confirm the ranks remain separate. Also check one non-ranked Prime component, one ranked mod, and one current catalog item with subtypes; subtype availability can change with the upstream catalog. Review warnings and timestamps in every statistics/liquidity result. These smoke calls use the public API; automated tests use only mocks and fixtures.

For the legacy Node entrypoint:

# Stdio — should return JSON with 19 tools
echo '{"jsonrpc":"2.0","method":"tools/list","id":1}' | node dist/index.js

# HTTP — initialize a session
curl -X POST http://localhost:3000/mcp \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -d '{"jsonrpc":"2.0","method":"initialize","params":{"protocolVersion":"2025-03-26","capabilities":{},"clientInfo":{"name":"test","version":"0.1"}},"id":1}'

System Prompt

SYSTEM_PROMPT.md contains a ready-to-use system prompt for an AI assistant that uses this MCP server. It includes tool documentation, a decision tree for tool selection, multi-tool chaining strategies, batching guidance, and Warframe domain knowledge (relics, rotations, trading, modding, Steel Path, open world cycles).

Architecture

worker/
├── index.ts              # Cloudflare Worker: /healthz + stateless /mcp tools
├── market-analytics.ts   # Pure statistics normalization and liquidity heuristic
├── openai-compat.ts      # Stable document IDs and OpenAI search/fetch documents
└── warframe-market.ts    # Worker-safe Market API client, reliability, and caches
wrangler.jsonc            # Worker entrypoint and compatibility settings
tsconfig.worker.json      # Worker-only TypeScript configuration
vitest.config.ts          # Tests executed in the Workers runtime

src/
├── index.ts              # Entry point — stdio or HTTP transport
├── api/
│   ├── warframestat.ts   # warframestat.us client (items, drops, worldstate)
│   ├── warframe-market.ts # warframe.market v2 client (prices, orders)
│   ├── overframe.ts      # Overframe.gg scraper (community builds)
│   └── wiki.ts           # Fandom wiki API client (crafting recipes)
├── tools/
│   ├── worldstate.ts     # world_state, baro_kiteer, active_fissures
│   ├── items.ts          # lookup_warframe, lookup_weapon, lookup_mod, lookup_item
│   ├── market.ts         # market_price_check
│   ├── drops.ts          # search_drops, relic_drops
│   ├── primeVault.ts     # prime_vault_status
│   ├── simaris.ts        # simaris_target
│   ├── enemy.ts          # find_enemy_spawn
│   ├── builds.ts         # lookup_builds
│   ├── crafting.ts       # crafting_requirements, crafting_usage
│   ├── farmOptimizer.ts  # farm_route_optimizer
│   ├── synergy.ts        # task_synergy_planner
│   └── colors.ts         # color_palette_finder
├── types/
│   ├── warframestat.ts   # warframestat.us API types
│   ├── warframe-market.ts # warframe.market v2 types
│   ├── overframe.ts      # Overframe build types
│   └── index.ts          # Re-exports
├── data/
│   ├── color-palettes.ts # 31 Warframe color palettes (2,790 colors)
│   └── planet-resources.ts # Planet resource drops, dark sector nodes & bonuses
└── utils/
    ├── cache.ts          # TTL cache (60s–24h depending on data type)
    ├── formatting.ts     # Number/time formatting helpers
    └── lua-parser.ts     # Lua table parser for wiki blueprint data

Data Sources

Caching

Pilot Limitations

• The production Worker exposes only wfm_search_items, wfm_get_top_orders, wfm_get_item_statistics, wfm_get_item_liquidity, search, and fetch.

• It is read-only: there is no Warframe Market login, private profile access, or order mutation.

• Prices and order counts are current snapshots, not guarantees of an executable trade. Historical volume is reported by a deprecated upstream route and the liquidity score is a deterministic local heuristic, not a profit or execution prediction.

• Cache, request limiting, and request deduplication are isolate-local and reset on a cold start.

• The public endpoint has no application authentication or per-user authorization.

• Availability depends on Cloudflare Workers and the public Warframe Market API; the pilot has no SLA.

• ChatGPT developer-mode availability and workspace permissions depend on the current ChatGPT plan and admin policy.

Development

npm run dev        # Run the Cloudflare Worker locally
npm run dev:stdio  # Watch-compile the legacy Node entrypoint
npm run typecheck  # Type-check without emitting dist
npm test           # Build and run automated tests
npm run build      # One-shot compile
npm run deploy:dry # Build the Worker deployment bundle without uploading
npm run deploy     # Publish through the authenticated Wrangler account
npm run check      # Type-check, test, and dry-run the Worker bundle
npm start          # Run stdio mode

Requirements

• Node.js >= 20.3 (required by Wrangler)

• TypeScript 5.x

• Worker runtime dependencies: @modelcontextprotocol/sdk, agents, and zod

• Express is used only by the legacy Node HTTP entrypoint and is not bundled into the Worker

License

MIT