An MCP server that enables Claude to analyze, modify, and optimize Path of Exile 2 builds using Path of Building's calculation engine.
Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.
Install from
M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
fast-xml-parser has an entity encoding bypass via regex injection in DOCTYPE entity names
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
fast-xml-parser affected by numeric entity expansion bypassing all entity expansion limits (incomplete fix for CVE-2026-26278)
fast-xml-parser affected by DoS through entity expansion in DOCTYPE (no expansion limit)
process.env. You'll be asked to provide them before it can run.JEST_WORKER_IDPOB_ARGSPOB_CMD— "": "/usr/local/bin/luajit",POB_DEBUGPOB_DIRECTORY— "": "/path/to/your/Path of Building/Builds"POB_FORK_PATH— "": "/path/to/PathOfBuilding/src",POB_LEGACY_GEM_TOOLS— false Expose the legacy PoE1 skill-gem tools (⚠️ PoE1 gem model; prefer the engine-backed gem tools)POB_LUA_ENABLED— "": "true",POB_TIMEOUT_MS— "": "10000"POE_CACHE_TTLPOE_NINJA_DISABLED— poe.ninja currency tools are ported to the PoE2 economy endpoint and on by default (=true to hide).POE_RATE_LIMIT_PER_SECONDPOE_SESSION_ID— Your POESESSID cookie — required for most Trade API calls (Cloudflare/auth)POE_TRADE_BASE— …/api/trade2 Override the trade API base path if GGG changes itPOE_TRADE_ENABLED— ## Trade API (Optional, =true)POE_TRADE_REALMPOE_TRADE_USER_AGENT— pob2-mcp-server/0.1 … Descriptive contactable User-Agent for trade requests[](https://m8ven.ai/mcp/zgrummons-pob2-mcp-14olr3)