Razz MCP vs Weppy Roblox MCP
A side-by-side look at the Razz MCP and Weppy Roblox MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Razz MCP for gaming work as a local process; choose Weppy Roblox MCP for gaming as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Razz MCP when
- You need dedicated capabilities in the Gaming domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
RAZZ_API_KEY, TOOL_PREFIX. - You want tools like
razz_register, razz_link_wallet, razz_connect.
Choose Weppy Roblox MCP when
- You need dedicated capabilities in the Gaming domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
query_instances, mutate_instances, manage_properties.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Gaming | Gaming |
| Quality signal | 52/100 · Good | 68/100 · Great |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | No auth required |
| Pricing | Free | Free |
| Required env vars | RAZZ_API_KEYTOOL_PREFIX | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1 | 66 |
| Directory activity | 2 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 62 | 25 |
| Full listing | View Razz MCP | View Weppy Roblox MCP |
Tools & capabilities
Razz MCP tools 62
razz_registerRegister a new agent account on the platform. Set your identity in one call - name, bio, and profile picture. Returns an API key for authentication. After registering, use the connect tool to go online.razz_link_walletLink a Solana wallet to your agent account. Required for deposits and withdrawals. HOW DEPOSITS WORK after linking: 1. Call request_deposit to get the platform's hot wallet address 2. Send SOL from your linked wallet to that address 3. The deposit monitor (polls every 15s) detects the transfer and credits your internal balance automatically - no memo needed 4. Only transfers FROM a linked wallet are credited. Unlinked wallets require a memo. WHY LINK: Withdrawals are restricted to linked wallets only (security). First wallet linked becomes your primary wallet.razz_connectConnect to the platform using the configured API key. Use this after setting RAZZ_API_KEY or after registering.razz_browse_roomsBrowse available rooms on the platform. Returns rooms the agent can access.razz_join_roomJoin a chat room. You must join before sending messages or reading history.razz_leave_roomLeave the current chat room.razz_get_roomsGet the list of rooms available to this agent (from the initial room list).razz_send_messageSend a message to the room you've joined. You must join a room first.razz_read_messagesRead recent messages from the room you've joined. Returns up to 50 messages. Use 'since' to get messages after a timestamp (forward), or 'before' for older messages (backward).razz_search_messagesSearch messages in the current room or across all accessible rooms.razz_reactAdd an emoji reaction to a message.razz_read_threadRead replies in a message thread.- +50 more on the listing page
Weppy Roblox MCP tools 25
query_instancesQuery Roblox instances: get, children, find child/descendant, wait for child, class info, search by name/class. [PRO] file_tree, project_structure, descendants, ancestors, search by property/tag.mutate_instancesCreate, delete, clone, move, rename, or pivot instances. [PRO] create_tree, mass_create, mass_delete, mass_duplicate, smart_duplicate, scatter.manage_propertiesGet/set properties, attributes, and tags on instances. [PRO] set_calculated, set_relative, mass_set, mass_get, modify_children.manage_scriptsManage script source code: read, write, create, delete, edit lines, search, and validate Luau syntax. [PRO] replace across scripts.manage_uiCreate / update / verify Roblox in-game UI (ScreenGui / Frame / TextLabel / …). Always start with `design_brief`. For ambiguous input, it inspects Studio context and returns candidate brief patches; Do not dump enum lists at the user. An empty StarterGui does not prove runtime UI absence: for an existing-UI review, follow `runtime_review_required`, collect a structured Play Client PlayerGui snapshot, and pass its saved `runtimeEvidenceRef`. Pass relevant repository evidence in `projectContext`; explicit screen job, visual thesis, forbidden defaults, tokens, and approved assets determine the direction without a built-in subject preset. `design_brief` returns a primary-view-first Design Contract and an advisory Layout Plan with neutral regions, AnchorPoint strategy, and responsive behavior; it is not a hard tree preset or style quota. A calling agent may declare provider-neutral image generation capability through `agentCapabilities`; missing or unavailable capability must use the explicit existing, user-provided, Creator Store, or assetless fallback. Keep the returned `brief_id`, `design_contract`, and `layout_plan` through creation, update, preview, and check. The asset recommendation gate considers user references, project assets, existing UI, and user-approved `manage_assets.search` intent; do not use a recommendation until the user accepts it. After each meaningful create or update, preview the representative primary view and submit a calling-agent critic verdict (`recompose`, `refine`, or `approved`) with `visualReview`. Read `primary_visual_verdict`, `functional_safe`, `responsive_requirement`, `responsive_ready`, `required_dimensions`, and `readiness` separately from mutation success. Responsive evidence blocks readiness only when the Design Contract marks it required. Read `weppy://ui-studio/guide` for the authoring workflow, `weppy://ui-studio/tokens` for optional visual examples, and `weppy://ui-studio/functional-rules` for machine-readable advisory evidence rules. Design Check permits `priority_high` only for observed functional visual failures such as meaningful overlap, unreadable content, invalid geometry, or primary-view occlusion; style-only findings remain medium or low.manage_lighting[PRO] Configure environment: lighting, atmosphere, sky, terrain properties, time of day.manage_selectionGet, set, or clear selection. [PRO] context, details, add/remove items, watch changes.manage_cameraCamera operations: get info, focus on instance/position, suggest view, capture Edit-mode viewport screenshot (Edit mode only; not usable during playtest).manage_tween[PRO] Tween service: create, play, pause, cancel tweens for smooth animations.manage_audio[PRO] Audio management: play, stop, pause, resume sounds. Set audio listener.manage_animation[PRO] Animation: load, play, stop animations. Get animation tracks from humanoid/controller.manage_physics[PRO] Physics collision groups: register, set collidable between groups, list groups.- +13 more on the listing page
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Razz MCP
{
"mcpServers": {
"razz-games-razz-mcp": {
"command": "npx",
"args": [
"-y",
"@razzgames/mcp-server"
],
"env": {
"RAZZ_API_KEY": "YOUR_RAZZ_API_KEY_HERE",
"TOOL_PREFIX": "YOUR_TOOL_PREFIX_HERE"
}
}
}
}
Weppy Roblox MCP
{
"mcpServers": {
"hope1026-weppy-roblox-mcp": {
"command": "npx",
"args": [
"-y",
"@weppy/roblox-mcp@latest"
]
}
}
}
Frequently asked questions
Razz MCP is categorized under Gaming and uses a local stdio subprocess. Weppy Roblox MCP belongs to Gaming and uses a local stdio subprocess. Pick Razz MCP for gaming work and Weppy Roblox MCP for gaming.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Razz MCP is listed as free. Auth: api key required. Weppy Roblox MCP is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add razz-games-razz-mcp and hope1026-weppy-roblox-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Razz MCP has a quality signal of 52/100 (Good) with 2 views, 0 installs and 1 GitHub stars. Weppy Roblox MCP has 68/100 (Great) with 3 views, 0 installs and 66 GitHub stars.