wasm-mcp is answering right now. Last checked 11 min ago. 86 installs a week from npm. It exposes 9 tools. Last commit 14 Sep 2026.
Read-only MCP server for the WebAssembly spec: instructions, types, sections, search, proposals.
We read the source, 20 h ago · tools taken from the live server · rules 3dff92dd89df
Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.
- name: Merge the update unless it is a major bump
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
Today is the operative word: we check wasm-mcp every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.
claude mcp add wasm-mcp --transport http https://mcp.xyzzylabs.ai/wasm/mcp
{
"mcpServers": {
"wasm-mcp": {
"url": "https://mcp.xyzzylabs.ai/wasm/mcp"
}
}
}
[mcp_servers.wasm-mcp]
url = "https://mcp.xyzzylabs.ai/wasm/mcp"
{
"mcpServers": {
"wasm-mcp": {
"url": "https://mcp.xyzzylabs.ai/wasm/mcp"
}
}
}
{
"mcpServers": {
"wasm-mcp": {
"url": "https://mcp.xyzzylabs.ai/wasm/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
instruction_get
instruction_list
instruction_search
section_get
section_list
spec_search
spec_version
proposal_list
type_get
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://mcp.xyzzylabs.ai/wasm/mcp | streamable-http | answering | 163 ms | 11 min ago |
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Answers built from our own checks of this server.