Email preflight x402: $0.001 USDC on Base. MCP returns unpaid 402 only; no signing or payment.
Free account. Installing gives you the manifest plus copy-paste snippets.
See reviewsImported from the official MCP registry - entry
io.github.tasuyoapp-ctrl/email-preflightv0.2.0. Ratings and installs below are from this marketplace.
Email preflight x402: $0.001 USDC on Base. MCP returns unpaid 402 only; no signing or payment.
streamable-http https://email-preflight-mcp.onrender.com/mcpRegistry entry: io.github.tasuyoapp-ctrl/email-preflight
Copy one of these into your project. Installing also returns the manifest and these snippets.
# after Install: the listing is in your workspace's routing pool - nothing else to configure
curl -s -X POST https://api.opensmartroute.ai/api/v1/route -H 'Authorization: Bearer $OSR_API_KEY' -H 'Content-Type: application/json' -d '{"text": "...", "plan": true}'
# or pin it on the OpenAI-compatible endpoint: {"model": "mcp-io-github-tasuyoapp-ctrl-email-preflight", ...}Installed into a catalogue, chosen by a router
Photo: RDNE Stock project
An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.
{
"ocm": "1",
"id": "mcp-io-github-tasuyoapp-ctrl-email-preflight",
"kind": "tool",
"name": "Email Preflight",
"description": "Email preflight x402: $0.001 USDC on Base. MCP returns unpaid 402 only; no signing or payment.",
"publisher": "io.github.tasuyoapp-ctrl",
"version": "0.2.0",
"capabilities": {
"domains": [
"general"
],
"tags": [
"mcp",
"mcp-server",
"mcp-registry"
],
"languages": [
"en"
],
"supports_tools": true
},
"quality_prior": 0.6,
"examples": [
"Email preflight x402: $0.001 USDC on Base. MCP returns unpaid 402 only; no signing or payment."
],
"primary": false,
"metadata": {
"source": {
"provider": "mcp-registry",
"path": "server.json",
"ref": "0.2.0",
"url": "https://registry.modelcontextprotocol.io/v0/servers/io.github.tasuyoapp-ctrl%2Femail-preflight",
"key": "io.github.tasuyoapp-ctrl/email-preflight",
"registry": "https://registry.modelcontextprotocol.io"
}
},
"endpoints": [
{
"protocol": "mcp",
"url": "https://email-preflight-mcp.onrender.com/mcp"
}
]
}Fetch it by URL: GET /api/v1/registry/mcp-io-github-tasuyoapp-ctrl-email-preflight/manifest?version=0.2.0
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