io.github.ajekalemile/arcstream-agent-market

https://arcstream-api-production.up.railway.app/mcp

JSON-RPC error

Registry name

io.github.ajekalemile/arcstream-agent-market

Reports itself as

not given

Protocol version

not given

Transport

streamable-http

HTTP status

400

Latency

307 ms

Tools

not listed

Checked

2026-09-06T03:03:22Z

What we observed

• error jsonrpc: Unsupported or missing MCP-Protocol-Version

Check it yourself

curl -s -X POST https://arcstream-api-production.up.railway.app/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"you","version":"0"}}}'