Cross-Rail Settlement Binder

io.github.arnopiva/crs-binderVersion 0.1.1

Multi-rail settlement binder MCP. binder_verify proves integrity only — not settlement.

Status

Responds140 msNov 14, 2026, 14:45 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://crs-binder.fly.dev/mcpResponds140 msNov 14, 2026, 14:45 UTC

No sign-in

claude mcp add --transport http crs-binder https://crs-binder.fly.dev/mcp

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Settings > Connectors > Add custom connector
Name: crs-binder
Remote MCP server URL: https://crs-binder.fly.dev/mcp

{
  "mcpServers": {
    "crs-binder": {
      "url": "https://crs-binder.fly.dev/mcp"
    }
  }
}

code --add-mcp '{"name":"crs-binder","type":"http","url":"https://crs-binder.fly.dev/mcp"}'

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4 tools

Tools of Cross-Rail Settlement Binder
	Description		Read-only	Idempotent	Open world
`binder_append`Append one settlement leaf (x402 \| stripe_mpp \| agentcore) under your task_id. Free.	Append one settlement leaf (x402 \| stripe_mpp \| agentcore) under your task_id. Free.	Not declared	Not declared	Not declared	Not declared
`binder_seal`Seal ≥2 distinct rails under task_id into a portable Ed25519 binder (~$0.05 USDC on Base when paid).	Seal ≥2 distinct rails under task_id into a portable Ed25519 binder (~$0.05 USDC on Base when paid).	Not declared	Not declared	Not declared	Not declared
`binder_verify`Verify binder integrity (sig + ordered leaf hashes). Does not prove underlying settlement.	Verify binder integrity (sig + ordered leaf hashes). Does not prove underlying settlement.	Not declared	Not declared	Not declared	Not declared
`health`Liveness, rails, pubkey, paid/listing flags.	Liveness, rails, pubkey, paid/listing flags.	Not declared	Not declared	Not declared	Not declared