Cross-Rail Settlement Binder
Multi-rail settlement binder MCP. binder_verify proves integrity only — not settlement.
Should I use this
Quality & Safety
Findings (1)
- LOWTool 'binder_seal' description lacks action verbin binder_seal
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"crs-binder": {
"url": "https://crs-binder.fly.dev/mcp"
}
}
}Remote endpoints
https://crs-binder.fly.dev/mcpstreamable-httpWhat it can do
Tool inventory
Tools (4)
⚪health
Liveness, rails, pubkey, paid/listing flags.
Input Schema
{
"type": "object",
"properties": {},
"title": "healthArguments"
}Output Schema
{
"type": "object",
"additionalProperties": true,
"title": "healthDictOutput"
}⚪binder_append(task_id, leaf)
Append one settlement leaf (x402 | stripe_mpp | agentcore) under your task_id. Free.
Input Schema
{
"type": "object",
"properties": {
"task_id": {
"title": "Task Id",
"type": "string"
},
"leaf": {
"additionalProperties": true,
"title": "Leaf",
"type": "object"
}
},
"required": [
"task_id",
"leaf"
],
"title": "binder_appendArguments"
}Output Schema
{
"type": "object",
"additionalProperties": true,
"title": "binder_appendDictOutput"
}⚪binder_seal(task_id, x402_proof)
Seal ≥2 distinct rails under task_id into a portable Ed25519 binder (~$0.05 USDC on Base when paid).
Input Schema
{
"type": "object",
"properties": {
"task_id": {
"title": "Task Id",
"type": "string"
},
"x402_proof": {
"default": null,
"title": "X402 Proof"
}
},
"required": [
"task_id"
],
"title": "binder_sealArguments"
}Output Schema
{
"type": "object",
"additionalProperties": true,
"title": "binder_sealDictOutput"
}⚪binder_verify(binder)
Verify binder integrity (sig + ordered leaf hashes). Does not prove underlying settlement.
Input Schema
{
"type": "object",
"properties": {
"binder": {
"additionalProperties": true,
"title": "Binder",
"type": "object"
}
},
"required": [
"binder"
],
"title": "binder_verifyArguments"
}Output Schema
{
"type": "object",
"additionalProperties": true,
"title": "binder_verifyDictOutput"
}Community
Evidence