Check declared MCP tool contracts before an upgrade
Check declared MCP tool contracts before an upgrade. Compare required names and exact input/output schema digests with a supplied server snapshot, protocol version and transport. No server contact, semantic schema-subtyping proof or official conformance certification.
15000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-13
updated
Provider
www.mahastrategies.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xec84c1cd6602bbe387bc8e6f0d3c062f2762de28",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "15000",
"maxTimeoutSeconds": 60
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"dataClass": "synthetic",
"offered": {
"protocolVersion": "2025-06-18",
"tools": [
{
"inputSchemaDigest": "sha256:1111111111111111111111111111111111111111111111111111111111111111",
"name": "synthetic-tool",
"outputSchemaDigest": "sha256:2222222222222222222222222222222222222222222222222222222222222222"
}
],
"transport": "stdio"
},
"required": {
"protocolVersion": "2025-06-18",
"tools": [
{
"inputSchemaDigest": "sha256:1111111111111111111111111111111111111111111111111111111111111111",
"name": "synthetic-tool",
"outputSchemaDigest": "sha256:2222222222222222222222222222222222222222222222222222222222222222"
}
],
"transport": "stdio"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"amountBaseUnits": "15000",
"boundaries": [
"Public or synthetic inputs only. Caller labels are declarations,…"
],
"inputDigest": "sha256:62ba542a540b2a83661913e97fc2e8284f205d8b66c5061e378412114…",
"offerId": "mcp-contract-compatibility",
"receiptDigest": "sha256:51539eec28d290dde605fc356a75d2bf2acba2948858abce332d11d0d…",
"result": {
"comparison": "exact-schema-digests; no semantic subtyping",
"issues": [],
"officialConformanceClaimed": false,
"serverContacted": false,
"state": "exact-declarations-compatible"
},
"version": "maha-microproducts/0.1"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"dataClass": {
"enum": [
"public",
"synthetic"
],
"type": "string"
},
"offered": {
"type": "object"
},
"required": {
"type": "object"
}
},
"required": [
"dataClass",
"required",
"offered"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"amountBaseUnits": {
"enum": [
"15000"
],
"type": "string"
},
"boundaries": {
"maxItems": 128,
"minItems": 0,
"type": "array"
},
"inputDigest": {
"maxLength": 71,
"type": "string"
},
"offerId": {
"enum": [
"mcp-contract-compatibility"
],
"type": "string"
},
"receiptDigest": {
"maxLength": 71,
"type": "string"
},
"result": {
"type": "object"
},
"version": {
"enum": [
"maha-microproducts/0.1"
],
"type": "string"
}
},
"required": [
"version",
"offerId",
"amountBaseUnits",
"inputDigest",
"result",
"boundaries",
"receiptDigest"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"declaration-integrity": {
"canonicalResource": "https://www.mahastrategies.com/api/v1/micro/mcp-contract-compatibility",
"declarationDigest": "sha256:19241f29b9083b37524feed27b902532b0e22dcafa9ed0d3f7b309863ab81fd1",
"metadataVersion": "2026-08-10"
},
"maha-offer": {
"amount": "15000",
"asset": "USDC",
"assetDecimals": 6,
"canonicalResource": "https://www.mahastrategies.com/api/v1/micro/mcp-contract-compatibility",
"declarationInline": "compact",
"declarationUrl": "https://www.mahastrategies.com/api/discovery/x402-offers/mcp-contract-compatibility",
"fullSourceTextStored": false,
"maxRequestBytes": 32768,
"method": "POST",
"network": "eip155:8453",
"offerId": "mcp-contract-compatibility",
"payableInProduction": true,
"status": "available",
"verbatimExcerptsRetained": false
}
}Use it
curl
curl "https://www.mahastrategies.com/api/v1/micro/mcp-contract-compatibility" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://www.mahastrategies.com/api/v1/micro/mcp-contract-compatibility");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://www.mahastrategies.com/api/v1/micro/mcp-contract-compatibility")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/1438.json, and this resource appears in /discovery/resources and /discovery/search.