magent
Deterministic published-formula arithmetic plus ICD-10-CM, RxNorm, and LOINC. Pay in USDC on Base via x402.
The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"error": "PAYMENT-SIGNATURE header is required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"paymentFlow": "upfront",
"resourceUrl": "https://api.magentlab.com/api/calc/mipi",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
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{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
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"amount": "5000",
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"network": "eip155:8453",
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}
],
"resource": {
"url": "https://api.magentlab.com/api/calc/mipi",
"tags": [
"mipi",
"lymphoma",
"hematology",
"prognosis",
"calculator"
],
"mimeType": "application/json",
"description": "Hoster 2008 simplified MIPI for advanced-stage mantle cell lymphoma: age (<50 0, 50–59 1, 60–69 2, ≥70 3), ECOG (0–1 0, 2–4 2), LDH/ULN (<0.67 0, 0.67–<1 1, 1–<1.5 2, ≥1.5 3), WBC ×10^9/L (<6.7 0, 6.7–<10 1, 10–<15 2, ≥15 3); max 11. Low 0–3, intermediate 4–5, high 6–11. Deterministic published score with citation; not a lymphoma diagnosis; not continuous MIPI; not MIPI-c. magent does not assay LDH or WBC.",
"serviceName": "magent"
},
"extensions": {
"bazaar": {
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"method": "GET",
"queryParams": {
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"ecog": 0,
"wbc_ul": 5000,
"wbc_k_ul": 5,
"ldh_uln_ratio": 0.5
}
},
"output": {
"type": "json",
"example": {
"ecog": 0,
"score": 0,
"wbc_ul": 5000,
"formula": "mipi",
"citation": {
"id": "hoster-2008",
"doi": "10.1182/blood-2007-06-095331",
"pmid": "17934064",
"title": "A new prognostic index (MIPI) for patients with advanced-stage mantle cell lymphoma",
"source": "Blood. 2008;111(2):558-565",
"authors": "Hoster E, Dreyling M, Klapper W, et al."
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"age_years": 40,
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"components": [
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{
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{
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"factor": "ldh_uln_ratio",
"points": 0,
"present": false
},
{
"value": 5000,
"factor": "wbc",
"points": 0,
"present": false
}
],
"disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
"risk_group": "low",
"wbc_10e9_l": 5,
"ldh_uln_ratio": 0.5,
"formula_expression": "simplified MIPI = age (<50 0, 50–59 1, 60–69 2, ≥70 3) + ECOG (0–1 0, 2–4 2) + LDH/ULN (<0.67 0, 0.67–<1.0 1, 1.0–<1.5 2, ≥1.5 3) + WBC ×10^9/L (<6.7 0, 6.7–<10 1, 10–<15 2, ≥15 3); Hoster 2008; max 11; low 0-3, intermediate 4-5, high 6-11"
}
},
"iconUrl": "https://api.magentlab.com/favicon.ico"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
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"properties": {
"input": {
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"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"headers": {
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"additionalProperties": {
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}
},
"queryParams": {
"type": "object",
"required": [
"age",
"ecog",
"ldh_uln_ratio"
],
"properties": {
"age": {
"type": "integer",
"description": "Age in years (18-120). <50 scores 0; 50–59 scores 1; 60–69 scores 2; ≥70 scores 3 (Hoster 2008 simplified MIPI). 50 and 59 score 1; 60 and 69 score 2; 70 scores 3."
},
"ecog": {
"type": "integer",
"description": "ECOG performance status 0-4 as assigned by the caller (Hoster 2008 simplified MIPI). 0–1 scores 0; 2–4 scores 2. magent does not assign ECOG."
},
"wbc_ul": {
"type": "number",
"description": "WBC in cells/µL (same as cells/mm^3). Provide wbc_k_ul or wbc_ul, not both. Range 10-500000. Converted to ×10^9/L (= wbc_ul/1000): <6.7 scores 0; 6.7–<10 scores 1; 10–<15 scores 2; ≥15 scores 3 (6.7 scores 1; 9.999 scores 1; 10 scores 2; 14.999 scores 2; 15 scores 3)."
},
"wbc_k_ul": {
"type": "number",
"description": "WBC in 10^3/µL (same as 10^9/L). Provide wbc_k_ul or wbc_ul, not both. Range 0.01-500. Converted to ×10^9/L: <6.7 scores 0; 6.7–<10 scores 1; 10–<15 scores 2; ≥15 scores 3 (6.7 scores 1; 9.999 scores 1; 10 scores 2; 14.999 scores 2; 15 scores 3)."
},
"ldh_uln_ratio": {
"type": "number",
"description": "Serum LDH divided by the laboratory ULN (0.1-20). <0.67 scores 0; 0.67–<1.0 scores 1; 1.0–<1.5 scores 2; ≥1.5 scores 3 (0.67 scores 1; 0.99 scores 1; 1.0 scores 2; 1.49 scores 2; 1.5 scores 3). magent does not assay LDH."
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
},
"x402Version": 2
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
Pay 0.005 USDC on Base to 0x836B…19Ee2. The signed payment is good for 10 minutes.
- Paid to
- 0x836B…19Ee2
- USD Coin contract
- 0x8335…02913
- Payment window
- 10 minutes
- As published
- 5000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"paymentFlow": "upfront",
"resourceUrl": "https://api.magentlab.com/api/calc/mipi",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"items": [
{
"age": 40,
"ecog": 0,
"wbc_ul": 5000,
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{
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"ecog": 0,
"wbc_ul": 5000,
"wbc_k_ul": 5,
"ldh_uln_ratio": 0.5
}
]
},
"type": "http",
"method": "POST"
},
"output": {
"type": "json",
"example": {
"path": "/api/calc/mipi",
"count": 2,
"items": [
{
"ecog": 0,
"score": 0,
"wbc_ul": 5000,
"formula": "mipi",
"citation": {
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"doi": "10.1182/blood-2007-06-095331",
"pmid": "17934064",
"title": "A new prognostic index (MIPI) for patients with advanced-stage mantle cell lymphoma",
"source": "Blood. 2008;111(2):558-565",
"authors": "Hoster E, Dreyling M, Klapper W, et al."
},
"age_years": 40,
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"components": [
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{
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"factor": "ldh_uln_ratio",
"points": 0,
"present": false
},
{
"value": 5000,
"factor": "wbc",
"points": 0,
"present": false
}
],
"disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
"risk_group": "low",
"wbc_10e9_l": 5,
"ldh_uln_ratio": 0.5,
"formula_expression": "simplified MIPI = age (<50 0, 50–59 1, 60–69 2, ≥70 3) + ECOG (0–1 0, 2–4 2) + LDH/ULN (<0.67 0, 0.67–<1.0 1, 1.0–<1.5 2, ≥1.5 3) + WBC ×10^9/L (<6.7 0, 6.7–<10 1, 10–<15 2, ≥15 3); Hoster 2008; max 11; low 0-3, intermediate 4-5, high 6-11"
},
{
"ecog": 0,
"score": 0,
"wbc_ul": 5000,
"formula": "mipi",
"citation": {
"id": "hoster-2008",
"doi": "10.1182/blood-2007-06-095331",
"pmid": "17934064",
"title": "A new prognostic index (MIPI) for patients with advanced-stage mantle cell lymphoma",
"source": "Blood. 2008;111(2):558-565",
"authors": "Hoster E, Dreyling M, Klapper W, et al."
},
"age_years": 40,
"max_score": 11,
"components": [
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"points": 0,
"present": false
},
{
"value": 5000,
"factor": "wbc",
"points": 0,
"present": false
}
],
"disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
"risk_group": "low",
"wbc_10e9_l": 5,
"ldh_uln_ratio": 0.5,
"formula_expression": "simplified MIPI = age (<50 0, 50–59 1, 60–69 2, ≥70 3) + ECOG (0–1 0, 2–4 2) + LDH/ULN (<0.67 0, 0.67–<1.0 1, 1.0–<1.5 2, ≥1.5 3) + WBC ×10^9/L (<6.7 0, 6.7–<10 1, 10–<15 2, ≥15 3); Hoster 2008; max 11; low 0-3, intermediate 4-5, high 6-11"
}
]
}
},
"iconUrl": "https://api.magentlab.com/favicon.ico"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"body": {
"type": "object",
"required": [
"items"
],
"properties": {
"items": {
"type": "array",
"items": {
"type": "object",
"required": [
"age",
"ecog",
"ldh_uln_ratio"
],
"properties": {
"age": {
"type": "integer",
"description": "Age in years (18-120). <50 scores 0; 50–59 scores 1; 60–69 scores 2; ≥70 scores 3 (Hoster 2008 simplified MIPI). 50 and 59 score 1; 60 and 69 score 2; 70 scores 3."
},
"ecog": {
"type": "integer",
"description": "ECOG performance status 0-4 as assigned by the caller (Hoster 2008 simplified MIPI). 0–1 scores 0; 2–4 scores 2. magent does not assign ECOG."
},
"wbc_ul": {
"type": "number",
"description": "WBC in cells/µL (same as cells/mm^3). Provide wbc_k_ul or wbc_ul, not both. Range 10-500000. Converted to ×10^9/L (= wbc_ul/1000): <6.7 scores 0; 6.7–<10 scores 1; 10–<15 scores 2; ≥15 scores 3 (6.7 scores 1; 9.999 scores 1; 10 scores 2; 14.999 scores 2; 15 scores 3)."
},
"wbc_k_ul": {
"type": "number",
"description": "WBC in 10^3/µL (same as 10^9/L). Provide wbc_k_ul or wbc_ul, not both. Range 0.01-500. Converted to ×10^9/L: <6.7 scores 0; 6.7–<10 scores 1; 10–<15 scores 2; ≥15 scores 3 (6.7 scores 1; 9.999 scores 1; 10 scores 2; 14.999 scores 2; 15 scores 3)."
},
"ldh_uln_ratio": {
"type": "number",
"description": "Serum LDH divided by the laboratory ULN (0.1-20). <0.67 scores 0; 0.67–<1.0 scores 1; 1.0–<1.5 scores 2; ≥1.5 scores 3 (0.67 scores 1; 0.99 scores 1; 1.0 scores 2; 1.49 scores 2; 1.5 scores 3). magent does not assay LDH."
}
}
},
"maxItems": 25,
"minItems": 1
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"const": "POST"
},
"headers": {
"type": "object",
"additionalProperties": {
"type": "string"
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-08-31 13:40Z
- Last indexed by Roundhouse
- 2026-09-07 06:20Z
- Last enriched (probe, favicon, geo)
- 2026-09-11 08:45Z
- x402 version
- 2
- Max timeout
- 600s
- Liveness probe
- HTTP 0
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 14 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service magent and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=magent' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://api.magentlab.com/api/calc/mipi, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402, or use an organization key from https://roundhouseai.io/dashboard/team. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.