← The evidence ledger
Evidence row 2941
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:modell-halowerk-com
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ff05e91db3bc9bd5545e1c5accb0fb6063a79daecfb58de96d8a1cd53c4749b8
- Leaf
- 0x6eab63d9641693814b5e11b052d34f5c9f2a4dd7ebbb4487eb2636112fa21730
What was observed
{
"endpoints": [
[
"x402",
"https://modell.halowerk.com/v1/context-plan"
],
[
"x402",
"https://modell.halowerk.com/v1/cost-estimate"
],
[
"x402",
"https://modell.halowerk.com/v1/drift-check"
],
[
"x402",
"https://modell.halowerk.com/v1/llm-catalog"
],
[
"x402",
"https://modell.halowerk.com/v1/llm-catalog-diff"
],
[
"x402",
"https://modell.halowerk.com/v1/model-router"
],
[
"x402",
"https://modell.halowerk.com/v1/openapi-to-mcp"
],
[
"x402",
"https://modell.halowerk.com/v1/openapi-validate"
],
[
"x402",
"https://modell.halowerk.com/v1/output-validate"
],
[
"x402",
"https://modell.halowerk.com/v1/tool-arg-validate"
],
[
"x402",
"https://modell.halowerk.com/v1/tool-compat"
],
[
"x402",
"https://modell.halowerk.com/v1/trace-grade"
]
],
"name": "modell.halowerk.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "modell.halowerk.com",
"endpoints": [
{
"description": "Plans the division of a long input for a given model. It reserves room for the system prompt, the expected answer and a safety margin, then works out how many chunks are needed and where to cut, preferring paragraph boundaries over line and sentence boundaries and never cutting inside a word. Optional overlap carries context across the seams.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "beispiel",
"group": "body",
"name": "model",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "Beispieltext.",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/context-plan"
},
{
"description": "Works out what a call would cost. Give either the text itself or a token count, plus the expected output length, and get input, output, cache-read and cache-write cost per model with the total. Token counts derived from text are estimates from character and word statistics, not a tokeniser, and typically land within about 15 percent — where an exact count matters, count with the vendor tokeniser.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 0,
"group": "body",
"name": "input_tokens",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "Beispieltext.",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/cost-estimate"
},
{
"description": "Compares two submitted sample sets feature by feature and returns deterministic drift metrics. Continuous features are binned on the combined value range and receive PSI, Jensen-Shannon divergence and a Kolmogorov-Smirnov statistic; categorical features receive PSI and Jensen-Shannon divergence over exact category labels. The response names every feature, its sample counts, the metric values, the threshold used, and the reason a feature was flagged.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 5,
"group": "body",
"name": "bins",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "current_samples",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "feature_types",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "reference_samples",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 0.2,
"group": "body",
"name": "threshold",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.003",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/drift-check"
},
{
"description": "A comparison table of language models: input, output and cache prices per million tokens, context window, maximum output length, batch discount and a short note on what each is suited to. Filter by vendor, by a maximum price, by the context window you need, or by capability tag. Every row carries the date its prices were last checked, so a stale figure is visible rather than silently wrong.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 0,
"group": "body",
"name": "max_input_price",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "beispiel",
"group": "body",
"name": "vendor",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/llm-catalog"
},
{
"description": "Use this when an agent has an older and a newer LLM catalog snapshot and needs a deterministic migration diff before changing routing or budgets. Rows are matched by vendor plus model, id or name. The result separates added, removed and changed models and reports field-level differences for input, output and cached-input price, context window and maximum output tokens.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "after",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "before",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/llm-catalog-diff"
},
{
"description": "Scores every catalogue model against one task and returns a ranked shortlist. You state the task kind, optionally a per-call budget in USD, how much speed matters, the input size and any vendor restriction; the answer names a model, the estimated cost per call, and the sub-scores it was chosen on, so the ranking can be checked rather than trusted. Models that cannot hold the input are excluded and listed separately with the reason. Weights are yours to set and are echoed back.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "classification",
"group": "body",
"name": "task",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/model-router"
},
{
"description": "Converts each OpenAPI operation into an MCP tool. Path, query and header parameters and the JSON request body are merged into one input schema, because MCP tools take exactly one; a name collision between a body field and a parameter is reported rather than silently overwritten. Internal $refs are expanded inline so each tool schema stands alone — an MCP client cannot resolve them.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/openapi-to-mcp"
},
{
"description": "Reads an OpenAPI 3.x document and reports what would stop a machine consumer. Errors: missing openapi, info or paths; a path that declares no method; an internal $ref that resolves to nothing; a parameter without a name, location or schema; a request body without content.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/openapi-validate"
},
{
"description": "Validates output against a JSON Schema and reports each violation with its JSON path, the rule it broke and a sentence saying what to change. Accepts either a parsed object or the raw string a model returned: a payload wrapped in a code fence or surrounded by prose is unwrapped, and the wrapping is reported separately from schema errors so you fix the right layer. Draft 2020-12 and draft-07 are both supported, along with the common string formats.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/output-validate"
},
{
"description": "Two checks in one. First the arguments are validated against the tool input schema and every violation is reported with its path and a sentence saying what to change. Second, values that satisfy the schema but look wrong are flagged: an unset required field filled with a placeholder like \"string\" or \"TODO\", a number at a suspicious order of magnitude, an address that fails its checksum shape, a destructive flag set to true, an empty string where content was expected.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/tool-arg-validate"
},
{
"description": "Compares a producer output schema against a consumer input schema and reports whether the two can be chained. Every required field of the consumer is looked for in the producer: exact name matches first, then well-known synonyms (url/uri/link, id/key/ref, created_at/timestamp and so on), which are reported as renames needing a mapping rather than as clean matches.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/tool-compat"
},
{
"description": "Takes the steps of one agent run and returns a scored report. It counts identical tool calls (same tool, same arguments) as loops, finds the longest run of consecutive failures, marks calls whose result was empty or null as wasted, and attributes cost per step and per tool so the expensive part is visible. Cost is taken from your figures when supplied, otherwise computed from token counts against the model price table.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "steps",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://modell.halowerk.com/v1/trace-grade"
}
],
"enriched": false,
"iconUrl": "",
"id": "modell-halowerk-com",
"integrationType": "",
"isNew": false,
"name": "modell.halowerk.com",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.002583",
"currency": "USDC",
"maxAmount": "0.005",
"minAmount": "0.002"
},
"provider": "modell.halowerk.com",
"providerUrl": "",
"serviceName": "",
"tags": []
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"ff05e91db3bc9bd5545e1c5accb0fb6063a79daecfb58de96d8a1cd53c4749b8","id":2941,"kind":"listing","method":"baseline/1","observed_us":1793025268772976,"prev":null,"subject":"agentic_market:modell-halowerk-com","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x6eab5489f8dd507b756ae3b78580e0b0b49906c23fbfd54d4529ac9c23dc7f30
- 0x8008fa30d6e39964d56f8efc3b2e9fb0f89849f2d551ec56ab88f8f9b9c68a65
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- 0x085180d34f2083d3618300f006035173ba3a6d8157e4b65b1daa535abfece234
- 0x5e49ce436d5d966d269fc88961e1fecd9eb2d6dc68e94a2dfc569683a9fa819a
- 0xd92cbd9ac3a2598181c68e1c9248428c6e427656c7d3c33f987bfba3a9afda28
- 0xf6ec0b5fa59183706e6765be9acd4d650b972e5b7792d2a7e60b9b8bbe98c382
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- 0x66d21c62655848e1960e65dfd59fdcf623cca278f030adf0362249e20cd966ca
- 0xcea975b85294606fde77157e415805eb2b2339729d4782f73ff75ac4682fef10
- 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
- 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
- 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae