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Compress Evaluate

by Maha Context Compiler in Search & web

x402 APIPassing, checked 4 h ago

Compile 1-8 documents into a token-budgeted context pack, then measure exact retention of 1-32 caller-labelled evidence spans. Returns the pack, source-linked passages, input and output hashes, original and compiled token estimates, tokensSaved, source coverage, and requiredEvidenceRetentionPercent. Retention is exact span matching only: not accuracy, answer quality, verification, or hallucination prevention. Extractive and budget-bound. Request content is not stored.

POST https://www.mahastrategies.com/api/v1/compress/evaluate

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
160 ms typical, 337 ms slowest 5%
Last check
4 h ago
Next check
any minute now

How to call it

POST https://www.mahastrategies.com/api/v1/compress/evaluate

Each call costs $0.01 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://www.mahastrategies.com/api/v1/compress/evaluate
content-type: application/json

{
  "budgetMode": "guaranteed",
  "clientRequestId": "req_rag_release_eval_001",
  "documents": [
    {
      "id": "release-notes",
      "text": "Release may proceed after the security owner attaches credential-rotation evidence. The production canary passed in every region.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.",
      "title": "Release notes"
    },
    {
      "id": "rollback-runbook",
      "text": "Rollback if API errors exceed 2 percent for five minutes or payment failures breach the alert threshold. Restore the last-known-good deployment before reopening traffic.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.",
      "title": "Rollback runbook"
    }
  ],
  "provenance": "compact",
  "requiredEvidence": [
    {
      "evidenceId": "release-gate",
      "sourceId": "release-notes",
      "text": "Release may proceed after the security owner attaches credential-rotation evidence."
    },
    {
      "evidenceId": "rollback-trigger",
      "sourceId": "rollback-runbook",
      "text": "Rollback if API errors exceed 2 percent for five minutes"
    },
    {
      "evidenceId": "handoff-note",
      "sourceId": "release-notes",
      "text": "regional handoffs, historical capacity, and documentation formatting"
    }
  ],
  "scoring": "bm25",
  "task": "Find the release condition and rollback trigger while removing duplicate operational background.",
  "tokenBudget": 128
}

Parameters

ParameterTypeRequiredDescription
budgetModestringNo One of: guaranteed, estimated.
clientRequestIdstringYes
documentsarrayYes
provenancestringNo One of: full, compact, none.
requiredEvidencearrayYes
scoringstringNo One of: bm25, keyword.
taskstringYes
tokenBudgetintegerYes

Example response

The provider's example. We can't check it without paying.

Example response, 109 lines
{
  "clientRequestId": "req_rag_release_eval_001",
  "compiledContextStored": false,
  "contextPack": {
    "clientRequestId": "req_rag_release_eval_001",
    "context": "# Context Pack\n\nTask: Find the release condition and rollback tr…",
    "includedPassages": [
      {
        "passageHash": "sha256:4d5e66efdcf5f8dba63a89b40af6ce17f3f42948c48b731732e47f5dc…",
        "passageId": "release-notes:1",
        "sourceId": "release-notes",
        "text": "Release may proceed after the security owner attaches credential…"
      }
    ],
    "inputHash": "sha256:288dd5cacd92158f9460346ba6e931f6d0d52f2598bd55e748fc30a18…",
    "metrics": {
      "compiledBytes": 461,
      "compiledEstimatedTokens": 83,
      "duplicatePassagesRemoved": 1,
      "estimatedReductionPercent": 14.4,
      "originalBytes": 606,
      "originalEstimatedTokens": 97,
      "sourceCount": 2,
      "sourceCoveragePercent": 100,
      "tokensSaved": 14
    },
    "outputHash": "sha256:80a337617475688482476a469f9fa7b489ef3e1ad15b4a9756fdc1aa7…",
    "packId": "ctxpack_d0dc187dd43a403d8aef472de5689408",
    "retentionBoundaries": {
      "claimVerificationPerformed": false,
      "completenessGuaranteed": false,
      "evidenceRetention": "best_effort",
      "hallucinationPreventionGuaranteed": false,
      "selectionType": "extractive",
      "tokenCountType": "model_neutral_estimate"
    },
    "sources": [
      {
        "includedEstimatedTokens": 21,
        "includedPassageIds": [
          "release-notes:1"
        ],
        "originalEstimatedTokens": 44,
        "passageCount": 2,
        "sourceHash": "sha256:288ded29ae161d3d11effd7161edf7c51ef1320e7ba0a8d2feaaed7ab…",
        "sourceId": "release-notes",
        "title": "Release notes"
      }
    ],
    "task": "Find the release condition and rollback trigger while removing d…",
    "tokenBudget": 128,
    "version": "0.1.0",
    "warningCodes": [
      "model_neutral_token_estimates",
      "extractive_selection_not_verification"
    ],
    "warnings": [
      "Token counts are model-neutral estimates, not provider tokenizer…"
    ]
  },
  "evaluationId": "ctxeval_4f1c8a2b6d5e47c0913a7e2f8b46d5c1",
  "evidence": [
    {
      "evidenceHash": "sha256:b14f15dd80d2aca98929dc3569304daf362ff8dd80549e17c4a85a55b…",
      "evidenceId": "release-gate",
      "sourceId": "release-notes",
      "status": "retained"
    }
  ],
  "inputHash": "sha256:98eae8dca77e0c300502f19226528ef22ee2cb8f05687c3513920f91f…",
  "metrics": {
    "compiledBytes": 461,
    "compiledEstimatedTokens": 83,
    "duplicatePassagesRemoved": 1,
    "estimatedReductionPercent": 14.4,
    "originalBytes": 606,
    "originalEstimatedTokens": 97,
    "requiredEvidenceCount": 3,
    "requiredEvidenceRetentionPercent": 66.7,
    "retainedEvidenceCount": 2,
    "sourceCount": 2,
    "sourceCoveragePercent": 100,
    "tokensSaved": 14
  },
  "offerId": "deep-context-evaluation",
  "outputHash": "sha256:133714e20e990c929f2fbe4693b719cfe19254a92afd0c46ed376cae4…",
  "requiredEvidenceTextStored": false,
  "retentionBoundaries": {
    "answerQualityAssessed": false,
    "claimVerificationPerformed": false,
    "completenessGuaranteed": false,
    "evidenceRetention": "best_effort",
    "evidenceRetentionMeasurement": "exact_span_match",
    "factualAccuracyAssessed": false,
    "hallucinationPreventionGuaranteed": false,
    "selectionType": "extractive",
    "tokenCountType": "model_neutral_estimate"
  },
  "sourceTextStored": false,
  "version": "0.1.0",
  "warningCodes": [
    "model_neutral_token_estimates",
    "extractive_selection_not_verification",
    "exact_span_retention_not_accuracy"
  ],
  "warnings": [
    "Token counts are model-neutral estimates, not provider tokenizer…"
  ]
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://www.mahastrategies.com/api/v1/compress/evaluate' \
  -H 'content-type: application/json' \
  --data-raw '{"budgetMode":"guaranteed","clientRequestId":"req_rag_release_eval_001","documents":[{"id":"release-notes","text":"Release may proceed after the security owner attaches credential-rotation evidence. The production canary passed in every region.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.","title":"Release notes"},{"id":"rollback-runbook","text":"Rollback if API errors exceed 2 percent for five minutes or payment failures breach the alert threshold. Restore the last-known-good deployment before reopening traffic.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.","title":"Rollback runbook"}],"provenance":"compact","requiredEvidence":[{"evidenceId":"release-gate","sourceId":"release-notes","text":"Release may proceed after the security owner attaches credential-rotation evidence."},{"evidenceId":"rollback-trigger","sourceId":"rollback-runbook","text":"Rollback if API errors exceed 2 percent for five minutes"},{"evidenceId":"handoff-note","sourceId":"release-notes","text":"regional handoffs, historical capacity, and documentation formatting"}],"scoring":"bm25","task":"Find the release condition and rollback trigger while removing duplicate operational background.","tokenBudget":128}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://www.mahastrategies.com/api/v1/compress/evaluate' \
  -H 'content-type: application/json' \
  --data-raw '{"budgetMode":"guaranteed","clientRequestId":"req_rag_release_eval_001","documents":[{"id":"release-notes","text":"Release may proceed after the security owner attaches credential-rotation evidence. The production canary passed in every region.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.","title":"Release notes"},{"id":"rollback-runbook","text":"Rollback if API errors exceed 2 percent for five minutes or payment failures breach the alert threshold. Restore the last-known-good deployment before reopening traffic.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.","title":"Rollback runbook"}],"provenance":"compact","requiredEvidence":[{"evidenceId":"release-gate","sourceId":"release-notes","text":"Release may proceed after the security owner attaches credential-rotation evidence."},{"evidenceId":"rollback-trigger","sourceId":"rollback-runbook","text":"Rollback if API errors exceed 2 percent for five minutes"},{"evidenceId":"handoff-note","sourceId":"release-notes","text":"regional handoffs, historical capacity, and documentation formatting"}],"scoring":"bm25","task":"Find the release condition and rollback trigger while removing duplicate operational background.","tokenBudget":128}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fcompress%2Fevaluate&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/compress/evaluate", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "budgetMode": "guaranteed",
    "clientRequestId": "req_rag_release_eval_001",
    "documents": [
      {
        "id": "release-notes",
        "text": "Release may proceed after the security owner attaches credential-rotation evidence. The production canary passed in every region.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.",
        "title": "Release notes"
      },
      {
        "id": "rollback-runbook",
        "text": "Rollback if API errors exceed 2 percent for five minutes or payment failures breach the alert threshold. Restore the last-known-good deployment before reopening traffic.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.",
        "title": "Rollback runbook"
      }
    ],
    "provenance": "compact",
    "requiredEvidence": [
      {
        "evidenceId": "release-gate",
        "sourceId": "release-notes",
        "text": "Release may proceed after the security owner attaches credential-rotation evidence."
      },
      {
        "evidenceId": "rollback-trigger",
        "sourceId": "rollback-runbook",
        "text": "Rollback if API errors exceed 2 percent for five minutes"
      },
      {
        "evidenceId": "handoff-note",
        "sourceId": "release-notes",
        "text": "regional handoffs, historical capacity, and documentation formatting"
      }
    ],
    "scoring": "bm25",
    "task": "Find the release condition and rollback trigger while removing duplicate operational background.",
    "tokenBudget": 128
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://www.mahastrategies.com/api/v1/compress/evaluate",
        json={
            "budgetMode": "guaranteed",
            "clientRequestId": "req_rag_release_eval_001",
            "documents": [
                {
                    "id": "release-notes",
                    "text": "Release may proceed after the security owner attaches credential-rotation evidence. The production canary passed in every region.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.",
                    "title": "Release notes",
                },
                {
                    "id": "rollback-runbook",
                    "text": "Rollback if API errors exceed 2 percent for five minutes or payment failures breach the alert threshold. Restore the last-known-good deployment before reopening traffic.\n\nRoutine notes cover staffing, dashboards, meeting cadence, maintenance calendars, regional handoffs, historical capacity, and documentation formatting.",
                    "title": "Rollback runbook",
                },
            ],
            "provenance": "compact",
            "requiredEvidence": [
                {
                    "evidenceId": "release-gate",
                    "sourceId": "release-notes",
                    "text": "Release may proceed after the security owner attaches credential-rotation evidence.",
                },
                {
                    "evidenceId": "rollback-trigger",
                    "sourceId": "rollback-runbook",
                    "text": "Rollback if API errors exceed 2 percent for five minutes",
                },
                {
                    "evidenceId": "handoff-note",
                    "sourceId": "release-notes",
                    "text": "regional handoffs, historical capacity, and documentation formatting",
                },
            ],
            "scoring": "bm25",
            "task": "Find the release condition and rollback trigger while removing duplicate operational background.",
            "tokenBudget": 128,
        },
    )
    print(res.status_code, res.text)

Security scan

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