{"uid":"cap_QUskRWekCZD9OjeIwtSGS","slug":"solana-signer-writable-account-analyzer-0a27407b","name":"Solana Signer & Writable Account Analyzer","description":"Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.","url":"https://signalharness.ai/api/agent/services/solana_signer_writable_analyze/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"request_json":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Loaded ALT accounts require explicit writable/read-only classification."],"service_id":"solana_signer_writable_analyze","analysis_json":"{\"accounts\":[{\"index\":0,\"is_signer\":true,\"is_writable\":true,\"pubkey\":\"11111111111111111111111111111111\"},{\"index\":1,\"is_signer\":false,\"is_writable\":false,\"pubkey\":\"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA\"}],\"readonly_count\":1,\"signer_count\":1,\"writable_count\":1}","evidence_scope":"caller_supplied_data","analyzed_network":"solana"},"status":"succeeded","receipt":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","usage":[],"status":"succeeded","network":"eip155:8453","artifacts":[],"endedAtMs":0,"latencyMs":0,"paymentId":"example-payment","receiptId":"example-receipt","requestId":"example-request","serviceId":"solana_signer_writable_analyze","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"41c19b8df4e0dbce500d172bc61d75a1eca9b753ed85e8823c0f1e50b91e616d","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ls2gqbLfDzeonQ8Ii7ReS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a Solana transaction or account list to classify each account as signer, writable, or read-only, with counts and warnings for edge cases like ALT-loaded accounts.","exampleAgentPrompt":"Analyze this Solana transaction JSON and tell me which accounts are signers, which are writable, and which are read-only, along with any warnings: {paste your transaction JSON here}.","exampleUseCases":[{"title":"Pre-submission transaction permission audit","prompt":"Before I submit this Solana transaction, analyze the accounts in this JSON and tell me which are marked as signers and which are writable — I want to make sure no unexpected accounts have write access."},{"title":"Debugging ALT-loaded account classification","prompt":"I'm getting errors with address lookup table accounts in my Solana transaction. Can you analyze this transaction JSON and flag any ALT-loaded accounts that are missing explicit writable or read-only classification?"},{"title":"Smart contract account role inspection","prompt":"I built a Solana program and want to verify the account roles being used. Here's the transaction JSON — classify each account as signer, writable, or read-only and give me the totals for each category."}],"resultDescription":"Returns a structured JSON analysis with a list of accounts (each with index, pubkey, is_signer, and is_writable flags), plus aggregate counts for signers, writable accounts, and read-only accounts, along with any warnings (e.g. ALT accounts needing explicit classification) and the analyzed network identifier.","failureModes":["Malformed or non-parseable request_json returns an error","Empty or too-short JSON input rejected by minLength constraint","Oversized payload rejected by maxLength 65536 limit","Ambiguous ALT account state triggers warnings rather than hard errors","Non-Solana transaction format may produce incorrect or empty classifications"],"whenToPreferThis":"Choose this endpoint when you need programmatic, per-account classification of Solana transaction accounts into signer/writable/read-only roles — especially useful before transaction submission, during smart contract auditing, or when debugging address lookup table (ALT) account issues. It is a lightweight, stateless analysis that does not broadcast or simulate the transaction.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T19:01:30.271Z","isFirstParty":false}