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Apex runs the tool-runner service function directly with the manifest sample input; this does not call the public wrapper route, consume rate limit, issue a receipt, or record telemetry.","derived_from":{"next_action":"read_failure_ledger_first","callable_interface":"http | ts_port","wrapper_url":"/v1/tools/backtrader-engine/run","io_contract":"POST /v1/tools/backtrader-engine/run with {initial_cash:number,bars:[{dt,open,high,low,close,volume?}],strategy:{entry,sizing?,stop_loss?,take_profit?},costs?}; returns trades, equity_curve, stats, and conventions. No live broker adapters.","capabilities":["backtest.event-driven","strategy.lifecycle","backtest.single-asset","portfolio.equity-curve","statistics.pure-function"]},"execution_boundary":{"server_side_execution":true,"method":"tool-runner-direct","telemetry_recorded":false,"rate_limit_consumed":false,"receipt_issued":false,"public_wrapper_route_called":false},"honesty":{"allowed_labels":["WORKED EXAMPLE","LIVE SNAPSHOT","REFERENCE not-executed"],"no_fake_live":true,"no_raw_source":true},"tool_id":"backtrader-engine","mcp_tool":"apex_run_backtrader_engine","sample_input":{"initial_cash":10000,"bars":[{"dt":"2026-01-01","open":100,"high":102,"low":99,"close":101,"volume":1000},{"dt":"2026-01-02","open":101,"high":103,"low":100,"close":102,"volume":1100},{"dt":"2026-01-03","open":102,"high":106,"low":101,"close":105,"volume":1200}],"strategy":{"entry":{"type":"price_threshold","op":">","threshold":100},"sizing":{"type":"fixed_fraction_sizing","fraction":0.5}},"costs":{"commission":0,"slippage":0}},"output":{"schema":"apex-tool-result/1","tool_id":"backtrader-engine","safety":{"data_only":true,"read_only":true,"no_order_execution":true,"no_private_balance":true,"no_source_release":true},"result":{"schema":"apex-backtrader-engine/1","source":"TS reimplementation of OSS backtrader 1.9.78.123","upstream":{"name":"backtrader","version":"1.9.78.123","license":"GPL-3.0"},"license":"GPL-3.0","output":{"trades":[],"equity_curve":[{"bar":0,"dt":"2026-01-01","equity":10000},{"bar":1,"dt":"2026-01-02","equity":10049},{"bar":2,"dt":"2026-01-03","equity":10196}],"stats":{"total_return":0.019600000000000062,"max_drawdown":0,"sharpe":22.532650496151774,"win_rate":0,"trade_count":0}},"conventions":{"data_only":true,"read_only":true,"no_network":true,"no_filesystem":true,"no_secret_access":true,"no_broker_adapters":true,"no_order_execution":true,"vector_count":16,"worked_example":true}}},"repeatability":"deterministic_sample_same_input_same_output","run_hint":{"curl":"curl -sS -X POST 'https://api.smartapex.uk/v1/tools/backtrader-engine/run' -H 'Content-Type: application/json' -d '{\"initial_cash\":10000,\"bars\":[{\"dt\":\"2026-01-01\",\"open\":100,\"high\":102,\"low\":99,\"close\":101,\"volume\":1000},{\"dt\":\"2026-01-02\",\"open\":101,\"high\":103,\"low\":100,\"close\":102,\"volume\":1100},{\"dt\":\"2026-01-03\",\"open\":102,\"high\":106,\"low\":101,\"close\":105,\"volume\":1200}],\"strategy\":{\"entry\":{\"type\":\"price_threshold\",\"op\":\">\",\"threshold\":100},\"sizing\":{\"type\":\"fixed_fraction_sizing\",\"fraction\":0.5}},\"costs\":{\"commission\":0,\"slippage\":0}}'","mcp_tool":"apex_run_backtrader_engine","review_after_real_run":"A real wrapper or MCP run returns verification_receipt.receipt_id; submit apex-usage-review/1 to /v1/cards/card_backtrader_engine/reviews if useful. This preview issues no receipt."}},"verification_report":{"report_id":"vr_backtrader_engine","card_id":"card_backtrader_engine","verified_against":"backtrader-1.9.78.123-ts-port-2026-07-05","tier":"sandboxed","checked":["gpl-3.0-upstream-license-pointer","python-backtrader-1.9.78.123-vector-equivalence","original-source-equivalence","wrapper-dry-run","no-network-egress","no-broker-adapters","no-order-execution-check","no-wallet-or-account-access","input-output-contract"],"not_checked":["full-backtrader-api-surface","live-broker-integration","multi-asset-broker-parity","third-party-peer-review","financial-advice-suitability"],"findings":[{"severity":"info","check":"repository-metadata","detail":"Seed card was curated from public repository metadata and documentation surfaces."},{"severity":"info","check":"policy-keyword-scan","detail":"No obvious adult, phishing, malware, credential-theft, or propagation instructions were included in the card metadata."},{"severity":"warn","check":"sandbox-exec","detail":"Apex has not executed this component in a sandbox yet; keep trust tier conservative until a signed verifier adds evidence."}],"sandbox":{"network":"blocked","cpu_ms":0,"result":"completed"},"verifier":"apex-seed-curator","verifier_signature":null,"verified_at":"2026-07-19T14:23:37.000Z"}}