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Batter

by · github.com/usepancake/batter

The backtesting engine for prediction markets. Every run ships a verifiable, reproducible receipt.

Unclaimed backtestingdeterministickalshimcpmodel-context-protocolpolymarketprediction-marketpythonquantreproducible-researchtrading
InstallView source
34Low

Scored a month ago · breakdown

About Batter

Batter is an MCP server published by usepancake in the Search category: the backtesting engine for prediction markets. Every run ships a verifiable, reproducible receipt.

Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/usepancake/batter

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

6 checks have not been run yet.

Releases

0.10.40.10.4 — spec-rejection + metric-overflow hardening (result_hash unchanged) · 14 Jun 2026Robustness release — **`result_hash` UNCHANGED**, `ENGINE_VERSION` stays 0.9.0 (every hash byte-identical for valid specs; the new paths only affect inputs that previously *raised*). Malformed conditions return a clean blocked verdict…
0.10.30.10.3 — verify CLI labels (additive, result_hash unchanged) · 12 Jun 2026`batter verify` version warning prefix-normalized (#46): bundles stamping the row format `batter@0.9.0` no longer false-warn against the bare self-report `0.9.0`; real identity mismatches still warn. verify JSON output (success +…
0.10.2batter 0.10.2 — sweep trial_stats · 11 Jun 2026Additive (ENGINE_VERSION stays 0.9.0; sweeps are not receipts — no hash impact). SensitivityResult.trial_stats {n_trials, sharpe_best, dsr_best, expected_max_sharpe} — multiple-testing honesty for the sweep surface. 840 tests, 6-OS matrix.
0.10.1batter 0.10.1 — live tick mode · 11 Jun 2026Additive (ENGINE_VERSION stays 0.9.0 — zero receipt impact). TickRequest.mode='live' (ADR-0050 L1 Path A): identical decision path to a single branch point at the fill boundary; emits target_positions {instrument_id, side, target_shares,…
0.10.0batter 0.10.0 — The Chain + The Ledger · 10 Jun 2026Additive release (ENGINE_VERSION stays 0.9.0 — zero receipt breaks). chain/1: hash-linked deployment records with exact P&L roll-forward verification + batter verify --chain; order-state machine modeling CTF V2 semantics (incl.…
Questions

About Batter

How do I install Batter?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Batter safe to use with an AI agent?

Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Batter still maintained?

Yes — the latest release is 0.10.4 (14 Jun 2026), and the last commit was 4 months ago. The repository has 0 stars.