Read Lighter perpetual markets and place guarded orders, including the H100 compute-price market.
The current version, v0.1.1, was published to the official MCP registry on 2026-08-26. It is distributed as lighter-mcp on npm, filed under Other by this index, and declares 7 environment variables. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; the index's current counts put this record in context.
Using io.github.winter0x/lighter-mcp in Claude, Cursor, Gemini CLI, Cline, or Zed? #
MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).
Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less
uv tool install mcpindex-gate && mcpindex-config-wire
Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.
Own this server? Screen its description →
That verdict was true at screening time (snapshot 2026-08-26). #
Contracts can change after screening, with no version bump. The gate pins io.github.winter0x/lighter-mcp’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.
See your first HOLD in 2 minutes →
Related: how to trust an MCP server · screen before install · silent contract drift
LIGHTER_NETWORK
Deployment to read: mainnet, testnet, or robinhood. Defaults to mainnet.
LIGHTER_ACCOUNT_INDEX
Sub-account the agent trades from. Read-only tools work without it.
LIGHTER_API_KEY_INDEX
API key slot bound to the sub-account, 0 to 254.
LIGHTER_API_KEY_PRIVATE_KEY
API key private key. Full write authority over the account it is bound to, so use a dedicated sub-account.
LIGHTER_MAX_NOTIONAL_USD
Per-order notional ceiling in USD. Required before any order can be signed.
LIGHTER_CHAIN_ID
Layer-2 chain id bound into every signature. Mainnet uses 304 and testnet 300, so this is only needed on a deployment that publishes none.
LIGHTER_READ_ONLY_TOKEN
Read-only token for account observation without a signing key.
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