BagOS
MCP server for Bags on Solana: token analytics, trade quotes, and gated write operations.
Using BagOS 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-wireVerdict 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 2026-08-15).
Contracts can change after screening, with no version bump. The gate pins BagOS’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
BAGS_API_KEYBags API key from dev.bags.fm. Required for all tools.
BAGS_NETWORKSolana cluster: devnet (default) or mainnet. Writes on mainnet move real funds.
SOLANA_RPC_URLCustom Solana RPC endpoint. Defaults to the public RPC for BAGS_NETWORK.
BAGS_KEYPAIR_PATHPath to a Solana keypair JSON file. Only required for write tools.
BAGS_MAX_SOL_PER_TXHard cap on SOL spent by any single transaction. Default 0.1.
BAGS_MAX_SOL_PER_SESSIONHard cap on total SOL spent across one server session. Default 1.0.
BAGS_ALLOW_UNCONFIRMEDSet true to skip the two-step confirmation on writes. Default false.
BOS_TOKEN_MINTMint address of the BOS token used for gating write tools.
BOS_REQUIRED_BALANCEMinimum BOS balance required to call write tools. Default 10000.
BAGS_ALLOW_UNCAPPED_TOKEN_SWAPSPermit non-SOL-input swaps, which the SOL-denominated caps cannot limit.
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