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x402 Trinity

io.github.devmster/x402-trinityv0.1.6Other

Give an agent a wallet. Pays for x402 resources within hard limits. Base + USDC, gasless.

The current version, v0.1.6, was published to the official MCP registry on 2026-08-26. It is distributed as x402-trinity on npm, filed under Other by this index, and declares 6 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.

In-path gate · all MCP tools

Using x402 Trinity 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).

Install the mcpindex gate (one command)

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
Auditable install path →Watch it hold a drift →
Trust verdict · v1 advisory · method
NOT YET SCREENEDno verdict on file

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 x402 Trinity’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

Environment variables
X402_PRIVATE_KEY
requiredsecret

Private key of the wallet that pays. Use a dedicated wallet holding only what you would accept losing. The server refuses to start without it.

X402_MAX_PER_REQUEST
required

Hard ceiling for a single payment, in atomic units (USDC has 6 decimals, so 50000 is $0.05). Required: a model decides when payments happen, so the cap cannot come from the model.

X402_TOTAL_BUDGET
required

Lifetime ceiling across all payments, in atomic units. Required for the same reason as the per-request cap.

X402_BUDGET_FILE

Path to a file that makes the lifetime budget survive restarts. Without it the total resets every time the server starts.

X402_ALLOW_HOSTS

Comma-separated hosts that may be paid. Anything else is refused however convincing the challenge looks.

X402_NETWORKS

Networks to accept. Defaults to base.

MCP quality score · maturity, not trust · methodology
freshness
25
completeness
20
installability
25
documentation
15
stability
5
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