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Presidio Hardened X402 Mcp

presidio-v/presidio-hardened-x402-mcp

Gives agents three gates to run before signing x402 payments: `screen_payment_metadata` redacts PII from URLs and description text, `check_payment_policy` enforces per-call and daily spending caps, and `check_payment_replay` blocks duplicate payments via HMAC fingerprinting. Wraps the presidio-hardened-x402 library in process by default, so no PII leaves the agent host. You can optionally point it at a remote screening service with `PRESIDIO_X402_MCP_REMOTE_BASE_URL` for centralized audit. Designed to compose with x402station and Coinbase x402 MCP servers in the flow right before pay(). Policy and replay checks record state on call, so sequence them immediately before payment execution. The screening step is read-only and safe to run multiple times.

GitHub stars
2
tools
3
transport
STDIO
last updated
Nov 7, 2026
View on GitHub

Tools

3 tools

Public tool metadata for what this MCP can expose to an agent.

screen_payment_metadataDetects and redacts PII in payment metadata.

Detects and redacts PII in payment metadata.

No parameter schema in public metadata yet.

check_payment_policySpending-policy gate that records the spend on success.

Spending-policy gate that records the spend on success.

No parameter schema in public metadata yet.

check_payment_replayDuplicate-payment gate via HMAC-SHA256 fingerprint of the canonical fields.

Duplicate-payment gate via HMAC-SHA256 fingerprint of the canonical fields.

No parameter schema in public metadata yet.

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Readme

presidio-hardened-x402-mcp

PyPI version Python GitHub release License: MIT CI OpenSSF Scorecard OpenSSF Best Practices

View the full README on GitHub

Details

Repository
github.com/presidio-v/presidio-hardened-x402-mcp
Category
Finance & Commerce
Package
presidio-hardened-x402-mcp
Transport
STDIO
Registry
MCP registry, active

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