MarketNow Registry / Developer Tools / assay-oracle-mcp
assay-oracle-mcp
MCP server for Assay, the x402 service-quality oracle — check any machine-payable service's quality tier and score (earned by real paid probes with on-chain receipts) before your agent pays it.
Install
$ npx -y assay-oracle-mcpInstalling via npx/uvx/npm install executes arbitrary code from the public registry on your machine. This is the install-risk semantic of the MarketNow catalog — verify the publisher before running it.
Adoption evidence: 59 weekly registry downloads.
How MarketNow scored this
Sentinel Index Heuristics — a security-first estimate from public signals:
- Package age and release activity (stale repositories lose points)
- Verified adoption: registry downloads or GitHub stars, not follower counts
- Typosquat distance against the 150 most-installed MCP packages
- Injection markers scanned in the package description
Heuristic, not a guarantee. For verified agent credentials and revocation, see the MarketNow Trust API.
What is assay-oracle-mcp?
MCP server for Assay, the x402 service-quality oracle — check any machine-payable service's quality tier and score (earned by real paid probes with on-chain receipts) before your agent pays it. Indexed by MarketNow with trust 60/100 (Runs registry code).
How do I install it?
Run $ npx -y assay-oracle-mcp Installing via npx/uvx/npm install executes arbitrary code from the public registry on your machine. This is the install-risk semantic of the MarketNow catalog — verify the publisher before running it.
What does the trust score mean?
Security-first heuristic over public signals (age, adoption, typosquat distance, injection markers). It is not a popularity ranking and not a guarantee of safety. assay-oracle-mcp scores 60/100.