ScorpTech x402 API

Repo Posture

repo_posture

Read-onlyIdempotent

Security posture of a public GitHub repository from the OpenSSF Scorecard API: aggregate 0-10 score and rating, every check (Code-Review, Branch-Protection, Dangerous-Workflow, Token-Permissions, Pinned-Dependencies, Signed-Releases, Vulnerabilities, SAST, Fuzzing, Security-Policy, ...) with score, risk level, status and reason, a list of failing important checks, plus GitHub signals: SECURITY.md location, license, archived, stars, last push. Price: $0.02 USDC per successful call (x402, Solana). Same tool over HTTPS: GET https://scorptech.it.com/api/x402/v1/repo-posture

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "repo": "<repo>"
    },
    "name": "repo_posture"
  }
}

Input Schema

Name	Required	Description	Default
`repo`	Yes	owner/name or https://github.com/owner/name
`details`	No	Include up to 10 raw Scorecard detail lines per check (default false)

Schema Changelog

Changes observed during successful MCP inspections.

First observedOct 23, 2026

TDQS

A3.7/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnly/idempotent/non-destructive/open-world, and the description adds genuinely useful context beyond them: a paid x402 call at $0.02 USDC per successful call on Solana, plus the equivalent free-form HTTPS GET endpoint. That payment requirement and billing basis materially affect invocation. It omits failure/refund behavior for unsuccessful calls and any rate limits.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Purpose and output inventory are front-loaded, and the payment/endpoint facts are placed last. It is dense but nearly every clause carries information; the parenthetical check-name list is the only mildly expendable part.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, the description carries the burden of describing return values and does so thoroughly — aggregate score, per-check score/risk/status/reason, failing checks, and GitHub signals. Payment mechanics are also covered. Gaps are minor: error semantics, private-repo rejection, and rate limits.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so both parameters (repo format, details flag) are already fully documented in the schema. The description enumerates returned fields but never mentions the details toggle or what repo formats are accepted, so it adds nothing parameter-level beyond the schema. Baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb+resource: security posture of a public GitHub repository derived from the OpenSSF Scorecard API, and enumerates the concrete contents (aggregate score, per-check breakdown, failing checks, GitHub signals). An agent knows exactly what it gets back. It does not, however, differentiate itself from the sibling github_health, which plausibly overlaps.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Implicit usage is clear (audit a public GitHub repo's supply-chain/security posture) and the HTTPS endpoint is offered as an equivalent path, but there is no explicit when-to-use statement, no exclusion of private repos beyond the word 'public', and no routing guidance versus github_health or package_risk.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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