reaatechreaatech/mcp-gateway/skills/audit-trail/skill.md

audit-trail

Skill0 starsChanged 7 months agoMITView on GitHub

2 other projects use a version of this.

Adopted by

Most recently taken up by

microsoft/aibast-agents-librarytheir own version, first seen Nov 8, 2026
SynapticSage/claude-skillztheir own version, first seen Jul 6, 2026

Other versions2 projects use a version of this.
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Wrote their own version · 2
microsoft/aibast-agents-library★ 8same name
SynapticSage/claude-skillz★ 0same name
How matches are found. Word for word: the exact same text. Edited: shares passages with this file (“99% same” means 99% of its five-word phrases also appear here; 10% or more counts). Their own version: similar meaning, or, weakest, the same name. We can’t tell which project had it first. Projects are counted among the 200 most-starred candidates, and mentions are links to the repository we found, up to 50 per site, so both counts are a floor.
In this repository8 other files it gives its agents.
- AGENTS.mdAGENTS.md
- authSkill
- fan-outSkill
- observabilitySkill
- rate-limitingSkill
- response-cachingSkill
- schema-validationSkill
- tool-allowlistSkill

The file

We found no rules to list in this file: it reads as prose or reference rather than instructions.

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Files

skill.md

Audit Trail

Capability

Compliance audit logging with structured JSON output, multiple storage backends, tamper-evident chaining, and query API.

Package

@reaatech/mcp-gateway-audit — packages/audit/src/

Components

Component	Purpose
`audit-logger.ts`	Core logging: ConsoleAuditLogger, FileAuditLogger, CompositeAuditLogger, TamperEvidentLogger
`audit-storage.ts`	MemoryAuditStorage and FileAuditStorage backends
`audit-query.ts`	Query API with filtering by tenant, event type, date range, limit
`event-types.ts`	Event type configurations and severity mappings
`types.ts`	AuditEvent, AuditEventType, AuditSeverity, AuditQueryParams

Audit Event Types

Event	Triggered When
`auth.success`	Authentication succeeds
`auth.failure`	Authentication fails
`rate_limit.exceeded`	Rate limit exceeded
`allowlist.denied`	Tool access denied
`tool.executed`	Tool execution completes
`cache.hit`	Cache hit
`cache.miss`	Cache miss
`upstream.error`	Upstream server error

Audit Event Format

{
  "id": "evt-abc123",
  "timestamp": "2026-04-15T23:00:00Z",
  "eventType": "tool.executed",
  "severity": "low",
  "tenantId": "acme-corp",
  "userId": "user-123",
  "requestId": "req-xyz789",
  "tool": "glean_search",
  "success": true,
  "durationMs": 234,
  "cacheHit": false,
  "upstream": "primary"
}

Storage Backends

Backend	Use Case
Console (`ConsoleAuditLogger`)	Development, stdout
File (`FileAuditLogger`)	Production, JSONL format, append-only
Memory (`MemoryAuditStorage`)	Queryable, for API access
Composite (`CompositeAuditLogger`)	Fan-out to multiple backends
Tamper-Evident (`TamperEvidentLogger`)	SHA-256 chain integrity verification

Error Handling

Audit failures never block request processing (fire-and-forget)
Failed audit writes logged at WARN level
Integrity verification via computeEventHash and verifyAuditChain

Security Considerations

PII automatically redacted (tokens, IPs masked)
Audit logs immutable (append-only)
Tamper detection via hash chaining
Audit log queries gated behind admin-scoped auth

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