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Side-by-side MCP evidence comparison
Evidence fieldAISIX MCP GatewayWatchlist candidatebuildkiteMCP100 Selected
Task fit
Best for
  • Organizations that want one MCP gateway to aggregate upstream servers and restrict tools per caller key
  • Teams that need a policy boundary in front of multiple MCP servers
  • CI/CD investigation and controlled Buildkite operations through hosted or self-managed MCP transports.
Not ideal for
  • Small local setups that do not need a gateway layer
  • Production multi-tenant deployments before admin/operator controls are fully reviewed
  • Teams outside the publisher ecosystem or without least-privilege credentials
Avoid when
  • Admin tokens or gateway configuration are broadly accessible
  • Caller keys are granted whole-server/all-tool access without a reason
  • The connected identity is broader than the task requires
  • Tool calls cannot be reviewed before consequential mutations
Provenance
Provenance details

First-party MCP

API7.ai · Publisher source ↗

First-party MCP

ecosystem:buildkite · Publisher source ↗

Maintenance
Maintenance details

Repo: Not documented

Package: Not documented

Repo: Aug 13, 2026

Package: Not documented

Popularity evidence
GitHub starsNot documented

52

GitHub stars · checked 2026-08-14T18:46:26.000Z

Client coverage
Client coverage detailsNot documented
Claude Code✓ Streamable HTTP
Claude Desktop✓ Streamable HTTP
Codex✓ Streamable HTTP
VS Code✓ Streamable HTTP
Cursor✓ Streamable HTTP
OpenCode✓ Streamable HTTP
Client coverage noteLocal stdio runs on your computer. Streamable HTTP connects to a remotely hosted MCP server.
Access and data
AuthenticationCaller requests use a gateway API key by default (Authorization: Bearer or x-api-key). Cloud management also uses admin/control-plane credentials.Hosted access uses short-lived OAuth, while headless and local deployments use scoped Buildkite API tokens.
CostAISIX Cloud/commercial and infrastructure costs may apply; open-source deployment has hosting/operations costs.The MCP integration has no separately verified MCP100 price conclusion. Publisher subscriptions, API usage, compute, storage, and AI-client charges may apply.
PermissionsA caller key cannot list/call tools until granted; access can be scoped to specific tools/servers/policies.OAuth and API-token scopes govern organization, pipeline, build, job, artifact, and Test Engine access; a read-only hosted endpoint is available.
Data handlingThe gateway proxies MCP requests/responses between callers and upstream MCP servers, so sensitive tool payloads traverse the gateway boundary.Authorized service data and tool results pass through the MCP server to the connected AI client. Review the publisher and client data policies before using sensitive cloud & devops information.
Limitations
Tradeoffs
  • Per-key tool grants are a strong least-privilege primitive
  • A gateway becomes a central trust boundary for credentials, upstream routing, and tool availability
  • Write-capable endpoints can rerun, cancel, or otherwise change CI state; use the read-only endpoint for investigation.
Risk contextHigh. Central gateway compromise or misconfiguration can expose multiple upstream tools/credentials. Review admin-token handling, tenant separation, audit logging, rate limits, and emergency revocation.Write-capable endpoints can rerun, cancel, or otherwise change CI state; use the read-only endpoint for investigation. Use a test environment where practical, least-privilege credentials, narrowly enabled tools, and explicit confirmation for mutations. MCP100 did not execute third-party server code during this documentation review.
Evidence date
Editorial review2026-09-112026-07-30
Candidate evidence2026-09-11T00:00:00.000Z2026-08-14T18:46:26.000Z

Popularity, maintenance, fit, permissions, and client support are independent evidence fields.

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