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ContextGate 0.5.0 — HTTP APIs and guided Agent workflows

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@SamuelSupe SamuelSupe released this 15 Sep 08:22
· 6 commits to main since this release
v0.5.0
5a8fc77

ContextGate 0.5.0

Semantic Data Gateway for AI Agents — connect real data, explain business meaning, and publish controlled queries.

Highlights

  • HTTP API sources: fixed GET/POST JSON operations, authentication, exact scalar parameters, declared fields and token pagination. Use native query_http_api or trialled, published templates through the same source grants and audit controls.
  • Business query catalog: find executable queries first, explore published concepts, and preview linked templates in context.
  • Guided authoring: native query editors, permitted parameter-position suggestions, templates from configured API operations, and entity-focused ontology mapping with metadata field selection.
  • Single-answer checks: capture real Agent calls, review an answer and retain its own history; comparison evaluations remain available.
  • Clearer administration: source-aware onboarding, publication/change review, separated audit activity, credential-expiry navigation, settings sections and bilingual responsive refinements.

Install or upgrade

Download the archive for your Linux architecture and verify SHA256SUMS. Packages include the UI, private C++ libraries, bilingual help, runnable examples and dependency notices. Require glibc 2.36+ and PostgreSQL metadata; no Node.js runtime is needed.

For upgrades from 0.4.x, back up and preserve the existing PostgreSQL store, matching master key and deployment settings. Keep key storage outside temporary directories. Versions through 0.3.x require the documented metadata-backend transition. Existing MCP inputs, MCPDBHUB_* settings and the mcpdbhub command alias remain supported.

Verification and boundaries

Full Go/race suites, nine UI workflow tests and two lossless request tests passed. The OrbStack 18-product / 20-version database matrix passed 135 query/error cases and 104 denied operations, with unchanged fixture data and native/template equivalence. HTTP APIs are an additional source type.

Attached reports identify the exact source commit, native arm64/amd64 CI, independently executed archives, OTLP HTTP/gRPC checks and GitHub-download verification. Local amd64 archive execution uses OrbStack emulation. UI and historical validation records state the workflows and limitations actually observed.

HTTP read-only behavior is administrator-declared: ContextGate enforces fixed request contracts but cannot prove arbitrary upstream operations have no side effects. This release adds no federation, ontology instance storage or inference engine.

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