MCP Synapse v0.8.0

MCP Synapse v0.8.0 Release Notes

Summary

v0.8.0 expands MCP Synapse beyond the original provider set and turns the desktop runtime into a broader local-first gateway surface for both AI providers and arbitrary REST APIs.

Positioning:

Any API. Any model. One gateway. Full audit trail.

Highlights

Provider Wave 2

• Added Anthropic, Groq, Gemini, OpenRouter, DeepSeek, and xAI/Grok to the provider surface.
• Groq was runtime-tested directly during the milestone.
• Endpoint contamination fixes now prevent the local SSE bridge URL from being reused as a provider base URL.

REST Adapter

• Added Custom REST API as a new connection type.
• The REST adapter supports endpoint URL, auth mode, HTTP method, and response-field mapping.
• This is the first domain-agnostic snapshot source in the product surface.

Budget Enforcement

• Budget Guards now support monitor, block, and throttle modes.
• Enforcement is explicit and user-configured.
• No hidden retry, fallback, or silent override behavior was introduced.

Auto-update

• Settings now includes Check for Updates.
• Update checks run through backend dispatch instead of direct frontend HTTP calls.
• Update flow remains user-controlled; there is no silent install path.

Bedrock Early Access

• Bedrock now appears in the Connections surface with an Early Access badge.
• The product explicitly states that Bedrock has not been runtime-tested by the development team.

Runtime Stability Fixes

• Fixed zombie port cleanup on shutdown.
• Fixed persisted startup state so saved connections no longer auto-start when the app opens.
• Fixed provider endpoint/base URL contamination from the local SSE bridge runtime URL.

Notes

• SHA256 hashes will be added to SHA256SUMS.txt after the release build is finalized.
• Sigstore remains the planned artifact integrity direction per D-038.