Spectral Governance MCP Server

Your API governance already reaches your IDE and your CI/CD pipeline through your Spectral (or Vacuum) rules, but it cannot reach the place your APIs are increasingly designed today—the conversation. Engineers now draft OpenAPI in a chat with Claude, Cursor, ChatGPT, or Gemini, and agents generate and call APIs with no human in the loop at all. All of that activity happens outside the two surfaces your governance currently governs, leaving the ruleset you invested in blind to where your next APIs are being written. API Evangelist will help you set up a Model Context Protocol (MCP) server for your Spectral API governance—a small, well-scoped server that wraps the exact same rules engine your pipeline already runs, so your governance becomes conversational for copilots and reachable as a guardrail for agents. We do the work alongside you, so a finding in the chat is byte-for-byte the finding in your build, and set it up across the following areas: - **Engine** - Wrap your existing Spectral or Vacuum engine and ruleset so there is one source of truth across the IDE, the pipeline, and the conversation—never a more lenient side door. - **Tools** - Design and name the small set of tools that carry the job: lint an artifact, list your rulesets, list supported formats, and validate a ruleset—so a copilot can draft to your standards, not just react to them. - **Transport & Hosting** - Stand up stdio for the individual developer and, where you want one governed source of rules across the org, a hosted Streamable HTTP endpoint. - **Distribution** - Package it for one-command install, ship copy-paste client configs for the tools your engineers actually use, and register it so agents can discover it. - **Guidance** - Carry your rules' documentation links straight into the conversation so the just-in-time "why" behind each rule is explained at the moment of design. Crucially, we set this up as governance that is exposed, not hidden—queryable, transparent, and cited back to your policies—so humans and machines reason about your rules in the open. We do not weaponize a copilot to quietly trick developers into compliance; that engineers away the feedback loop that keeps your ruleset alive. If your standards already live in a Spectral ruleset, you are most of the way there, and API Evangelist can help you let the machines now writing your APIs reach it. This engagement pairs naturally with API Rules Development and a broader Governance Program, and is the hands-on companion to the API Evangelist paper, Making API Governance Conversational.

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