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Specshield MCP Server

The API-change deploy gate for AI coding agents.

Connector by specshield-io · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)
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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/specshield-io-specshield-mcp-server

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

The API-change deploy gate for AI coding agents. Read-only breaking-change detection.

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
6 read · 0 write · 0 deleteRead-only
Secrets
1 (API keys, tokens or passwords)
Install scripts
Not scanned yet
Runs as
Node.js package

Tools by what they do 6

Read from the source code; the running server may list different tools.

Read 6 · Look things up without changing anything.

  • compare_specs
  • explain_breaking_changes
  • generate_migration_guide
  • generate_release_notes
  • is_change_safe
  • run_governance_review

Secrets and settings it asks for

Secrets: values you paste in that let it act as you.

  • SPECSHIELD_API_KEY

Other settings (environment variables or headers).

  • SPECSHIELD_API_URL
  • SPECSHIELD_LOG_LEVEL
  • SPECSHIELD_TIMEOUT_MS

Tools (6)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • compare_specsCompare two API specsread-only

    Compares two API specs and lists breaking changes, additions, modifications, and warnings with a risk score and compatibility summary. For a merge/deploy decision prefer is_change_safe. Analyzes API contract compatibility only; it does NOT modify code.

  • explain_breaking_changesExplain the breaking changesread-only

    Explains what breaks in an API spec change and why, with developer impact, likely consumer impact, and suggested migration steps. Analyzes API contract compatibility only; it does NOT modify code.

  • generate_migration_guideGenerate a migration guideread-only

    Generates a migration guide (markdown) and safe rollout steps for the breaking changes in an API spec change. Analyzes API contract compatibility only; it does NOT modify code.

  • generate_release_notesGenerate release notesread-only

    Generates release notes (markdown) for an API spec change, grouped into breaking changes, additions, and other changes, tailored to an audience. Analyzes API contract compatibility only; it does NOT modify code.

  • is_change_safeIs this API change safe to ship?read-only

    THE DEPLOY GATE. Analyzes whether an API spec change is safe to merge/deploy — will it break existing consumers? Returns a safeToMerge verdict, a risk level, the exact blocking reasons, and a recommended action. Use this before merging or releasing an API change to catch breaking changes before they reach your consumers. Analyzes API contract compatibility only; it does NOT modify code.

  • run_governance_reviewReview an API spec against governance rulesread-only

    Runs SpecShield's deterministic API governance ruleset against a single OpenAPI spec — design and policy checks that go beyond breaking changes: missing operationId, undocumented error responses, no declared security scheme, missing pagination, inconsistent versioning, unconstrained additionalProperties, and more. Returns located findings, each with a severity and a suggested fix. Paid feature (Team plan or above). Analyzes the spec only; it does NOT modify code.

Signals

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Last commit
Aug 16, 2026 (2 months ago)
Last release
Aug 16, 2026 (2 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.specshield-io/specshield-mcp-server
Version
1.1.1
Auth
API key
Packages
npm specshield-mcp-server
License
MIT
Repository
github.com/specshield-io/specshield-mcp-server
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql
Cite this page

Specshield MCP Server. Agent Mart. https://agentmart.dev/connectors/specshield-io-specshield-mcp-server (last updated 2026-10-24)