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backstage/plugins/mcp-actions-backend/CHANGELOG.md
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2026-05-26 15:26:38 +00:00

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@backstage/plugin-mcp-actions-backend

0.1.14-next.0

Patch Changes

  • Updated dependencies

0.1.13

Patch Changes

  • ca8951a: Fixed an issue where actions returned Markdown-formatted JSON instead of plain JSON and a structuredContent field for model context protocol responses.
  • 8916f83: Trace spans are now emitted for MCP tools/call invocations, following OpenTelemetry server-side MCP semantic conventions.
  • Updated dependencies
    • @backstage/errors@1.3.1
    • @backstage/backend-plugin-api@1.9.1
    • @backstage/plugin-catalog-node@2.2.1
    • @backstage/catalog-client@1.15.1
    • @backstage/config@1.3.8

0.1.13-next.0

Patch Changes

  • Updated dependencies
    • @backstage/errors@1.3.1-next.0
    • @backstage/backend-plugin-api@1.9.1-next.0
    • @backstage/catalog-client@1.15.1-next.0
    • @backstage/config@1.3.8-next.0
    • @backstage/plugin-catalog-node@2.2.1-next.0
    • @backstage/types@1.2.2

0.1.12

Patch Changes

  • 282c114: Fix OAuth 2.0 Protected Resource Metadata endpoint returning internal plugin URL, preventing some MCP clients like Claude Code from authenticating
  • 482ceed: Migrated from assertError to toError for error handling.
  • c6abc52: Fixed the .well-known/oauth-protected-resource resource URL to comply with RFC 9728 Section 7.3. Enabling dynamic resource paths.
  • Updated dependencies
    • @backstage/backend-plugin-api@1.9.0
    • @backstage/errors@1.3.0
    • @backstage/plugin-catalog-node@2.2.0
    • @backstage/catalog-client@1.15.0
    • @backstage/config@1.3.7

0.1.12-next.2

Patch Changes

  • 282c114: Fix OAuth 2.0 Protected Resource Metadata endpoint returning internal plugin URL, preventing some MCP clients like Claude Code from authenticating
  • 482ceed: Migrated from assertError to toError for error handling.
  • Updated dependencies
    • @backstage/errors@1.3.0-next.0
    • @backstage/plugin-catalog-node@2.2.0-next.2
    • @backstage/backend-plugin-api@1.9.0-next.2
    • @backstage/catalog-client@1.14.1-next.0
    • @backstage/config@1.3.7-next.0

0.1.11-next.1

Patch Changes

  • Updated dependencies
    • @backstage/backend-plugin-api@1.9.0-next.1
    • @backstage/plugin-catalog-node@2.1.1-next.1

0.1.11-next.0

Patch Changes

  • Updated dependencies
    • @backstage/backend-plugin-api@1.8.1-next.0
    • @backstage/plugin-catalog-node@2.1.1-next.0
    • @backstage/catalog-client@1.14.0
    • @backstage/config@1.3.6
    • @backstage/errors@1.2.7
    • @backstage/types@1.2.2

0.1.10

Patch Changes

  • 62f0a53: Fixed error forwarding in the actions registry so that known errors like InputError and NotFoundError thrown by actions preserve their original status codes and messages instead of being wrapped in ForwardedError and coerced to 500.

  • dee4283: Added mcpActions.name and mcpActions.description config options to customize the MCP server identity. Namespaced tool names now use dot separator to align with the MCP spec convention.

  • a49a40d: Updated dependency zod to ^3.25.76 || ^4.0.0 & migrated to /v3 or /v4 imports.

  • c74b697: Added support for splitting MCP actions into multiple servers via mcpActions.servers configuration. Each server gets its own endpoint at /api/mcp-actions/v1/{key} with actions scoped using include/exclude filter rules. Tool names are now namespaced with the plugin ID by default, configurable via mcpActions.namespacedToolNames. When mcpActions.servers is not configured, the plugin continues to serve a single server at /api/mcp-actions/v1.

  • dc81af1: Adds two new metrics to track MCP server operations and sessions.

    • mcp.server.operation.duration: The duration taken to process an individual MCP operation
    • mcp.server.session.duration: The duration of the MCP session from the perspective of the server

  • Updated dependencies

0.1.10-next.2

Patch Changes

  • c74b697: Added support for splitting MCP actions into multiple servers via mcpActions.servers configuration. Each server gets its own endpoint at /api/mcp-actions/v1/{key} with actions scoped using include/exclude filter rules. Tool names are now namespaced with the plugin ID by default, configurable via mcpActions.namespacedToolNames. When mcpActions.servers is not configured, the plugin continues to serve a single server at /api/mcp-actions/v1.
  • Updated dependencies

0.1.10-next.1

Patch Changes

  • 62f0a53: Fixed error forwarding in the actions registry so that known errors like InputError and NotFoundError thrown by actions preserve their original status codes and messages instead of being wrapped in ForwardedError and coerced to 500.
  • Updated dependencies
    • @backstage/catalog-client@1.14.0-next.1
    • @backstage/plugin-catalog-node@2.1.0-next.1
    • @backstage/backend-plugin-api@1.7.1-next.0
    • @backstage/errors@1.2.7
    • @backstage/types@1.2.2

0.1.10-next.0

Patch Changes

  • dc81af1: Adds two new metrics to track MCP server operations and sessions.

    • mcp.server.operation.duration: The duration taken to process an individual MCP operation
    • mcp.server.session.duration: The duration of the MCP session from the perspective of the server

  • Updated dependencies

    • @backstage/plugin-catalog-node@2.1.0-next.0
    • @backstage/backend-plugin-api@1.7.1-next.0
    • @backstage/catalog-client@1.13.1-next.0
    • @backstage/errors@1.2.7
    • @backstage/types@1.2.2

0.1.9

Patch Changes

  • 31de2c9: Added OAuth Protected Resource Metadata endpoint (/.well-known/oauth-protected-resource) per RFC 9728. This allows MCP clients to discover the authorization server for the resource.

    Also enabled OAuth well-known endpoints when CIMD (Client ID Metadata Documents) is configured, not just when DCR is enabled.

  • 8148621: Moved @backstage/backend-defaults from dependencies to devDependencies.

  • 69d880e: Bump to latest zod to ensure it has the latest features

  • Updated dependencies

0.1.9-next.1

Patch Changes

  • 8148621: Moved @backstage/backend-defaults from dependencies to devDependencies.
  • Updated dependencies

0.1.8-next.0

Patch Changes

0.1.7

Patch Changes

0.1.7-next.1

Patch Changes

0.1.7-next.0

Patch Changes

0.1.6

Patch Changes

  • e83e038: Added @cfworker/json-schema as a dependency to this package part of the @modelcontextprotocol/sdk bump as it's required in the types
  • de96a60: chore(deps): bump express from 4.21.2 to 4.22.0
  • 79ef471: Clarify error handling in readme and update handleError.ts to include all backstage/errors
  • Updated dependencies

0.1.6-next.1

Patch Changes

0.1.6-next.0

Patch Changes

0.1.5

Patch Changes

0.1.5-next.1

Patch Changes

0.1.5-next.0

Patch Changes

  • 05f60e1: Refactored constructor parameter properties to explicit property declarations for compatibility with TypeScript's erasableSyntaxOnly setting. This internal refactoring maintains all existing functionality while ensuring TypeScript compilation compatibility.
  • Updated dependencies

0.1.4

Patch Changes

0.1.4-next.1

Patch Changes

0.1.4-next.0

Patch Changes

0.1.3

Patch Changes

  • 1d47bf3: Proxy /.well-known/oauth-authorization-server to /.well-known/openid-configuration on auth-backend when auth.experimentalDynamicClientRegistration.enabled is enabled.
  • 7f2a4a0: Updating docs
  • d08b0c9: The MCP backend will now convert known Backstage errors into textual responses with isError: true. The error message can be useful for an LLM to understand and maybe give back to the user. Previously all errors where thrown out to @modelcontextprotocol/sdk which causes a generic 500.
  • Updated dependencies

0.1.3-next.1

Patch Changes

0.1.3-next.0

Patch Changes

  • d08b0c9: The MCP backend will now convert known Backstage errors into textual responses with isError: true. The error message can be useful for an LLM to understand and maybe give back to the user. Previously all errors where thrown out to @modelcontextprotocol/sdk which causes a generic 500.
  • Updated dependencies

0.1.2

Patch Changes

0.1.2-next.0

Patch Changes

0.1.1

Patch Changes

0.1.1-next.1

Patch Changes

0.1.1-next.0

Patch Changes

0.1.0

Minor Changes

  • 4ed0fb6: Initial implementation of an mcp-actions backend

Patch Changes

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