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Author SHA1 Message Date
Koichi ITO
dd458b1fb7 Add Elicitation skeleton 
The MCP 2025-06-18 specification includes a feature called Elicitation:
https://modelcontextprotocol.io/specification/2025-06-18/client/elicitation

Like Log Level, an implementation is expected to be provided in the near future.
This PR adds Elicitation as a skeleton implementation for now.
 2025-11-21 02:42:20 +09:00
Koichi ITO
3c452b807c
 		Merge pull request #176 from koic/tweak_the_readme_doc_for_stateless 
[Doc] Tweak the README for stateless
 2025-11-20 10:10:31 +09:00
Koichi ITO
b8719ce04f [Doc] Tweak the README for stateless 
`stateless` was supported in #101. However, as shown in the official specification below,
the supported transports are stdout and Streamable HTTP, and whether it is stateless is
a detail specific to Streamable HTTP:
https://modelcontextprotocol.io/specification/2025-06-18/basic/transports

This PR updates the documentation to describe `stateless` as part of the Streamable HTTP section.
 2025-11-08 12:55:35 +09:00
Koichi ITO
400a56e83d
 		Merge pull request #101 from 1debit/stateless 
Add `stateless` feature to Streamable HTTP protocol
 2025-11-07 09:11:33 +09:00
Hiren Hiranandani
08a84c7320
 		Introduce stateless mode to allow for HA 
- Create failing tests for `stateless` mode
- Implement `stateless` mode by turning of SSE in Streamable HTTP,
  making the interaction a standard HTTP Req/Resp
 2025-11-04 15:26:12 -08:00
Koichi ITO
55dfbdc3b6
 		Merge pull request #174 from koic/extract_release_from_readme_to_a_new_file 
[Docs] Extract release documentation to RELEASE.md
 2025-11-04 12:33:39 +09:00
Koichi ITO
5b737eb9c3 [Docs] Extract release documentation to RELEASE.md 
README is generally better kept focused on information that is most valuable to users.
For that reason, release procedures that are not relevant to end users have been moved to
a separate RELEASE.md file.
 2025-11-04 11:13:39 +09:00
Ateş Göral
3f5f6f8494
 		Internalize json_rpc_handler along with an XSS vulnerability fix (#175) 
* Copy-paste of files from original gem

* Update copied code to match repo style

* Use the lib instead of the gem
 2025-10-30 17:43:31 -04:00
Koichi ITO
c152f15a25
 		Merge pull request #173 from koic/add_bug_tracker_url_to_gemspec 
Add bug tracker URL metadata to gemspec
 2025-10-29 09:36:38 +08:00
Koichi ITO
fc59f440b0 Add bug tracker URL metadata to gemspec 
It would be convenient if users could visit to the bug tracker directly from the published RubyGems.
https://rubygems.org/gems/mcp
 2025-10-28 08:15:30 +09:00
Topher Bullock
ea216047dc
 		Merge pull request #169 from koic/remove_redundant_require_rack_gem 
Remove redundant `rack` gem
 2025-10-27 11:06:01 -04:00
Koichi ITO
cdf5b1cf92
 		Merge pull request #171 from koic/fix_incorrect_schema_name 
[Doc] Fix incorrect schema name
 2025-10-27 00:24:31 +09:00
Koichi ITO
fb67a9b969 [Doc] Fix incorrect schema name 
This PR fixes an incorrect schema name.

The test code already uses `items:`.
https://github.com/modelcontextprotocol/ruby-sdk/blob/v0.4.0/test/mcp/tool/output_schema_test.rb#L135-L141

Fixes #170.
 2025-10-26 01:24:45 +09:00
Koichi ITO
61d48cd6d9
 		Merge pull request #165 from Jflick58/fix/make-tool-error-spec-compliant 
Fix tool error handling to follow MCP spec
 2025-10-22 10:58:29 +09:00
Justin Flick
389cc2e8e6 Fix tool error handling to follow MCP spec 
Tool execution errors now return successful responses with isError: true
instead of JSON-RPC protocol errors, per the MCP specification.

This allows clients to distinguish between protocol-level errors and
tool execution errors, providing better error context.

Fixes #159
 2025-10-21 18:33:42 -07:00
Koichi ITO
4851a16d39 Remove redundant rack gem 
This PR removes the existing `rack` dependency.
`rack` is a dependency of `rackup`.
 2025-10-20 19:24:21 +09:00
Koichi ITO
ad87c8d805
 		Merge pull request #163 from dak2/add-client-prompts-support 
Add `prompts/list` and `prompts/get` support to client
 2025-10-19 02:24:36 +09:00
Koichi ITO
b36aea0716
 		Merge pull request #168 from koic/add_changelog_url_metadata_to_gemspec 
Add changelog URL metadata to gemspec
 2025-10-17 03:31:56 +09:00
Koichi ITO
e03222d206 Add changelog URL metadata to gemspec 
It would be convenient if users could trace the change history directly from the published RubyGems.
https://rubygems.org/gems/mcp
 2025-10-16 11:43:41 +09:00
Topher Bullock
944660a8b0
 		Merge pull request #167 from modelcontextprotocol/release-0.4.0 v0.4.0 
Release v0.4.0
 2025-10-15 14:56:18 -04:00
Topher Bullock
9aafc9add5 Release 0.4.0 2025-10-15 01:25:05 -04:00
dak2
e88deb6b65 Add prompts/list and prompts/get support to client 
This commit adds two new methods to `MCP::Client`:
- prompts: Lists available prompts from the server via `prompts/list`
- get_prompt: Retrieves a specific prompt by name via `prompts/get`

Both methods follow the same pattern as the existing resources support,
including comprehensive test coverage and README documentation updates.

ref. https://github.com/modelcontextprotocol/modelcontextprotocol/blob/main/docs/specification/2025-03-26/server/prompts.mdx#protocol-messages
 2025-10-15 13:16:41 +09:00
Koichi ITO
f312695798
 		Merge pull request #153 from modelcontextprotocol/prompt-spec-compliance 
fix `Prompt` type gaps with 2025-06-18 spec
 2025-10-15 01:22:45 +09:00
Koichi ITO
f8557e5ceb
 		Merge pull request #166 from dak2/fix-client-tools-test 
Fix and add test for client tools functionality
 2025-10-14 01:49:22 +09:00
dak2
7b4ece294b Fix and add test for client tools functionality 
- Add test for empty tools array response to ensure client handles empty
  results correctly
- Update call_tool test to use proper content format (array of content
  objects) instead of plain string based on
  modelcontextprotocol spec.
  https://github.com/modelcontextprotocol/modelcontextprotocol/blob/main/docs/specification/2025-03-26/server/tools.mdx#calling-tools

Follow up: modelcontextprotocol#160
 2025-10-13 11:14:48 +09:00
Koichi ITO
92a08bafc7
 		Merge pull request #162 from dak2/fix-client-resouces-test 
Fix test for empty resources response of client
 2025-10-13 02:02:25 +09:00
Koichi ITO
5b57563738
 		Merge pull request #161 from koic/mention_mcp_client_resources_methods_to_readme 
[Doc] Mention `resources/list` and `resources/read` in the README
 2025-10-12 11:28:30 +09:00
dak2
ad3c1b1b72 Fix test for empty resources response 
Update test_resources_returns_empty_array_when_no_resources to use
correct mock response format with empty resources array instead of
empty result object. Also reorder test to group with other resources
tests.

Follow up: https://github.com/modelcontextprotocol/ruby-sdk/pull/160
 2025-10-12 00:44:17 +09:00
Koichi ITO
93215f4d52 [Doc] Mention resources/list and resources/read in the README 
Follow-up to https://github.com/modelcontextprotocol/ruby-sdk/pull/160
 2025-10-12 00:33:01 +09:00
Koichi ITO
c51060031a
 		Merge pull request #160 from modelcontextprotocol/client-add-resource-support 
add `resources/list` and `resources/read` support to client
 2025-10-11 01:16:06 +09:00
Topher Bullock
2d1a1da937 add resources/list and resources/read support to client 2025-10-10 10:51:42 -04:00
Topher Bullock
a1dd3dd005 add _meta field to Prompt 
> See [General fields: `_meta`](/specification/2025-06-18/basic/index#meta) for notes on `_meta` usage.

51e093b8eb/schema/2025-06-18/schema.ts (L680-L683)
 2025-10-10 09:05:55 -04:00
Koichi ITO
b10a469013
 		Merge pull request #157 from koic/fix_a_typo_for_streamable_http_transport 
[Doc] Fix incorrect example code in README
 2025-10-10 01:03:52 +09:00
Koichi ITO
a217f70d95 [Doc] Fix incorrect example code in README 
Follow-up to https://github.com/modelcontextprotocol/ruby-sdk/pull/33.

A `NameError` occurs because `MCP::Transports::HTTP` does not exist.
The correct constant is `MCP::Server::Transports::StreamableHTTPTransport`.
 2025-10-09 11:44:58 +09:00
Koichi ITO
77370cbb93
 		Merge pull request #154 from koic/remove_redundant_requiring_transports 
Remove unnecessary transport requires
 2025-10-08 12:06:31 +09:00
Koichi ITO
bee6eace22 Remove unnecessary transport requires 
The transports are already required by `require 'mcp'`:
https://github.com/modelcontextprotocol/ruby-sdk/blob/v0.3.0/lib/mcp.rb#L16-L17
 2025-10-07 14:10:48 +09:00
Topher Bullock
701f6faab6 add title field to prompt argument 
`PromptArgument extends BaseMetadata`, which includes both name and
title
 - 51e093b8eb/schema/2025-06-18/schema.ts (L686-L698)
 - 51e093b8eb/schema/2025-06-18/schema.ts (L294-l309)
 2025-10-06 09:35:42 -04:00
Koichi ITO
b5e344e456
 		Merge pull request #132 from dr03ramos/patch-1 
Update metaschema URI format in input_schema.rb
 2025-10-06 10:34:47 +09:00
Koichi ITO
f226e57ce3
 		Merge pull request #152 from modelcontextprotocol/dependabot/github_actions/actions/checkout-5 
Bump actions/checkout from 3 to 5
 2025-10-05 02:47:54 +09:00
dependabot[bot]
e41d961e4c
 		Bump actions/checkout from 3 to 5 
Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v3...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-10-04 16:35:48 +00:00
Koichi ITO
04de0c8be9
 		Merge pull request #151 from koic/move_dependabot_yml 
Move dependabot.yml into .github
 2025-10-05 01:35:06 +09:00
ramos
4c13f6dc08 Update metaschema URI format in input_schema.rb and output_schema.rb for 
cross-compatibility across different OS
 2025-10-03 17:29:50 -03:00
Koichi ITO
435b8c8b22 Move dependabot.yml into .github 
Follow-up to https://github.com/modelcontextprotocol/ruby-sdk/pull/138.

The `dependabot.yml` file must be placed under the `.github` directory,
but it was mistakenly placed outside of it.
 2025-10-04 00:14:49 +09:00
Koichi ITO
c5f2f98077
 		Merge pull request #150 from koic/set_default_content_to_an_empty_array_instead_of_nil 
Set default `content` to an empty array instead of `nil`
 2025-10-03 10:22:46 +09:00
Koichi ITO
0034952df9 Set default content to an empty array instead of nil 
Follow-up to https://github.com/modelcontextprotocol/ruby-sdk/pull/147.

According to the specification schema, `content` is not optional and therefore cannot be omitted:

```typescript
interface CallToolResult {
  _meta?: { [key: string]: unknown };
  content: ContentBlock[];
  isError?: boolean;
  structuredContent?: { [key: string]: unknown };
  [key: string]: unknown;
}
```

https://modelcontextprotocol.io/specification/2025-06-18/schema#calltoolresult

Instead of `nil`, an empty array is set as the default value.

There may be a better value for `content`, but at the very least it should not be missing.
 2025-10-02 23:52:19 +09:00
Tyler Untisz
73cec83b99
 		Add support for _meta field on tool schema (#124) 
* Add support for _meta field on tool schema

* use `meta` naming for `_meta` field on tool schema

* apply suggestions to fix `_meta` tests

Co-authored-by: Ateş Göral <ates@magnetiq.com>

* Update lib/mcp/tool.rb

Co-authored-by: Ateş Göral <ates@magnetiq.com>

* Update lib/mcp/tool.rb

Co-authored-by: Ateş Göral <ates@magnetiq.com>

---------

Co-authored-by: Topher Bullock <topherbullock@users.noreply.github.com>
Co-authored-by: Ateş Göral <ates@magnetiq.com>
 2025-10-01 17:21:27 -04:00
Topher Bullock
c0f7605d25
 		Merge pull request #149 from juharris/client-call_tool_raw 
[client] Change call_tool method to return the full tool response to help get structuredContent
 2025-10-01 15:37:49 -04:00
Justin Harris
ae60e2d904
 		[client] Add call_tool_raw method to get the full tool response to help get structuredContent 2025-10-01 15:18:02 -04:00
Koichi ITO
010ae74edc
 		Merge pull request #145 from koic/add_validation_to_mcp_configuration_setters 
Add validation to `MCP::Configuration` setters
 2025-10-01 10:50:38 +09:00
Koichi ITO
f21629ca74
 		Merge pull request #148 from koic/remove_redundant_sort_in_spec 
Remove redundant sort in spec
 2025-09-30 00:17:12 +09:00