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* Fix set_issue_fields mutation: use correct inline fragments for IssueFieldValue union
The mutation response struct used a single inline fragment
'... on IssueFieldDateValue' with a 'Name' field that doesn't exist
on that type (only IssueFieldSingleSelectValue has 'name'). This
caused GraphQL validation to fail with:
Field 'name' doesn't exist on type 'IssueFieldDateValue'
Since GraphQL validates the entire document (including response
selection sets) before executing any operation, the mutation never
fired at all — no fields were ever set regardless of input.
Fix by adding correct inline fragments for all four union types:
- IssueFieldTextValue (value)
- IssueFieldSingleSelectValue (name)
- IssueFieldDateValue (value)
- IssueFieldNumberValue (value)
* Update test mock to match corrected inline fragments
* Update handler_test.go formatting
Upgrades github.com/modelcontextprotocol/go-sdk from v1.5.0 to
v1.5.1-0.20260403154220-27f29c1cef3b which includes proper media type
parsing for Content-Type headers, fixing the strict string matching
that rejected application/json; charset=utf-8.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Add NormalizeContentType middleware that strips optional parameters
(e.g. charset=utf-8) from application/json Content-Type headers before
the request reaches the Go SDK's StreamableHTTP handler, which performs
strict string matching.
Per RFC 8259, the charset parameter is redundant for JSON but must be
accepted per HTTP semantics.
Fixes#2333
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Rebase PR #2282 onto main (post-#2332) and unify feature flag
allowlists into a single source of truth.
- Add MCPAppsFeatureFlag, AllowedFeatureFlags, InsidersFeatureFlags,
and ResolveFeatureFlags in feature_flags.go
- AllowedFeatureFlags includes all user-controllable flags (MCP Apps +
granular), InsidersFeatureFlags only includes MCPAppsFeatureFlag
- HeaderAllowedFeatureFlags() now delegates to AllowedFeatureFlags
- Builder uses feature checker instead of insidersMode bool
- Remove InsidersOnly field from ServerTool and WithInsidersMode from
Builder
- HTTP feature checker uses ResolveFeatureFlags for per-request
resolution with insiders expansion
- Tool handlers check MCPAppsFeatureFlag via IsFeatureEnabled instead
of InsidersMode
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
The README references docs/deprecated-tool-aliases.md which does not
exist. The correct file is docs/tool-renaming.md.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Upgrade the MCP Go SDK from v1.3.1-0.20260220105450-b17143f71798
(pseudo-version) to v1.5.0 (latest stable).
This also resolves#2333, as the SDK now correctly handles
Content-Type headers with MIME parameters (e.g. charset=utf-8)
via mime.ParseMediaType in StreamableHTTPHandler (added in v1.4.1).
Transitive dependency updates:
- go directive: 1.24.0 → 1.25.0 (required by SDK)
- golang.org/x/oauth2: v0.34.0 → v0.35.0
- golang.org/x/sys: v0.40.0 → v0.41.0
- segmentio/encoding: v0.5.3 → v0.5.4
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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* initial OSS granular PRs and issues toolsets
* update docs
* refactor: reuse existing helpers in granular toolsets
Refactor granular issue and PR tools to delegate to existing tested
helper functions instead of reimplementing logic from scratch:
- Sub-issue tools (add/remove/reprioritize) now delegate to existing
REST-based AddSubIssue, RemoveSubIssue, ReprioritizeSubIssue helpers
- PR review tools (create/submit/delete) now delegate to existing
CreatePullRequestReview, SubmitPendingPullRequestReview,
DeletePendingPullRequestReview helpers (fixes viewer filtering bug)
- Review comment tool now uses viewer-safe pattern from
AddCommentToPendingReview (query viewer, filter by author, validate
PENDING state, pass PullRequestReviewID)
- Fix milestone param to use RequiredInt instead of float64 cast
- Fix line/startLine params to use OptionalIntParam
- Draft state tool uses typed GraphQL inputs matching existing patterns
- Remove duplicate GraphQL types and helper functions
- Add toolsnap tests for all 20 granular tools
- Update generated docs
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* refactor: use feature flags instead of separate granular toolsets
Place granular tools in existing issues/pull_requests toolsets with
FeatureFlagEnable, instead of creating separate issues_granular and
pull_requests_granular toolsets. This is simpler and uses the existing
feature flag infrastructure to switch between consolidated and
granular tool variants at runtime.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* fix: address review feedback on granular toolsets
- Fix REST response handling: capture resp, close body, use ghErrors
helpers in issueUpdateTool, prUpdateTool, GranularCreateIssue, and
GranularRequestPullRequestReviewers
- Add FeatureFlagDisable on consolidated tools (IssueWrite, SubIssueWrite,
UpdatePullRequest, PullRequestReviewWrite, AddCommentToPendingReview)
so they are hidden when granular variants are active
- Use OptionalStringArrayParam for assignees, labels, reviewers instead
of manual loop that silently dropped non-string elements
- Fix side/startSide empty string leak: pass nil pointer when absent
instead of pointer to empty string in GraphQL mutations
- Fix milestone minimum from 0 to 1 to match RequiredInt rejection of 0
- Return MinimalResponse {id, url} instead of full JSON objects
- Fix RequiredParam[bool] rejecting draft=false by using presence check
- Add handler tests for update_pull_request_draft_state (draft + ready)
and add_pull_request_review_comment with full GraphQL mocking
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* fix: address review feedback on granular toolsets
- Fix translation keys to use ALL_CAPS convention (strings.ToUpper)
- Fix assignees/labels clearing: check key presence instead of len==0
- Extract AddCommentToPendingReviewCall helper to deduplicate GraphQL
logic between consolidated and granular tools
- Add missing granular tools: resolve_review_thread, unresolve_review_thread
(were in pull_request_review_write but had no granular replacements)
- Add handler tests for new resolve/unresolve tools
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---------
Co-authored-by: Sam Morrow <info@sam-morrow.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
The HTTP server now respects the same static CLI flags as the stdio
server: --toolsets, --tools, --exclude-tools, --read-only,
--dynamic-toolsets, and --insiders.
A static inventory is built once at startup from these flags, producing
a pre-filtered tool/resource/prompt universe. Per-request headers
(X-MCP-Toolsets, X-MCP-Tools, etc.) can only narrow within these
bounds, never expand beyond them. When no static flags are set, the
existing behavior is preserved — headers have full access to all
toolsets.
Fixes#2156
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Some MCP clients require array item schemas to explicitly set
`additionalProperties: false`. Without this, `push_files` calls will fail.
Fixes#2011
Research and fix was initially done by @04cb
Add three optional parameters to the list_commits tool that map to
existing GitHub API query parameters:
- path: filter commits to those touching a specific file or directory
- since: only commits after this date (ISO 8601)
- until: only commits before this date (ISO 8601)
These parameters are already supported by the go-github library's
CommitsListOptions struct but were not exposed by the MCP tool.
The path filter is particularly useful for monorepo workflows where
commit history needs to be scoped to a specific project subdirectory.
Time parsing uses the existing parseISOTimestamp helper (shared with
list_issues and list_gists) which accepts both YYYY-MM-DDTHH:MM:SSZ
and YYYY-MM-DD formats.
Closes#197
Add documentation for the server name and title customization feature
to the README i18n section and server-configuration.md quick reference.
This helps users running multiple GitHub MCP Server instances discover
how to configure unique identities via environment variables or the
config JSON file.
Co-authored-by: Anika Reiter <1503135+Anika-Sol@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Instead of new CLI flags (--server-name, --server-title), reuse the
existing string override mechanism that already supports tool title/
description overrides throughout the codebase.
Users can now configure the server name and title via:
- GITHUB_MCP_SERVER_NAME / GITHUB_MCP_SERVER_TITLE env vars
- "SERVER_NAME" / "SERVER_TITLE" keys in github-mcp-server-config.json
This is consistent with how all other user-visible strings are
overridden (e.g. GITHUB_MCP_TOOL_GET_ME_USER_TITLE). No new struct
fields or CLI flags are needed.
Co-authored-by: SamMorrowDrums <4811358+SamMorrowDrums@users.noreply.github.com>
Allows users running multiple GitHub MCP Server instances (e.g., for
github.com and GitHub Enterprise Server) to override the server name and
title in the MCP initialization response.
- Add --server-name / GITHUB_SERVER_NAME flag+env to override name
- Add --server-title / GITHUB_SERVER_TITLE flag+env to override title
- Defaults remain "github-mcp-server" and "GitHub MCP Server"
- Applies to both stdio and HTTP server modes
- Add tests for default and custom name/title
Co-authored-by: SamMorrowDrums <4811358+SamMorrowDrums@users.noreply.github.com>
Adds `resolve_thread` and `unresolve_thread` methods to the
`pull_request_review_write` tool, enabling users to resolve and
unresolve PR review threads via GraphQL mutations.
- Add ThreadID field to PullRequestReviewWriteParams struct
- Add threadId parameter and new methods to tool schema
- Implement ResolveReviewThread function using GraphQL mutations
- Add switch cases for resolve_thread and unresolve_thread methods
- Add unit tests covering success, error, empty and omitted threadId
- Document that owner/repo/pullNumber are unused for these methods
- Document idempotency (resolving already-resolved is a no-op)
- Update toolsnaps and generated docs
Fixes#1768
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Check for the "state" key directly in the args map rather than using
OptionalParam and ignoring its error. This ensures that a wrongly-typed
state value bypasses the UI form (falling through to the normal
validation path) instead of silently showing the form.
Co-authored-by: mattdholloway <918573+mattdholloway@users.noreply.github.com>
When using issue_write with method "update" and a state parameter (e.g.
"closed"), the MCP Apps UI form was incorrectly shown. The form only
handles title/body editing and would lose the state transition. Now when
a state change is requested, the UI form is skipped and the update
executes directly.
Fixesgithub/github-mcp-server#798
Co-authored-by: mattdholloway <918573+mattdholloway@users.noreply.github.com>
Iulia Bejan