feat: add MCP server subcommand#34
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Add `oidc mcp` subcommand that starts a stdio-based MCP server using the rmcp crate, exposing `list_clients` and `get_token` tools. This allows AI assistants like Claude Code to retrieve OIDC tokens for configured clients. The MCP functionality is behind a default-enabled `mcp` feature flag so it can be excluded when not needed. Also adds cargo-all-features to CI to verify all feature combinations compile. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Wrap all config read-modify-write cycles in Config::locked(), which acquires an advisory exclusive lock on a sidecar .lock file. This prevents race conditions when the MCP server and CLI commands run concurrently. Uses std::fs::File::lock() (stable since 1.89) with spawn_blocking and AsyncFnOnce closures. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
oidc mcpsubcommand that starts a stdio-based MCP server (usingrmcp), exposinglist_clientsandget_tokentools for AI-assisted token retrievalmcpfeature flag so it can be excluded with--no-default-featurescargo-all-featuresCI job to verify all feature combinations compileTest plan
cargo buildandcargo build --no-default-featuresboth succeedcargo clippy --all-targetspasses cleanly for both feature setscargo testpassesoidc mcp --helpshows the subcommandclaude mcp add oidc -- oidc mcpand verifylist_clients/get_tokenwork🤖 Generated with Claude Code