v0.58.2

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Maintenance

• 81240b0: chore: update all deps and fix acp-go-sdk v0.12.0 breaking changes (@ezynda3)

Other Changes

• 307dcd1: cleanup (@ezynda3)

v0.58.1

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Bug Fixes

• 9a662d4: fix(ui): reduce TUI visual noise and improve layout (@ezynda3)

v0.58.0

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Features

• 4ba9d6f: feat(events): mirror Fantasy tool input streaming callbacks as Kit events (@ezynda3)

Documentation

• aec0e7c: docs: document noOAuth MCP server config field (@ezynda3)

v0.57.1

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Features

• bac0463: feat(config): add noOAuth flag to skip OAuth on public MCP servers (@ezynda3)

Bug Fixes

• f837183: fix(cmd): fix character encoding in OAuth success page (@ezynda3)
• 5f851fd: fix(ui): require double ctrl+c to quit, matching double-esc pattern (@ezynda3)
• 74f0024: fix(ui): wrap reasoning blocks to terminal width to prevent clipping (@ezynda3)

Other Changes

• 5857d40: cleanup (@ezynda3)
• b5d7fd4: update docs (@ezynda3)

v0.57.0

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Features

• c1dee3c: feat(cmd): add --set-default flag and improve auth error messages (@ezynda3)

Bug Fixes

• 3ff7010: fix(models): add gpt-5.4 reasoning level support with auto-adjustment (@ezynda3)
• 88dd216: fix(session): prevent circular parent references in tree session (@ezynda3)
• 2d9783a: fix(ui): make ctrl+c clear input before quitting (@ezynda3)

v0.56.2

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Bug Fixes

• 9e5806a: fix(subagent): remove biased model example from tool schema (@ezynda3)

v0.56.1

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Maintenance

• 50f586e: chore(models): update embedded model database from models.dev (@ezynda3)

v0.56.0

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Documentation

• 8a8e684: docs(sdk): document MCPAuthHandler and OAuth opt-in behavior (@ezynda3)

Maintenance

• 7ef99ac: refactor(sdk): remove UX policy from MCP OAuth handler (@ezynda3)

v0.55.0

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Features

• 0641c92: feat(sdk): expose generation and provider params on Options (@ezynda3)

Bug Fixes

• 4e82fac: fix(fileutil): decouple TestDetectMediaType from system MIME db (@ezynda3)
• e1c94cb: fix(sdk): align SDK max-tokens floor with CLI default (4096 → 8192) (@ezynda3)
• 53b628c: fix(sdk): map hyphenated config keys to KIT_* env vars (@ezynda3)
• ecf95b5: fix(sdk): preserve IsSet semantics for generation param overrides (@ezynda3)

Documentation

• 5ec2217: docs(sdk): document global viper state leakage in New and Options (@ezynda3)

Maintenance

• a67f514: chore(models): refresh embedded models.dev database (@ezynda3)
• 8a85172: style(sdk): gofmt trailing newlines in kit_test.go (@ezynda3)

v0.54.0

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Features

• 3bb20f5: feat(models): surface and prevent silent max-tokens truncation (@ezynda3)