Add agent harnesses using AI SDK HarnessAgent

Pull Requests/vercel-labs/open-agents/#890

Add agent harnesses using AI SDK HarnessAgent

Add agent harnesses using AI SDK HarnessAgent in vercel-labs/open-agents.

Open

blurrahwants to merge intofrom

67 commits155 files changed+13211-1111

Uses the new AI SDK harness support to add agent harnesses like:

Codex
Claude Code
Pi

Tries to map to Open Agents tool calls where possible. Also adds snapshot pre-warming.

Activity

feat(sandbox): expose workspace adapter for agent harnesses

cddfceaJun 4

feat(chat): add per-chat agent harness selection

565cd0aJun 4

docs: add chat harness integration handoff

ed2bad5Jun 4

vercel[bot]5mo ago

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
open-agents	Ready	Preview, v0	Aug 29, 2026 7:25am

socket-security[bot]5mo ago

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	npm/@vercel/sandbox@2.2.1
	npm/@ai-sdk/openai@4.0.37
	npm/@ai-sdk/react@4.0.62
	npm/@ai-sdk/provider-utils@5.0.26
	npm/workflow@5.0.0-beta.12
	npm/@workflow/ai@5.0.0-beta.6
	npm/@ai-sdk/elevenlabs@3.0.27
	npm/@ai-sdk/anthropic@4.0.37
	npm/@ai-sdk/harness-pi@1.0.66
	npm/@ai-sdk/harness-codex@1.0.67
	npm/@ai-sdk/harness-claude-code@1.0.67
	npm/@ai-sdk/sandbox-vercel@1.0.65
	npm/@ai-sdk/harness@1.0.65
	npm/ai@7.0.59

View full report

feat(sandbox): add snapshot preparation hook

75a594dJun 4

feat(sandbox): prepare agent harness snapshot profile

6a26825Jun 4

feat(sandbox): prewarm deployment templates on build

5a13799Jun 4

feat(harness): add codex smoke command

3c56891Jun 4

feat(sandbox): add harness smoke sandbox creation

3800f49Jun 4

refactor(sandbox): extract harness provider and snapshot lifecycle

3a7faa5Aug 11

refactor(agent): consume shared modules and dedupe tool-context wiring

f995a8dAug 11

refactor(harness-runner): registry, module decomposition, typed boundary

f39e997Aug 11

docs(agents): update tool-context pattern and harness tracing notes

53efb9eAug 11

refactor(scripts): share CLI helpers and drop the profile wrapper

d9b1cc9Aug 11

refactor(web): consolidate the harness registry and typed tool input

d3fac26Aug 11

refactor(web): extract the harness step and harden the internal API

e987321Aug 11

fix(web): make the consolidated harness migration idempotent

4e50ab6Aug 11

Fix DeepSec findings on the internal harness runner (#901)

0ea2e11Aug 29

vercel-security-reviewer[bot]2mo ago

Security review: https://vercel.slack.com/archives/C0BSEH6GB18/p1787988636410639