New agent candidates, 2026-09-29

Method: reused the 2026-09-11 refresh. About 30 gh search repos queries and 13 topic searches (stars>9000, sorted by stars), a created>2026-06-01 sweep, GraphQL/REST verification of stars, pushedAt and archived state, README reads for every shortlisted repo, plus 2 web searches (which found nothing new). Cutoff for staleness: pushedAt >= 2026-06-29. Star and push data are live as of 2026-09-29.

Outcome

Three clear additions and one borderline. The list is nearly saturated: after the 09-11 refresh, the only new qualifying repo published since then is a vendor agent (Xiaomi MiMo Code). The other two are older repos the prior run did not catch (Open SWE, PR-Agent).

Stars	owner/repo	pushedAt	Verdict
13,541	XiaomiMiMo/MiMo-Code	2026-09-28	Add (new vendor agent)
13,179	The-PR-Agent/pr-agent	2026-09-28	Add (review agent, same precedent as alibaba/open-code-review)
10,772	langchain-ai/open-swe	2026-09-29	Add (close to the 10k floor)
10,879	openai/codex-security	2026-09-29	Borderline, your call

Ready-to-paste YAML

  - owner: XiaomiMiMo
    repo: MiMo-Code
    description: "Terminal coding assistant from Xiaomi with persistent project memory, subagents and any OpenAI-compatible provider"
    tags: [terminal, byo-model, interactive, mcp, headless, vendor]
    notes: Fork of opencode; a separate desktop beta is advertised but not tagged
  - owner: The-PR-Agent
    repo: pr-agent
    description: "Code review agent for pull requests on GitHub, GitLab, Bitbucket and more, run via CLI, GitHub Action or webhook"
    tags: [terminal, self-hosted, byo-model, local-models, review, headless, community]
    notes: Community-maintained legacy project of Qodo, not the Qodo product
  - owner: langchain-ai
    repo: open-swe
    description: "Asynchronous coding agent that investigates issues, opens pull requests and reviews them, built on LangChain Deep Agents"
    tags: [self-hosted, web, byo-model, autonomous, review, mcp, community]
    notes: Under active development; README says no external issues or contributions accepted

Borderline (paste only if you accept a security scanner as "reviews code"):

  - owner: openai
    repo: codex-security
    description: "OpenAI CLI and SDK that scans code for security vulnerabilities, validates findings and proposes fixes"
    tags: [terminal, single-vendor, review, headless, vendor]

Tag evidence

MiMo-Code (MIT): README says "terminal-native AI coding assistant", "connecting to any mainstream LLM provider API" and Custom Provider for any OpenAI-compatible API (byo-model), MCP server connections, and a mimo run headless mode. Xiaomi MiMo is a model lab, so vendor. I did not tag local-models, acp or editor-plugin because the README shows no support. The "ACP" hit is a Windows code page.
pr-agent (Apache-2.0): README lists CLI local usage, GitHub Action, Docker, self-hosted, webhooks, and any model via LiteLLM including Ollama. It is a code review agent, so review. Qodo describes it as community-maintained, hence community.
open-swe (MIT): README describes investigate, implement, open PR, and separate PR review. Triggers are dashboard, GitHub, Slack, and Linear via MCP. Models and sandboxes are configurable. Deployed as a team server. LangChain is not a model lab, so community. Terminal is omitted although a CLI exists, because it needs a deployed server; add it if you prefer.
codex-security (Apache-2.0): README says CLI and SDK for "finding, validating, and fixing security vulnerabilities", CI via API key. It needs Trusted Access for Cyber for some requests.

Near-misses and rejections

Out of scope (criterion 1, not an agent that writes, edits or reviews code):

openai/symphony 27.5k: orchestrates agent runs.
coleam00/Archon 23.6k: harness builder.
github/spec-kit 139k: spec-driven toolkit.
anywhere-labs/dsh-desktop 29.4k and dataelement/dsh-desktop 10.4k: desktop shells around the already tracked deepseek-harness, so wrappers.
EKKOLearnAI/ekko-studio 11.2k: workspace for running other agents.
yc-software/qm 15.3k: Slack/web multiplayer general work agent.
OpenBMB/ChatDev 34.4k: README says it is now a zero-code multi-agent orchestration platform.
Fosowl/agenticSeek 27.4k: general Manus-style assistant (web browsing, planning), Python.
FoundationAgents/OpenManus 58.4k, lsdefine/GenericAgent 14.3k, NousResearch/hermes-agent 249.9k: general agents.
Untrivial-ai/agent-orchestrator 12.5k, omnigent-ai/omnigent 10.3k, nexu-io/open-design 98.5k, cloudflare/security-audit-skill 22.8k, langchain-ai/openwiki 16.8k (docs writer), DietrichGebert/ponytail 147.7k (prompt skill): orchestrators, plugins, skills or non-coding.
Previously rejected and unchanged: claw-code, oh-my-openagent, ruflo, orca, superset, vibe-kanban, herdr, cc-switch, routers and skill packs.

Below 10k: mistralai/mistral-vibe 5.0k, gptme/gptme 4.4k, cloudflare/vibesdk 5.4k, vercel-labs/open-agents 5.8k, dagger/container-use 4.0k, sweepai/sweep 7.7k (also stale).

Stale or archived: microsoft/vscode-copilot-chat 9.97k (archived, last push 2026-05-20), firecrawl/open-lovable 28.6k (last push 2025-11-19), stackblitz-labs/bolt.diy 19.9k (2026-02-07), and the abandoned repos rejected on 09-11.

Limitations

Discovery relies on GitHub search ranking. A qualifying repo with no matching keywords or topics and no appearance in the 09-11 probe could be missed.
Scope calls on review-only and security tools are judgment; the criteria wording ("writes, edits, or reviews") supports pr-agent, and codex-security is the weakest case.
Web search returned no new vendor agents beyond what GitHub already showed.

Unresolved questions

Include openai/codex-security (security scanner and fixer) as a reviewing agent?
Should open-swe also carry terminal, given the CLI needs a deployed backend?

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