6431076012
* docs(self-hosting): correct the PostgreSQL extension requirements The docs claimed Multica requires pgvector and told operators to run `CREATE EXTENSION IF NOT EXISTS vector`. Nothing in the codebase uses it: across all 429 migrations there is no `vector` column and no migration creating the extension, and no Go package imports a pgvector driver. On a stock PostgreSQL 17 that `CREATE EXTENSION` fails outright, so the instruction actively blocked the "use your own PostgreSQL" path it appeared in. There are exactly four `CREATE EXTENSION` statements in the migration set. `pgcrypto` (001) and `pg_trgm` (137) are bare statements that fail the migration when missing; both ship with every standard PostgreSQL 17 build. `pg_bigm` (032) and `pg_cron` (076) are wrapped in `DO ... EXCEPTION` and skip gracefully. Document all four with their real status, and note that a `schema_migrations` row does not prove a conditionally skipped object exists. `pg_bigm` is described as what it actually is — a CJK search-quality improvement, not a correctness requirement. Migrations 138-142 install portable `pg_trgm` fallback indexes covering every column the search handlers touch, so a deployment without `pg_bigm` still searches on an index. References to the bundled image name are left alone: those describe which image the compose file pulls, which is still accurate. The Helm chart description and values comment are updated because they present pgvector as part of the stack rather than as an image name. Co-authored-by: sail-cn <[email protected]> Co-authored-by: multica-agent <[email protected]> * docs(self-hosting): document the local disk attachment storage variables The File Storage section only covered S3 and CloudFront, but local disk is what the backend uses whenever `S3_BUCKET` is unset — every default self-host install. `LOCAL_UPLOAD_DIR` and `LOCAL_UPLOAD_BASE_URL` were absent from the self-hosting docs. The default `./data/uploads` resolves against the backend's working directory. Inside the bundled image that is `/app`, where the compose file mounts the `backend_uploads` volume, so it happens to be correct. Running the binary manually resolves it against whatever directory the process was launched from, which silently scatters attachments as that directory changes and leaves `attachment` rows pointing at files the server no longer looks for. Co-authored-by: sail-cn <[email protected]> Co-authored-by: multica-agent <[email protected]> * docs(search): fix the migration numbers in the statement-timeout comment The comment on `searchStatementTimeout` cited migration 134 as the one that installed the extensions the search fast path needs. 134 is `134_runtime_profile_add_qoder`, which widens a `protocol_family` CHECK constraint and has nothing to do with search. The migration that runs `CREATE EXTENSION IF NOT EXISTS pg_trgm` is 137. The referenced index list is also extended to 137-142: 137 only installs the extension, while the trigram indexes themselves are created by 138-142. Co-authored-by: sail-cn <[email protected]> Co-authored-by: multica-agent <[email protected]> --------- Co-authored-by: Bohan-J <[email protected]> Co-authored-by: sail-cn <[email protected]> Co-authored-by: multica-agent <[email protected]>
14 KiB
Multica
Agents that show up on the board.
Multica is an open-source workspace where you assign work to AI coding agents the way you'd assign it to a teammate — they pick up the issue, report progress, raise blockers, and hand it back for review. Self-hostable, works with 23 agent CLIs, no lock-in.
Website · Docs · Quickstart · Download · Vision · Self-Hosting · Discord · X
English | 简体中文
Your next 10 hires won't be human.
What is Multica?
You already run Claude Code, Codex, and three other agents. Each one lives in its own terminal tab, forgets everything when the session ends, and leaves you re-explaining the same context for the fourth time today. The more agents you add, the more of your day goes to babysitting them.
Multica puts those agents and your teammates in one workspace. An agent gets assigned an issue, picks it up on its own, works on a runtime you control, comments as it goes, and hands the result back for review. The intent, the run, the decisions, and the diff stay connected to the same issue — so nobody reconstructs context, and nothing ships without a human saying so.
Build the team.
Claude Code, Codex, Cursor, Kimi — you don't pick one. You hire them all.
- 23 agent CLIs → Claude Code, Codex, Cursor, Copilot, Kimi, OpenCode, and more.
- Agents as teammates → Give each one a name, a provider, and a runtime — they show up on the board like anyone else.
- Squads → Put agents and people on one team; the leader routes the work.
- Skills → Turn a solved problem into a playbook every agent reuses.
- Your own runtime → Their desk is your machine — a daemon on your laptop or cloud box. Code never leaves it.
Hand off the work.
It starts as three rough sentences in an issue. It ends as a pull request.
- Assign an issue → Pick an agent as assignee the way you'd pick a colleague — it takes the work from there.
- Autopilots → Run standups, audits, and reports on a cron — nobody to remind.
- Chat → Ask your workspace a question, or start work without filing anything.
- Projects → Group work and attach the repos and docs agents need as context.
Stay in the loop.
Which agent touched this? What did it run? What did it cost? Open the run.
- Execution log → Replay every tool call, command, and error, timestamped.
- Token usage → See what each run cost, per agent and per issue.
- Review gates → Work lands in review, not in main. You decide what ships.
- Inbox → Get pinged when an agent needs a call, not for every step.
- Retries and timeouts → Failed runs retry on their own, or stop and tell you why.
Make it yours.
Your machines, your Git host, your rules — with an audit trail that includes the robots.
- Self-host everything → Docker Compose or Helm, on your own infrastructure.
- Any Git host → GitHub, GitLab, Gitea, or Forgejo — self-hosted included.
- Workspaces → Separate agents, issues, and settings per team.
- Roles and access scopes →
owner,admin, andmember— and exactly which agents each member can run. - Security model → What an agent can reach, and what it can't.
- Slack, Lark, DingTalk, WeCom, and Telegram → Trigger and follow agent work where your team already talks. DingTalk, WeCom, and Telegram are community-maintained.
- Web, desktop, and mobile → The same workspace on macOS, Windows, Linux, and iPhone — iOS builds from source today, not yet on the App Store.
- CLI and API → Every surface is scriptable. Agents drive Multica through the same CLI you do.
Get started
No terminal required: sign up at multica.ai, or download Multica Desktop for macOS, Windows, and Linux — it connects the computer it runs on as a runtime automatically.
The one prerequisite: the machine that will run agents needs at least one supported agent CLI installed and signed in — Claude Code, Codex, Cursor, and friends. Multica drives them; it doesn't ship them.
Self-hosting the whole thing
curl -fsSL https://raw.githubusercontent.com/multica-ai/multica/main/scripts/install.sh | bash -s -- --with-server
multica setup self-host
On Windows, set $env:MULTICA_MODE="with-server", then run the PowerShell installer:
irm https://raw.githubusercontent.com/multica-ai/multica/main/scripts/install.ps1 | iex.
This pulls the official images from GHCR and requires Docker. See the
Self-Hosting Guide; if the selected GHCR tag has not been published yet,
fall back to make selfhost-build from a checkout.
Your first agent in five minutes
1. Sign in. multica.ai in the browser, or open Multica Desktop.
2. Connect a computer. A runtime is any machine agents can work on — your laptop, or a cloud box. Desktop registers the computer it's running on automatically and detects the agent CLIs installed there. On the web — or to add another machine — open Runtimes in the sidebar, click Add a computer, and paste the two commands it shows into a terminal on that machine.
3. Create an agent. Open Agents in the sidebar and click New agent. Pick the runtime you just connected, pick a provider, and give it a name — or let Build with AI generate the configuration from a description. That name is how it shows up on the board and in comments.
4. Assign it something. File an issue and set the agent as assignee. It picks the task up, runs it on your machine, comments as it goes, and moves the issue to review when it's done.
Full walkthrough: Quickstart · Tutorial
Runtimes
Multica does not ship a model. It drives the agent CLIs you already have installed and authenticated, so switching providers is a dropdown, not a migration.
| Provider | CLI | Provider | CLI |
|---|---|---|---|
| Claude Code | claude |
OpenAI Codex | codex |
| Cursor Agent | cursor-agent |
GitHub Copilot CLI | copilot |
| OpenCode | opencode |
OpenClaw | openclaw |
| Hermes | hermes |
Pi | pi |
| Antigravity | agy |
CodeBuddy | codebuddy |
| DevEco Code | deveco |
Grok | grok |
| Kimi | kimi |
Kiro CLI | kiro-cli |
| Qoder CLI | qodercli |
Qoder CN | qoderclicn |
| Qwen Code | qwen |
QwenPaw | qwenpaw |
| Reasonix | reasonix |
Trae CLI | traecli |
| DeepSeek Harness | dsh |
Oh-My-Pi | omp |
| MiniMax Code | mcode |
— | — |
| Dim | dim |
Installing and authenticating them: Install an agent runtime · Providers
Documentation
| I want to… | Start here |
|---|---|
| Get an agent doing something today | Quickstart · Tutorial |
| Understand how the pieces fit | Core concepts · How Multica works |
| Create and configure agents | Agents · Create an agent · Skills |
| Get work to an agent | Triggering agents · Assigning issues · Mentions |
| Connect my machines | Daemon and runtimes · Install an agent runtime |
| Connect Git and chat tools | GitHub · Self-hosted Git · Channels |
| Run it on my own infrastructure | Self-hosting · Security model · Environment variables |
| Script it | CLI reference · CLI and daemon guide · Auth tokens |
| Drive Multica from Codex, Claude Code, or Cursor | Multica CLI skill |
| Work out why an agent is stuck | Tasks · Troubleshooting |
Architecture
Web · Desktop (macOS/Windows/Linux) · iOS
│
▼
┌──────────────┐ ┌──────────────┐ ┌──────────────────┐
│ Next.js │──>│ Go backend │──>│ PostgreSQL │
│ frontend │<──│ (Chi + WS) │<──│ (17) │
└──────────────┘ └──────┬───────┘ └──────────────────┘
│ tasks over WebSocket
┌──────┴───────┐
│ Agent daemon │ runs on your machine, next to your code
└──────┬───────┘
│ spawns
┌──────┴───────────────────────────────┐
│ Claude Code · Codex · Cursor · … │
│ (any of the 23 runtimes above) │
└──────────────────────────────────────┘
| Layer | Stack |
|---|---|
| Web | Next.js 16 (App Router) |
| Desktop | Electron, sharing the web UI packages |
| Mobile | Expo / React Native (iOS) |
| Backend | Go (Chi router, sqlc, gorilla/websocket) |
| Database | PostgreSQL 17 (pgcrypto + pg_trgm) |
| Agent runtime | Local daemon executing any of the 23 agent CLIs above |
Development
Contributors: start with the Contributing Guide.
Prerequisites: Node.js 22, pnpm 10.28.2, Go 1.26.6, Docker
make dev
make dev auto-detects your environment (main checkout or worktree), creates the env file,
installs dependencies, sets up the database, runs migrations, and starts every service.
See CONTRIBUTING.md for the full workflow, worktree support, testing, and
troubleshooting. The iOS client lives in apps/mobile/ — its
README covers building it onto your own iPhone.
We release most weekdays, so main moves quickly — pull often.
Why "Multica"?
Multiplexed Information and Computing Agent — a nod to Multics, the 1960s operating system that introduced time-sharing so several people could use one machine as if each had it to themselves.
Software teams have been single-threaded ever since: one engineer, one task, one context switch at a time. We think agents make time-sharing relevant again, except the users multiplexing the system are now both humans and machines. A small team shouldn't feel small.
The longer argument, and where we think this goes: VISION.md.
License
Multica License — the complete Apache License 2.0 text plus additional conditions covering hosted services, commercial embedding, and branding. Self-host it, modify it, build on it; the exact terms are in the LICENSE, attribution notices in NOTICE.