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SYNTARO MCP — label a GitHub issue, get a fix PR

Open-source MCP server + agent skills for SYNTARO: an AI bot that investigates a labeled GitHub issue, writes a fix with regression tests, and opens a pull request. Any MCP-capable agent (OpenCode, Claude Code, Cursor, Codex) can drive it.

  • Hosted endpoint (target, pending deploy): https://mcp.syntaro.io/sse (SSE) and https://mcp.syntaro.io/mcp (streamable HTTP) — DNS is not live yet, so run it yourself below or deploy with docs/HOSTING.md, then update server.json transports to the live URLs.

  • npm: @aimino/syntaro-mcp (see docs/PUBLISHING.md)

  • Skills: skills/syntaro (submit→poll loop) plus cavecrew / caveman / ponytail (plan-first + verification-tail discipline) and automation-testing.

  • License: AGPL-3.0-only (LICENSE).

30-second start (local stdio)

pip install -r requirements.txt
python -m syntaro_mcp.server stdio

Or via npm (runs the same Python server under the hood):

npm install -g @aimino/syntaro-mcp
npx syntaro-mcp stdio

Register with your agent — bash install.sh --opencode (also --claude, --cursor, --codex), or point a remote client at the hosted endpoint:

{ "mcpServers": { "syntaro": { "url": "http://localhost:4095/sse" } } }

Remote (after deploy): replace the URL with https://mcp.syntaro.io/sse.

Full client matrix: docs/INSTALL.md.

Related MCP server: GitPilot MCP

Tools

Tool

What it does

syntaro_label_issue

Label a GitHub issue (syntaro:fix or custom)

syntaro_run_fix

Trigger the fix pipeline for an issue URL → run_id

syntaro_check_status

Poll a fix run by run_id

syntaro_get_pr

PR URL + details for a completed run

syntaro_list_issues

Tracked issues with fix status

syntaro_search_codebase

Symbol/file/pattern search

syntaro_linear_ticket / syntaro_linear_create_ticket

Linear ticket check + create

syntaro_memory_read / syntaro_memory_write

Persistent agent memory files

syntaro_slack_send

Post to a Slack channel/thread

syntaro_session_resume

Rehydrate a conversation's MEMORY.md

Resources: syntaro://runs/{run_id}, syntaro://issues/{issue_id}.

Configuration

Variable

Purpose

Default

SYNTARO_API_URL

Syntaro backend for fix runs

https://api.syntaro.io

SYNTARO_API_KEY

Backend auth (remote SSE clients send it as a header)

GITHUB_TOKEN

GitHub auth for labeling

LINEAR_API_KEY

Enables linear_* tools

— (tools report "not configured")

SLACK_BOT_TOKEN

Enables slack_send

MEMORY_DIR

memory_* storage

/tmp/symphony-workspaces/memory

SYNTARO_MCP_PORT

SSE port

4095

MCP_API_KEY

Optional shared secret for the hosted endpoint

No secrets ship in this repo — everything arrives via env at runtime.

Hosted mode

docker build -t syntaro-mcp .
docker run -p 4095:4095 -e SYNTARO_API_KEY=... syntaro-mcp
curl localhost:4095/health   # {"status":"ok","service":"syntaro-mcp"}

Cloud Run + custom domain: docs/HOSTING.md. Marketplace releases (npm, MCP registry, Smithery, Glama): docs/PUBLISHING.md.

Repo layout

syntaro_mcp/        Python MCP server (FastMCP): server, handlers, agent_handlers
workers/            Pipeline client (hosted API first, embedded engine fallback)
skills/             Agent skills (syntaro + workflow skills)
.claude-plugin/     Claude marketplace manifest
server.json         MCP registry manifest
smithery.yaml       Smithery deploy config (+ Dockerfile.smithery)
index.js            npm wrapper (spawns the Python server)
deploy/             Cloud Run service + deploy script
docs/               HOSTING / PUBLISHING / INSTALL / Glama listing

Contributing / Security

See CONTRIBUTING.md and SECURITY.md. The commercial platform (webhook server, billing, dashboard) lives in the private monorepo; this repo is the full open-source distribution surface.

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