mirror of https://github.com/langbot-app/LangBot.git synced 2026-08-15 23:10:59 +00:00

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T

Junyan Chin e9dd584792 feat: MCP server + in-repo skills (agent-friendly platform) (#2269 )

* feat(api): support global API key from config.yaml (api.global_api_key)

Accept a config-defined global API key anywhere a web-UI key is accepted
(X-API-Key / Bearer), with no login session and no DB record. Useful for
automated deployments and AI agents (HTTP API + MCP). Defaults to empty
(disabled); does not require the lbk_ prefix.

- templates/config.yaml: add api.global_api_key with security notes
- service/apikey.py: verify_api_key checks global key first (constant-time)
- docs/API_KEY_AUTH.md: document the global key + security guidance
- tests: cover global-key match, prefix-free, fallback-to-db, disabled

* feat(mcp): expose LangBot management as an MCP server at /mcp

Add an MCP (Model Context Protocol) server so external AI agents can manage a
LangBot instance. Reuses the same API-key auth as the HTTP API (including the
config.yaml global API key).

- pkg/api/mcp/server.py: FastMCP server wrapping the service layer; 21 curated
  tools across system/bots/pipelines/models/knowledge/mcp-servers/skills
- pkg/api/mcp/mount.py: ASGI dispatcher fronting Quart; authenticates /mcp
  requests with an API key, runs the streamable-HTTP session manager lifespan
- controller/main.py: serve the wrapped ASGI app via hypercorn (was run_task)
- web: new 'MCP' tab in the API integration dialog showing endpoint, auth, and
  client config; i18n for 8 locales
- tests/manual/mcp_smoke.py: e2e check (401 unauth, list tools, call tools)

Tool surface is intentionally curated (not all ~25 route groups) to keep the
agent surface small, safe, and maintainable. Extend deliberately.

* feat(skills): add in-repo skills/ as the single source of truth

Migrate the agent skills + QA/e2e test harness from the (now archived)
langbot-app/langbot-skills repo into LangBot/skills/, and add four new skills.

Migrated:
- langbot-plugin-dev, langbot-testing (e2e), langbot-env-setup,
  langbot-skills-maintenance, langbot-eba-adapter-dev
- the bin/lbs CLI (src/, test/, scripts/, schemas/, qa-agent-docs/)

New:
- langbot-dev      core backend + web development
- langbot-deploy   Docker/K8s deployment + config.yaml + global API key
- langbot-mcp-ops  operating the LangBot MCP server (/mcp)
- langbot-space-ops operating the Space marketplace MCP server

- src/cli.ts repoRoot(): recognize the skills assets root (skills.index.json +
  bin/lbs) so the CLI works when nested inside the LangBot repo
- README.md: unified skill catalog; skills.index.json regenerated

Parity with source verified: bin/lbs validate + node test suite match the
source repo (only the uncommitted .lbpkg build-artifact fixture differs).

* docs(agents): document agent-facing surfaces + API/MCP/skills sync rule

* docs(readme): add 'Built for AI Agents' section across all locales

Highlight MCP server, in-repo skills (single source of truth), AGENTS.md
sync rule, and llms.txt. Cross-link LangBot Space MCP marketplace.

* style(mcp): fix ruff format + prettier lint in MCP server and API panel

* style(web): prettier format MCP i18n locale entries

* docs(skills): note MCP instance control in dev/testing skills

All development-guidance skills now point to the LangBot instance MCP
server (/mcp) and the Space marketplace MCP server, reusing API keys.

2026-06-20 15:14:47 +08:00

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Playwright MCP Browser Path

Use this path when the agent needs browser automation but no Computer Use browser-control path is available.

Known Paths

Persistent browser profile: LANGBOT_BROWSER_PROFILE from skills/.env.local
Chromium executable: LANGBOT_CHROMIUM_EXECUTABLE from skills/.env.local
Codex MCP config: $CODEX_HOME/config.toml or the config path used by the active agent.

MCP Config

Keep the profile path fixed so the agent can reuse authenticated state.

[mcp_servers.playwright]
command = "npx"
args = ["-y", "@playwright/mcp@latest", "--no-sandbox", "--executable-path", "<LANGBOT_CHROMIUM_EXECUTABLE>", "--proxy-server", "<LANGBOT_PROXY_SOCKS>", "--proxy-bypass", "localhost,127.0.0.1", "--user-data-dir", "<LANGBOT_BROWSER_PROFILE>"]

After changing MCP config, restart Codex so the MCP server is relaunched with the new args.

For OAuth login, Playwright MCP's headless browser is not enough. Launch a visible browser with the same profile and let the user complete login. Use oauth-browser-profile.md.

Common Failures

MCP still uses old args after editing config: restart Codex or kill old playwright-mcp processes and restart the session.
Browser is headless during OAuth: use the visible login command from oauth-browser-profile.md.

1.3 KiB Raw Blame History

Playwright MCP Browser Path

Known Paths

MCP Config

Visible Login

Common Failures

1.3 KiB

Raw Blame History