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app/backend/pyproject.toml
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Melvin StroblandClaude Fable 5 8d82d6c4ec
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Let agents drive the flow API over MCP
The engine now speaks MCP at /mcp, with a built-in OAuth 2.1 authorization
server in front of it: an agent registers itself, sends a human to the browser
to approve it, and exchanges the resulting code for a token. PKCE is required,
codes are single-use and stored only as hashes, the browser is redirected to
the URI that was registered rather than the one asked for, and refresh tokens
rotate so that replaying a spent one revokes the whole line.

Twenty tools cover reading, building, publishing and running flows, and each
one calls the same REST endpoint the dashboard calls, in-process, carrying the
caller's own token. That keeps one description of what a flow is and what may
be done to it — validation, the draft/publish split, the version check — and
means an agent can do nothing a person could not do in the browser.

Agent tokens are RS256 with a keypair of their own rather than the secret that
signs browser sessions, so deleting the key withdraws every agent without
logging anyone out, and deps.decode_token grew the branch that trusting a
second issuer will need when the hosted login arrives.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-16 00:22:41 +02:00

103 lines
2.8 KiB
TOML

[project]
name = "app"
version = "0.1.0"
description = ""
# Capped below 3.14: the MCP SDK wants a newer starlette there than the
# pinned sentry-sdk allows. Lift it when sentry-sdk moves to 2.x.
requires-python = ">=3.10,<3.14"
dependencies = [
"fastapi[standard]<1.0.0,>=0.114.2",
"python-multipart<1.0.0,>=0.0.7",
"email-validator<3.0.0.0,>=2.1.0.post1",
"tenacity<9.0.0,>=8.2.3",
"pydantic>2.0",
"emails<1.0,>=0.6",
"jinja2<4.0.0,>=3.1.4",
"alembic<2.0.0,>=1.12.1",
"httpx<1.0.0,>=0.25.1",
"psycopg[binary]<4.0.0,>=3.1.13",
"sqlmodel<1.0.0,>=0.0.21",
"pydantic-settings<3.0.0,>=2.2.1",
"sentry-sdk[fastapi]<2.0.0,>=1.40.6",
"pyjwt<3.0.0,>=2.8.0",
"pwdlib[argon2,bcrypt]>=0.3.0",
"numpy>=2.2.6",
"redis>=7.1.0",
"cryptography>=44.0.0",
"aiomqtt>=2.0.0",
"influxdb-client[async]>=1.40.0",
"croniter>=1.3.0",
"mcp>=1.29,<2",
]
[dependency-groups]
dev = [
"pytest<8.0.0,>=7.4.3",
"mypy<2.0.0,>=1.8.0",
"ruff<1.0.0,>=0.2.2",
"prek>=0.2.24,<1.0.0",
"coverage<8.0.0,>=7.4.3",
]
[build-system]
requires = ["hatchling"]
build-backend = "hatchling.build"
[tool.mypy]
strict = true
exclude = ["venv", ".venv", "alembic"]
# app/flow/nodes.py still carries the prototype's node classes: the integration
# nodes need annotations of their own, plus stubs for croniter and influxdb_client.
# It is being revisited per integration; every module around it is checked strictly.
[[tool.mypy.overrides]]
module = ["app.flow.nodes"]
ignore_errors = true
[tool.ruff]
target-version = "py310"
exclude = ["alembic"]
[tool.ruff.lint]
select = [
"E", # pycodestyle errors
"W", # pycodestyle warnings
"F", # pyflakes
"I", # isort
"B", # flake8-bugbear
"C4", # flake8-comprehensions
"UP", # pyupgrade
"ARG001", # unused arguments in functions
"T201", # print statements are not allowed
]
ignore = [
"E501", # line too long, handled by black
"B008", # do not perform function calls in argument defaults
"W191", # indentation contains tabs
"B904", # Allow raising exceptions without from e, for HTTPException
]
[tool.ruff.lint.per-file-ignores]
# Node functions take `params` whether or not they use it — that is the
# contract the engine calls them with.
"app/flow/nodes.py" = ["ARG001", "ARG002"]
"tests/flow/*" = ["ARG001"]
# Printing is what this one is about: node code is user code, and `print` is
# how it says things.
"tests/flow/test_logs.py" = ["ARG001", "T201"]
[tool.ruff.lint.pyupgrade]
# Preserve types, even if a file imports `from __future__ import annotations`.
keep-runtime-typing = true
[tool.coverage.run]
source = ["app"]
dynamic_context = "test_function"
[tool.coverage.report]
show_missing = true
sort = "-Cover"
[tool.coverage.html]
show_contexts = true