Hemang
05e09331e9
Address comments on PR and update README.
2025-06-04 11:46:35 +02:00
Hemang
cc3e96c20a
Clean up MCP tests and clients.
2025-06-04 11:46:35 +02:00
Hemang
f6ba31ab2e
Move util methods to MCPTransportBase.
2025-06-04 11:46:35 +02:00
Hemang
7ec13ad852
Create StreamableTransport class for MCP Streamable http transport. This subclasses MCPTransportBase.
2025-06-04 11:46:35 +02:00
Hemang
2e6f669923
Create SSETransport class for MCP SSE transport. This subclasses MCPTransportBase.
2025-06-04 11:46:35 +02:00
Hemang
7efd15e2a9
Move MCP related routes to the MCP directory and introduce the MCPTransportBase class.
2025-06-04 11:46:35 +02:00
Hemang
e8106776b4
Refactor stdio implementation to use McpSession class.
2025-06-04 11:46:35 +02:00
Hemang
6849fc7daa
Update McpSession class so that it can be used from both sse/streamable and stdio transports. Also update SseHeaderAttributes to McpAttributes so that it be can be used different MCP transports.
2025-06-04 11:46:35 +02:00
Hemang
96826fa06d
Cleanup some code in test_mcp.py
2025-05-27 23:11:57 +02:00
Hemang
bfb57029e6
Small cleanups.
2025-05-27 23:11:57 +02:00
Hemang
ab3fb98b67
Add blocking and logging related tests for MCP streamable HTTP route.
2025-05-27 23:11:57 +02:00
Hemang
115ae5f36b
Add tests for MCP streamable HTTP route for json/sse and stateless/stateful servers.
2025-05-27 23:11:57 +02:00
Hemang
34979ed18d
Move hook_tool_call and hook_tool_call_response to mcp_utils.py so that it can be used by both SSE and Streamable implementations.
2025-05-27 23:11:57 +02:00
Hemang
6e61a76168
Add blocking and logging of guardrails for MCP Streamable http route.
2025-05-27 23:11:57 +02:00
Hemang
20adc7804b
Accep the invariant api key in the header for sse gateway and use it for guardrailing and pushing to explorer.
2025-05-27 23:11:57 +02:00
Hemang
71e2ac9a06
Add implementation for MCP streamable GET, POST and DELETE endpoints without push to explorer or guardrailing.
2025-05-27 23:11:57 +02:00
Hemang
f8bf7be405
Add mcp_streamable route and refactor some common code between sse and streamable. Update tests for 400 errors in sse.
2025-05-27 23:11:57 +02:00
Hemang
5b68e80be5
Add MCP client and server name when calling fetch_guardrails_from_explorer in SSE.
2025-05-22 10:29:59 +02:00
Hemang
03817b005c
Update metadata in MCP SSE similar to what we do in MCP stdio.
2025-05-21 22:45:59 +02:00
Luca Beurer-Kellner
177d247a83
Update pyproject.toml
2025-05-21 16:46:43 +02:00
Luca Beurer-Kellner
04d0b70c48
use metadata client to fetch policies
2025-05-21 16:28:06 +02:00
Hemang
169eb066b9
Small cleanups in sse and stdio MCP implementation.
2025-05-21 15:58:22 +02:00
Luca Beurer-Kellner
418c873e04
Update pyproject.toml
2025-05-21 10:05:48 +02:00
Luca Beurer-Kellner
c1112b91fc
use windows select ( #56 )
...
* use windows select
* factor out platform-specific stdin waiting
2025-05-21 09:43:00 +02:00
Luca Beurer-Kellner
2060f18b0a
Update pyproject.toml
2025-05-19 14:22:56 +02:00
Luca Beurer-Kellner
e18c6b5bdb
Add an option to add extra metadata that is pushed and passed to Guardrails during an MCP session ( #47 )
...
* use select() before readline
* support for setting static metadata for MCP sessions
* nest extra mcp metadata in metadata object
* unify session metadata
* extra metadata tests
* use empty object as parameters, if None
* list_tools as tool call
* offset indices in tests
* test: adjust addresses
* mcp: make error reporting configurable
* line logging
* log version
* verbose logging + loud exception failure
* add server and client name to policy get
* append trace even if not pushing
* port tools/list message support to SSE
* use python -m build
* adjust guardrail failure address
* support for blocking tools/list in SSE
* use error-based failure response format by default
* tools/list test
* don't list_tools in stdio connect
* flaky test: handle second possible result in anthropic streaming case
---------
Co-authored-by: knielsen404 <kristian@invariantlabs.ai >
2025-05-19 13:44:37 +02:00
Hemang
4dbb400620
Move invariant api key check to __main__.py so that the same check can work for both mcp and server commands.
2025-05-16 14:33:00 +05:30
Hemang
f33b2392f6
Fix the Dockerfle for gateway to copy correctly.
2025-05-16 14:33:00 +05:30
Hemang
780e5f6ee7
Skip test_generate_content_with_image for gemini. Getting 500.
2025-05-16 14:33:00 +05:30
Hemang
876eb44c78
Make MCP stdio gateway fully async. With sync and async mixed behaviour for running background tasks we were running into issues.
2025-05-16 14:33:00 +05:30
Hemang Sarkar
a6c1124076
Update test_mcp.py
2025-05-15 15:00:31 +05:30
Hemang Sarkar
0ffde69391
Fix test_mcp_sse_with_gateway_hybrid_guardrails so that we don't rely on order of annotations.
2025-05-15 15:00:31 +05:30
Hemang
a214837b1e
Add message to session store for MCP sse in post path before returning.
2025-05-14 15:44:52 +02:00
Hemang Sarkar
fefc22eea0
Update test_mcp.py to include the transport parameter in the hybrid guardrails test.
2025-05-14 15:32:05 +02:00
Hemang
e32ec74ed2
Fix paths to pyproject.toml and README in dockerfile.gateway. Also update context in publish-images.yml
2025-05-14 18:05:14 +05:30
Hemang
ed50670bef
Add MCP gateway tests with hybrid guardrails (both blocking and logging). Also refactor tests so that we can parameterize the transport type - stdio or sse.
2025-05-14 18:05:14 +05:30
Hemang
8eae198eb0
Add integration tests for MCP SSE via gateway with guardrails.
2025-05-14 14:21:48 +05:30
Hemang
e2e004b7b1
Move dockerfiles inside gateway/ and update main CLI script to be able to run build, up, down and logs on a local gateway server instance.
2025-05-14 14:21:48 +05:30
Hemang Sarkar
73de68e822
Update tests_ci.yml with a timeout at the job level.
2025-05-12 15:36:33 +02:00
Hemang
dbab86e0ac
Fix broken tests.
2025-05-09 12:17:14 +05:30
Hemang
edd9fd9a5c
When tool_call is blocked in MCP Post method, add the error message to a pending error messages list. Create two queues in the MCP SSE Get endpoint which correspond to the MCP server events and these pending error messages. These two queues are merged to return events back to the client.
2025-05-09 11:05:33 +05:30
Hemang
794aae0326
Add MCP guardrailing for SSE.
2025-05-08 20:40:28 +05:30
Hemang
40ec6d2db2
Add MCP SSE server proxying in gateway.
2025-05-08 14:11:22 +05:30
Hemang
132eedab0a
Update tests_ci.yml so that the CI run fails even when unit tests fail.
2025-05-07 02:03:06 +05:30
Hemang
d057aa5c37
Add httpx as unit test dependencies.
2025-05-07 01:27:13 +05:30
Hemang
1f6e2ed7fb
Update streaming in anthropic route to handle chunks with incomplete events. Introduce an sse_buffer which keeps track of the current incomplete event from the last processed chunk.
2025-05-07 01:08:15 +05:30
Hemang
aec7808e3e
Fix broken integration tests.
2025-05-07 01:08:15 +05:30
Hemang
dc9ac9c3c6
Fix broken unit tests.
2025-05-07 01:08:15 +05:30
Hemang
e64a977d87
Properly propagate the integrations test and unit test exit code.
2025-05-06 20:10:45 +05:30
Luca Beurer-Kellner
86ec75ba2d
use select() before readline ( #45 )
2025-05-06 16:07:50 +02:00