Does Semble work with Claude Desktop?

Q: Does Semble work with Claude Desktop?

Yes. In our test on 2026-10-22 (Claude Desktop 2.37337.1 (Linux beta, Electron 44.7.0), semble 0.7.0, plan: Not recorded for this run), Semble passed install, connect, tools and an agent task.

Yes. Semble passed every step of our test in Claude Desktop on Oct 22, 2026: it installed, connected, its tools were visible, and an agent used it to finish a real task.

Result

ResultPassed

Date testedOct 22, 2026

Plan tested onNot recorded for this run

App versionClaude Desktop 2.37337.1 (Linux beta, Electron 44.7.0)

Server packagesemble 0.7.0

Connect timeconnected in 2.8s

Steps

install OK
connect OK
tools visible OK
agent task: find definition OKsymbol lookup + one cross-file reference in a 2-file Python repo (git history has 1 commit, so git-only tools can answer via git_show)

Test note: server wrapped in harness/scripts/mcp_tee.py to record JSON-RPC; prompts typed via xdotool; tool Allow pop-ups approved by the operator for test servers only; model = app default

From our own harness run, not the maker’s claims. How we test.

Versions tested

Claude Desktop 2.37337.1 (Linux beta, Electron 44.7.0) · semble 0.7.0 · connected in 2.8s · tested Oct 22, 2026

Server package tested: semble 0.7.0 (uv, Python 3.12.15; resolved 2026-10-22)

Direct and key dependencies as resolved: anyio 4.15.1 · mcp 2.3.0 · model2vec 0.10.0 · numpy 2.5.4 · orjson 3.13.0 · pathspec 1.1.1 · pydantic 2.14.1 · pydantic_core 2.50.1 · questionary 2.1.1 · semble-grammars 0.1.2 · sse-starlette 3.5.0 · starlette 1.9.0 · tqdm 4.70.1 · typing_extensions 4.16.0 · uvicorn 0.54.0 · vicinity 0.4.6

All 51 resolved dependencies

annotated-types==0.8.0
anyio==4.15.1
attrs==26.1.0
cffi==2.1.1
click==8.5.0
cloudpickle==3.1.2
cryptography==50.0.2
filelock==4.2.4
fsspec==2026.9.0
h11==0.16.0
hf-xet==1.7.0
httpcore2==2.16.0
httpx2==2.16.0
huggingface_hub==2.2.0
idna==3.20
Jinja2==3.1.6
joblib==1.6.0
jsonschema==4.26.0
jsonschema-specifications==2025.9.1
MarkupSafe==3.0.4
mcp==2.3.0
mcp-types==2.3.0
model2vec==0.10.0
numpy==2.5.4
opentelemetry-api==1.45.1
orjson==3.13.0
packaging==26.3
pathspec==1.1.1
prompt_toolkit==3.0.53
pycparser==3.12
pydantic==2.14.1
pydantic_core==2.50.1
PyJWT==2.15.1
python-multipart==0.0.32
PyYAML==6.0.3
questionary==2.1.1
referencing==0.37.0
rpds-py==2026.9.1
safetensors==0.8.0
semble-grammars==0.1.2
sse-starlette==3.5.0
starlette==1.9.0
tokenizers==0.23.3
tqdm==4.70.1
tree-sitter==0.26.0
truststore==0.10.5
typing-inspection==0.4.4
typing_extensions==4.16.0
uvicorn==0.54.0
vicinity==0.4.6
wcwidth==0.9.3

Captured with: uvx --from semble[mcp] python (importlib.metadata in the same uvx env; equivalent to uv pip freeze).

What happened in this run

Install config we used

{
 "command": "uvx",
 "args": [
  "--from",
  "semble[mcp]",
  "semble"
 ]
}

Connection check

initialize seen in tee log after app restart

Tools check

tools/list answered (tee log)

Agent task: find definition

2 calls reached the server
Agent’s answer (excerpt): Defined in: billing.py; Called from: utils.py (inside format_receipt, which calls compute_total(prices, 0.08))

Raw details from our harness log for this run. Secrets redacted.

Set it up in Claude Desktop

Copy-paste config for every app is on the Semble page. Not connecting? Claude Desktop MCP troubleshooting.

Other apps we tested it in: Claude Code (passed) · Cursor (passed) · ChatGPT (Codex) (passed).

All MCP servers tested in Claude Desktop