Skip to content

feat: Add LangSmith integration metadata to langgraph #2193

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Tanushree (tanushree-sharma) wants to merge 5 commits into
base: main
Choose a base branch
from
Open

feat: Add LangSmith integration metadata to langgraph #2193

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
c9cd9a9
update
tanushree-sharma Mar 17, 2026
f5eb828
fix tests
tanushree-sharma Mar 17, 2026
99ca7f4
Merge branch 'main' into add-metadata
tanushree-sharma Mar 17, 2026
ceaf4cd
fix test
tanushree-sharma Mar 17, 2026
817fccd
test-fix
tanushree-sharma Mar 17, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions libs/langgraph-core/src/pregel/index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2012,6 +2012,10 @@ export class Pregel<
durability,
] = this._defaults(restConfig);

// Tag root run with LangGraph integration metadata, but don't override
// if already set (e.g. by downstream frameworks like DeepAgents)
config.metadata = { ls_integration: "langgraph", ...config.metadata };

// At entrypoint, `configurable` is an alias for `context`.
if (typeof config.context !== "undefined") {
config.context = await this._validateContext(config.context);
Expand Down
46 changes: 35 additions & 11 deletions libs/langgraph-core/src/tests/pregel.test.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5351,7 +5351,7 @@ graph TD;
payload: {
config: {
tags: [],
metadata: { thread_id: "10" },
metadata: { ls_integration: "langgraph", thread_id: "10" },
recursion_limit: 25,
configurable: {
thread_id: "10",
Expand Down Expand Up @@ -5383,7 +5383,7 @@ graph TD;
payload: {
config: {
tags: [],
metadata: { thread_id: "10" },
metadata: { ls_integration: "langgraph", thread_id: "10" },
recursion_limit: 25,
configurable: {
thread_id: "10",
Expand All @@ -5393,7 +5393,7 @@ graph TD;
},
parentConfig: {
tags: [],
metadata: { thread_id: "10" },
metadata: { ls_integration: "langgraph", thread_id: "10" },
recursion_limit: 25,
configurable: {
thread_id: "10",
Expand Down Expand Up @@ -5451,7 +5451,7 @@ graph TD;
payload: {
config: {
tags: [],
metadata: { thread_id: "10" },
metadata: { ls_integration: "langgraph", thread_id: "10" },
recursion_limit: 25,
configurable: {
thread_id: "10",
Expand All @@ -5461,7 +5461,7 @@ graph TD;
},
parentConfig: {
tags: [],
metadata: { thread_id: "10" },
metadata: { ls_integration: "langgraph", thread_id: "10" },
recursion_limit: 25,
configurable: {
thread_id: "10",
Expand Down Expand Up @@ -5519,7 +5519,7 @@ graph TD;
payload: {
config: {
tags: [],
metadata: { thread_id: "10" },
metadata: { ls_integration: "langgraph", thread_id: "10" },
recursion_limit: 25,
configurable: {
thread_id: "10",
Expand All @@ -5529,7 +5529,7 @@ graph TD;
},
parentConfig: {
tags: [],
metadata: { thread_id: "10" },
metadata: { ls_integration: "langgraph", thread_id: "10" },
recursion_limit: 25,
configurable: {
thread_id: "10",
Expand Down Expand Up @@ -5587,7 +5587,7 @@ graph TD;
payload: {
config: {
tags: [],
metadata: { thread_id: "10" },
metadata: { ls_integration: "langgraph", thread_id: "10" },
recursion_limit: 25,
configurable: {
thread_id: "10",
Expand All @@ -5597,7 +5597,7 @@ graph TD;
},
parentConfig: {
tags: [],
metadata: { thread_id: "10" },
metadata: { ls_integration: "langgraph", thread_id: "10" },
recursion_limit: 25,
configurable: {
thread_id: "10",
Expand Down Expand Up @@ -9175,6 +9175,7 @@ graph TD;
langgraph_checkpoint_ns: expect.stringMatching(/^p_one:/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_one:/),
ls_integration: "langgraph",
name: "p_one",
tags: ["graph:step:1"],
},
Expand All @@ -9191,6 +9192,7 @@ graph TD;
langgraph_checkpoint_ns: expect.stringMatching(/^p_two:.*\|c_one:.*/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_two:/),
ls_integration: "langgraph",
name: "c_one",
tags: ["graph:step:1"],
},
Expand All @@ -9207,6 +9209,7 @@ graph TD;
langgraph_checkpoint_ns: expect.stringMatching(/^p_two:.*\|c_one:.*/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_two:/),
ls_integration: "langgraph",
name: "c_one",
tags: ["graph:step:1"],
},
Expand All @@ -9223,6 +9226,7 @@ graph TD;
langgraph_checkpoint_ns: expect.stringMatching(/^p_two:.*\|c_two:.*/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_two:/),
ls_integration: "langgraph",
ls_model_type: "chat",
ls_provider: "FakeChatModel",
ls_stop: undefined,
Expand All @@ -9243,6 +9247,7 @@ graph TD;
langgraph_checkpoint_ns: expect.stringMatching(/^p_two:.*\|c_two:.*/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_two:/),
ls_integration: "langgraph",
ls_model_type: "chat",
ls_provider: "FakeChatModel",
ls_stop: undefined,
Expand All @@ -9263,6 +9268,7 @@ graph TD;
langgraph_checkpoint_ns: expect.stringMatching(/^p_three/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_three/),
ls_integration: "langgraph",
ls_model_type: "chat",
ls_provider: "FakeChatModel",
ls_stop: undefined,
Expand Down Expand Up @@ -9293,8 +9299,21 @@ graph TD;
)
);

expect(streamedCombinedEvents).toMatchObject([
// The relative ordering of "custom" and "messages" events for the same
// chunk is non-deterministic across Node.js versions, so sort by mode
// before asserting (custom < messages alphabetically).
const sortedCombinedEvents = [...streamedCombinedEvents].sort((a, b) => {
const aMode = a[0] as string;
const bMode = b[0] as string;
if (aMode !== bMode) return aMode < bMode ? -1 : 1;
// within same mode, preserve original order by index
return (
streamedCombinedEvents.indexOf(a) - streamedCombinedEvents.indexOf(b)
);
});
expect(sortedCombinedEvents).toMatchObject([
["custom", { from: "parent" }],
["custom", { from: "subgraph", content: "1" }],
[
"messages",
[
Expand All @@ -9307,6 +9326,7 @@ graph TD;
langgraph_checkpoint_ns: expect.stringMatching(/^p_one:/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_one:/),
ls_integration: "langgraph",
name: "p_one",
tags: ["graph:step:1"],
},
Expand All @@ -9325,6 +9345,7 @@ graph TD;
expect.stringMatching(/^p_two:.*\|c_one:.*/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_two:/),
ls_integration: "langgraph",
name: "c_one",
tags: ["graph:step:1"],
},
Expand All @@ -9343,6 +9364,7 @@ graph TD;
expect.stringMatching(/^p_two:.*\|c_one:.*/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_two:/),
ls_integration: "langgraph",
name: "c_one",
tags: ["graph:step:1"],
},
Expand All @@ -9361,6 +9383,7 @@ graph TD;
expect.stringMatching(/^p_two:.*\|c_two:.*/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_two:/),
ls_integration: "langgraph",
ls_model_type: "chat",
ls_provider: "FakeChatModel",
ls_stop: undefined,
Expand All @@ -9369,7 +9392,6 @@ graph TD;
},
],
],
["custom", { from: "subgraph", content: "1" }],
[
"messages",
[
Expand All @@ -9383,6 +9405,7 @@ graph TD;
expect.stringMatching(/^p_two:.*\|c_two:.*/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_two:/),
ls_integration: "langgraph",
ls_model_type: "chat",
ls_provider: "FakeChatModel",
ls_stop: undefined,
Expand All @@ -9402,6 +9425,7 @@ graph TD;
langgraph_checkpoint_ns: expect.stringMatching(/^p_three/),
__pregel_task_id: expect.any(String),
checkpoint_ns: expect.stringMatching(/^p_three/),
ls_integration: "langgraph",
ls_model_type: "chat",
ls_provider: "FakeChatModel",
ls_stop: undefined,
Expand Down
12 changes: 6 additions & 6 deletions libs/langgraph-core/src/tests/tracing.test.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ it("stream events for a multi-node graph", async () => {
name: "LangGraph",
tags: [],
run_id: expect.any(String),
metadata: {},
metadata: { ls_integration: "langgraph" },
},
{
event: "on_chain_start",
Expand Down Expand Up @@ -260,7 +260,7 @@ it("stream events for a multi-node graph", async () => {
run_id: expect.any(String),
name: "LangGraph",
tags: [],
metadata: {},
metadata: { ls_integration: "langgraph" },
data: {
chunk: {
testnode: {
Expand All @@ -279,7 +279,7 @@ it("stream events for a multi-node graph", async () => {
run_id: expect.any(String),
name: "LangGraph",
tags: [],
metadata: {},
metadata: { ls_integration: "langgraph" },
},
]);
});
Expand Down Expand Up @@ -391,7 +391,7 @@ it("Should respect .withConfig", async () => {
name: "OVERRIDDEN_NAME",
tags: [],
run_id: expect.any(String),
metadata: {},
metadata: { ls_integration: "langgraph" },
},
{
event: "on_chain_start",
Expand Down Expand Up @@ -603,7 +603,7 @@ it("Should respect .withConfig", async () => {
run_id: expect.any(String),
name: "OVERRIDDEN_NAME",
tags: [],
metadata: {},
metadata: { ls_integration: "langgraph" },
data: {
chunk: {
testnode: {
Expand All @@ -622,7 +622,7 @@ it("Should respect .withConfig", async () => {
run_id: expect.any(String),
name: "OVERRIDDEN_NAME",
tags: [],
metadata: {},
metadata: { ls_integration: "langgraph" },
},
]);
});
Loading