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| twitter:card | summary_large_image |
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| og:image:alt | Summary
This PR introduces SEP-414, documenting OpenTelemetry Trace Context Propagation Conventions
SEP
seps/414-request-meta.md
Sponsor
@Kludex
Notes
This PR converts the earlier doc change into... |
| og:image:width | 1200 |
| og:image:height | 600 |
| og:site_name | GitHub |
| og:type | object |
| og:author:username | codefromthecrypt |
| hostname | github.com |
| expected-hostname | github.com |
| None | 5f2a0c7865178af3d91dd9f13b0cdfc3c73a2529c873d2780bb4c01271a57ec6 |
| turbo-cache-control | no-cache |
| go-import | github.com/modelcontextprotocol/modelcontextprotocol git https://github.com/modelcontextprotocol/modelcontextprotocol.git |
| octolytics-dimension-user_id | 182288589 |
| octolytics-dimension-user_login | modelcontextprotocol |
| octolytics-dimension-repository_id | 862570523 |
| octolytics-dimension-repository_nwo | modelcontextprotocol/modelcontextprotocol |
| octolytics-dimension-repository_public | true |
| octolytics-dimension-repository_is_fork | false |
| octolytics-dimension-repository_network_root_id | 862570523 |
| octolytics-dimension-repository_network_root_nwo | modelcontextprotocol/modelcontextprotocol |
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| disable-turbo | false |
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| ui-target | canary-2 |
| theme-color | #1e2327 |
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| Reload | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| Reload | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| Reload | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
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| modelcontextprotocol | https://github.com/modelcontextprotocol/modelcontextprotocol |
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| https://github.com/modelcontextprotocol/modelcontextprotocol/discussions |
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Actions
| https://github.com/modelcontextprotocol/modelcontextprotocol/actions |
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Projects
| https://github.com/modelcontextprotocol/modelcontextprotocol/projects |
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Models
| https://github.com/modelcontextprotocol/modelcontextprotocol/models |
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Security and quality
| https://github.com/modelcontextprotocol/modelcontextprotocol/security |
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Insights
| https://github.com/modelcontextprotocol/modelcontextprotocol/pulse |
| pja-ant | https://github.com/pja-ant |
| modelcontextprotocol:main | https://github.com/modelcontextprotocol/modelcontextprotocol/tree/main |
| codefromthecrypt:patch-1 | https://github.com/codefromthecrypt/modelcontextprotocol/tree/patch-1 |
| Conversation | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| Commits9 (9) | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414/commits |
| Checks | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414/checks |
| Files changed | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414/files |
| SEP-414: Document OpenTelemetry Trace Context Propagation Conventions | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#top |
| pja-ant | https://github.com/pja-ant |
| modelcontextprotocol:main | https://github.com/modelcontextprotocol/modelcontextprotocol/tree/main |
| codefromthecrypt:patch-1 | https://github.com/codefromthecrypt/modelcontextprotocol/tree/patch-1 |
|
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| Apr 25, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issue-3019229995 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| @Kludex | https://github.com/Kludex |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
|
Apr 25, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-2954074015 |
|
Include OpenTelemetry Trace identifiers as part of the MCP client -> server protocol
#246
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues/246 |
| https://github.com/samsp-msft |
| samsp-msft | https://github.com/samsp-msft |
| Apr 25, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2831551338 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| Apr 25, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2831607928 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| @samsp-msft | https://github.com/samsp-msft |
| discussion | https://github.com/modelcontextprotocol/modelcontextprotocol/discussions/269 |
| env variable propagation | https://github.com/open-telemetry/opentelemetry-specification/blob/main/oteps/0258-env-context-baggage-carriers.md |
| how to handle messaging | https://github.com/open-telemetry/opentelemetry-specification/blob/main/oteps/trace/0205-messaging-semantic-conventions-context-propagation.md#standards-for-context-propagation |
| semantic conventions | https://github.com/open-telemetry/semantic-conventions/pull/2083 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| force-pushed | https://github.com/modelcontextprotocol/modelcontextprotocol/compare/6c55543edb4ccebcc065bf0fab5640cca067d873..2081ae2a77e26010949601dfcf97deae633cdc6e |
| 6c55543 | https://github.com/modelcontextprotocol/modelcontextprotocol/commit/6c55543edb4ccebcc065bf0fab5640cca067d873 |
| 2081ae2 | https://github.com/modelcontextprotocol/modelcontextprotocol/commit/2081ae2a77e26010949601dfcf97deae633cdc6e |
|
Compare
| https://github.com/modelcontextprotocol/modelcontextprotocol/compare/6c55543edb4ccebcc065bf0fab5640cca067d873..2081ae2a77e26010949601dfcf97deae633cdc6e |
| April 25, 2025 23:47 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-17413362408 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| Apr 27, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2833658633 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| @zengyizhao | https://github.com/zengyizhao |
| here | https://github.com/orgs/modelcontextprotocol/discussions/309 |
| @wdawson | https://github.com/wdawson |
| here | https://github.com/modelcontextprotocol/modelcontextprotocol/discussions/234 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
|
Apr 27, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-2956841204 |
|
Support for MCP (Model Context Protocol)
line/armeria#6179
| https://github.com/line/armeria/issues/6179 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| Apr 28, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2833713768 |
| @dsp-ant | https://github.com/dsp-ant |
| @jspahrsummers | https://github.com/jspahrsummers |
| podcast on latent space | https://www.latent.space/p/mcp |
| @FanaHOVA | https://github.com/FanaHOVA |
| @swyxio | https://github.com/swyxio |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
|
Apr 28, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-pullrequest-3023515140 |
|
Backfills trace injection test and migrates from request.params to request.params._meta
modelcontextprotocol/csharp-sdk#360
| https://github.com/modelcontextprotocol/csharp-sdk/pull/360 |
| https://github.com/samsp-msft |
| samsp-msft | https://github.com/samsp-msft |
| Apr 28, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2833816436 |
| @samsp-msft | https://github.com/samsp-msft |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
|
Apr 28, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-pullrequest-2984495092 |
|
OpenTelemetry: context propagation and semconv update
modelcontextprotocol/csharp-sdk#262
| https://github.com/modelcontextprotocol/csharp-sdk/pull/262 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| Apr 28, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2833819123 |
| @samsp-msft | https://github.com/samsp-msft |
| a PR to csharp-sdk | https://github.com/modelcontextprotocol/csharp-sdk/pull/360 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| force-pushed | https://github.com/modelcontextprotocol/modelcontextprotocol/compare/757a83ec443054de67da9e4b0eb4b3b954bd02c6..8a5e71fcc60eafc447a1191a3f7b7b2a5be3090e |
| 757a83e | https://github.com/modelcontextprotocol/modelcontextprotocol/commit/757a83ec443054de67da9e4b0eb4b3b954bd02c6 |
| 8a5e71f | https://github.com/modelcontextprotocol/modelcontextprotocol/commit/8a5e71fcc60eafc447a1191a3f7b7b2a5be3090e |
|
Compare
| https://github.com/modelcontextprotocol/modelcontextprotocol/compare/757a83ec443054de67da9e4b0eb4b3b954bd02c6..8a5e71fcc60eafc447a1191a3f7b7b2a5be3090e |
| April 28, 2025 08:18 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-17429551914 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| Apr 28, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2834389893 |
| specification already | https://github.com/modelcontextprotocol/modelcontextprotocol/blob/main/docs/specification/2025-03-26/basic/utilities/progress.mdx |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/samsp-msft |
| samsp-msft | https://github.com/samsp-msft |
|
Apr 28, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-2969356115 |
|
Adding Opentelemetry to MCP SDK
modelcontextprotocol/python-sdk#421
| https://github.com/modelcontextprotocol/python-sdk/issues/421 |
| https://github.com/000-000-000-000-000 |
| 000-000-000-000-000 | https://github.com/000-000-000-000-000 |
|
May 7, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-3037464900 |
|
Add "meta" to call_tool method
modelcontextprotocol/python-sdk#621
| https://github.com/modelcontextprotocol/python-sdk/issues/621 |
| https://github.com/cyccolin |
| cyccolin | https://github.com/cyccolin |
|
May 8, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-pullrequest-3050220495 |
|
feat: add partial results as part of progress notifications
modelcontextprotocol/python-sdk#669
| https://github.com/modelcontextprotocol/python-sdk/pull/669 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| May 12, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2872060772 |
| @dsp-ant | https://github.com/dsp-ant |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| May 12, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2872230400 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| progressToken | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/utilities/progress.mdx |
| default | https://opentelemetry.io/docs/languages/sdk-configuration/general/#otel_propagators |
| schema today | https://github.com/modelcontextprotocol/modelcontextprotocol/blob/main/schema/2025-03-26/schema.json |
| @findleyr | https://github.com/findleyr |
| https://go.googlesource.com/tools/+/refs/heads/master/internal/mcp/design/design.md#protocol-types | https://go.googlesource.com/tools/+/refs/heads/master/internal/mcp/design/design.md#protocol-types |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| May 12, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2872456755 |
| @mpcm | https://github.com/mpcm |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/Joffref |
| Joffref | https://github.com/Joffref |
|
May 12, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-3048179232 |
|
[RFC] MCP Observability
modelcontextprotocol-community/working-groups#28
| https://github.com/modelcontextprotocol-community/working-groups/issues/28 |
| https://github.com/mpcm |
| mpcm | https://github.com/mpcm |
| May 12, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2874229652 |
| @codefromthecrypt | https://github.com/codefromthecrypt |
| https://groups.google.com/g/json-rpc/c/pFFuI0JN8Cs | https://groups.google.com/g/json-rpc/c/pFFuI0JN8Cs |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/jonathanhefner |
| jonathanhefner | https://github.com/jonathanhefner |
| May 13, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2876813193 |
| responses could benefit from a meta property too | https://groups.google.com/g/json-rpc/c/pFFuI0JN8Cs/m/88RDJa4ZFAAJ |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/anuraaga |
| anuraaga | https://github.com/anuraaga |
| May 13, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2878181625 |
| @jonathanhefner | https://github.com/jonathanhefner |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/bhelx |
| bhelx | https://github.com/bhelx |
| May 14, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2880908276 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| May 26, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2908208066 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| May 26, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-17806135036 |
| https://github.com/rholinshead |
| rholinshead | https://github.com/rholinshead |
|
May 27, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-3094233357 |
|
Tracing: Propagate OpenTelemetry Trace Context to MCP Servers
lastmile-ai/mcp-agent#239
| https://github.com/lastmile-ai/mcp-agent/issues/239 |
| https://github.com/bhelx |
| bhelx | https://github.com/bhelx |
| May 27, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2914452243 |
| https://github.com/dylibso/mcp-otel/blob/2407c736c92d6a5e71b454845d839f33dabbbfca/src/agent.ts#L122 | https://github.com/dylibso/mcp-otel/blob/2407c736c92d6a5e71b454845d839f33dabbbfca/src/agent.ts#L122 |
| https://github.com/dylibso/mcp-otel/blob/2407c736c92d6a5e71b454845d839f33dabbbfca/src/servers/fetch.ts#L27 | https://github.com/dylibso/mcp-otel/blob/2407c736c92d6a5e71b454845d839f33dabbbfca/src/servers/fetch.ts#L27 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| May 28, 2025 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-2914575193 |
| @bhelx | https://github.com/bhelx |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
|
May 28, 2025
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-3095966399 |
|
Match w3c propagation with MCP csharp-sdk and openinference
dylibso/mcp-otel#2
| https://github.com/dylibso/mcp-otel/issues/2 |
| https://github.com/pja-ant |
| pja-ant | https://github.com/pja-ant |
|
Feb 26, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#pullrequestreview-3860476940 |
|
View reviewed changes
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414/files/f59b98c0aba40619b79c67d739c8b7faf18d0e98 |
| https://github.com/Kludex |
| Kludex | https://github.com/Kludex |
| Feb 26, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#issuecomment-3966183928 |
| @Kludex | https://github.com/Kludex |
| @pja-ant | https://github.com/pja-ant |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/pja-ant |
| pja-ant | https://github.com/pja-ant |
| a7cf0ba | https://github.com/modelcontextprotocol/modelcontextprotocol/commit/a7cf0ba7f6da2235db5340c10992c6a1f7635151 |
| Feb 26, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-23101220819 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| https://github.com/codefromthecrypt |
| codefromthecrypt | https://github.com/codefromthecrypt |
| February 26, 2026 12:08 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-23101276987 |
| https://github.com/punitmahes |
| punitmahes | https://github.com/punitmahes |
|
Mar 11, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-4059811807 |
|
Support for OpenTelemetry Context Propagation for MCP via _meta field
Kong/kong#14843
| https://github.com/Kong/kong/issues/14843 |
| https://github.com/wcollins |
| wcollins | https://github.com/wcollins |
|
Mar 22, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-4114329056 |
|
feat: distributed tracing with W3C traceparent
gridctl/gridctl#274
| https://github.com/gridctl/gridctl/issues/274 |
| https://github.com/apps/mcp-virtual-tpm |
| mcp-virtual-tpm | https://github.com/apps/mcp-virtual-tpm |
| 2026-06-30-RC | https://github.com/modelcontextprotocol/modelcontextprotocol/milestone/4 |
| Apr 17, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-24620799829 |
| https://github.com/panyam |
| panyam | https://github.com/panyam |
|
Apr 28, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-4345644612 |
|
SEP-414: Add OpenTelemetry trace context propagation
panyam/mcpkit#312
| https://github.com/panyam/mcpkit/issues/312 |
| https://github.com/mikekistler |
| mikekistler | https://github.com/mikekistler |
|
Apr 30, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-4354468114 |
|
2026-07-28 Spec Compliance
modelcontextprotocol/csharp-sdk#1539
| https://github.com/modelcontextprotocol/csharp-sdk/issues/1539 |
| https://github.com/maciej-kisiel |
| maciej-kisiel | https://github.com/maciej-kisiel |
|
May 5, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-4383967049 |
|
Implement SEP-414: Document OpenTelemetry Trace Context Propagation Conventions
modelcontextprotocol/go-sdk#934
| https://github.com/modelcontextprotocol/go-sdk/issues/934 |
| https://github.com/pja-ant |
| pja-ant | https://github.com/pja-ant |
|
final
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Afinal |
|
accepted
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Aaccepted |
| May 7, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-25273267880 |
|
[2026-07-28] Transport & observability headers/metadata
modelcontextprotocol/php-sdk#336
| https://github.com/modelcontextprotocol/php-sdk/issues/336 |
|
[Server][Client][Protocol] SEP-414: W3C Trace Context propagation via _meta
modelcontextprotocol/php-sdk#355
| https://github.com/modelcontextprotocol/php-sdk/issues/355 |
| https://github.com/felixweinberger |
| felixweinberger | https://github.com/felixweinberger |
|
May 29, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-4547540366 |
|
Implement SEP-414: Document OpenTelemetry Trace Context Propagation Conventions
modelcontextprotocol/typescript-sdk#2196
| https://github.com/modelcontextprotocol/typescript-sdk/issues/2196 |
| https://github.com/SamMorrowDrums |
| SamMorrowDrums | https://github.com/SamMorrowDrums |
|
Jun 1, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-pullrequest-4527314399 |
|
SEP-2792: Internationalization via Per-Request Language Negotiation
#2792
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2792 |
| https://github.com/DaleSeo |
| DaleSeo | https://github.com/DaleSeo |
|
Jun 4, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-issue-4589206290 |
|
Implement SEP-414: W3C Trace Context propagation in _meta
modelcontextprotocol/rust-sdk#886
| https://github.com/modelcontextprotocol/rust-sdk/issues/886 |
| https://github.com/localden |
| localden | https://github.com/localden |
| 2026-07-28 Spec Implementation | https://github.com/orgs/modelcontextprotocol/projects/41 |
| Jun 6, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-26416907901 |
| https://github.com/apps/github-project-automation |
| github-project-automation | https://github.com/apps/github-project-automation |
| 2026-07-28 Spec Implementation | https://github.com/orgs/modelcontextprotocol/projects/41 |
| Jun 6, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-26416906335 |
| https://github.com/apps/github-project-automation |
| github-project-automation | https://github.com/apps/github-project-automation |
| 2026-07-28 Spec Implementation | https://github.com/orgs/modelcontextprotocol/projects/41 |
| Jun 6, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#event-26416907684 |
|
SEP-414: Document OpenTelemetry Trace Context Propagation Conventions
modelcontextprotocol/csharp-sdk#1630
| https://github.com/modelcontextprotocol/csharp-sdk/issues/1630 |
|
Implement SEP-414: Document OpenTelemetry Trace Context Propagation Conventions
modelcontextprotocol/kotlin-sdk#800
| https://github.com/modelcontextprotocol/kotlin-sdk/issues/800 |
|
Implement SEP-414: Document OpenTelemetry Trace Context Propagation Conventions
modelcontextprotocol/python-sdk#2790
| https://github.com/modelcontextprotocol/python-sdk/issues/2790 |
|
SEP-414: Document OpenTelemetry Trace Context Propagation Conventions
modelcontextprotocol/ruby-sdk#374
| https://github.com/modelcontextprotocol/ruby-sdk/issues/374 |
|
Implement SEP-414: Document OpenTelemetry Trace Context Propagation Conventions
modelcontextprotocol/swift-sdk#230
| https://github.com/modelcontextprotocol/swift-sdk/issues/230 |
|
(implementation): SEP-414 - Document OpenTelemetry Trace Context Propagation Conventions
#2868
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues/2868 |
| https://github.com/mattzcarey |
| mattzcarey | https://github.com/mattzcarey |
|
Jun 9, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-pullrequest-4625436590 |
|
feat(core): reserved trace context _meta keys and propagation docs (SEP-414)
modelcontextprotocol/typescript-sdk#2270
| https://github.com/modelcontextprotocol/typescript-sdk/pull/2270 |
| https://github.com/koic |
| koic | https://github.com/koic |
|
Jun 12, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-pullrequest-4646642491 |
|
Support W3C Trace Context Propagation via _meta per SEP-414
modelcontextprotocol/ruby-sdk#397
| https://github.com/modelcontextprotocol/ruby-sdk/pull/397 |
| koic | https://github.com/koic |
|
Jun 13, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-commit-b1818f2 |
|
| https://github.com/koic |
| Support W3C Trace Context Propagation via _meta per SEP-414 | https://github.com/modelcontextprotocol/ruby-sdk/commit/b1818f25c83041291995b8f87c60b97871acb167 |
| b1818f2 | https://github.com/modelcontextprotocol/ruby-sdk/commit/b1818f25c83041291995b8f87c60b97871acb167 |
| modelcontextprotocol/modelcontextprotocol#414 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
| #374 | https://github.com/modelcontextprotocol/ruby-sdk/issues/374 |
| https://github.com/felixweinberger |
| felixweinberger | https://github.com/felixweinberger |
|
Jun 26, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414#ref-pullrequest-4650383987 |
|
Implement MCP 2026-07-28
modelcontextprotocol/typescript-sdk#2286
| https://github.com/modelcontextprotocol/typescript-sdk/pull/2286 |
| https://github.co/hiddenchars |
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/{{ revealButtonHref }} |
| Sign up for free | https://github.com/join?source=comment-repo |
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|
| https://github.com/localden |
|
localden
| https://github.com/localden |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414/files/f59b98c0aba40619b79c67d739c8b7faf18d0e98 |
|
| https://github.com/pja-ant |
|
pja-ant
| https://github.com/pja-ant |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414/files/f59b98c0aba40619b79c67d739c8b7faf18d0e98 |
|
| https://github.com/cliffhall |
|
cliffhall
| https://github.com/cliffhall |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414/files/7a3886e7269b108bf8bce7c7b95b970358971fbe |
|
| https://github.com/nacx |
|
nacx
| https://github.com/nacx |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414/files/c3e532e2cbac2fb7cad06c9d505fcfe526c83fce |
|
| https://github.com/Kludex |
|
Kludex
| https://github.com/Kludex |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414/files/b36f9e17d0fc0190fb743177a23eed1a6b94c0a3 |
|
| https://github.com/Kludex |
|
Kludex
| https://github.com/Kludex |
|
final
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Afinal |
|
SEP
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3ASEP |
|
2026-07-28 Spec Implementation
| https://github.com/orgs/modelcontextprotocol/projects/41 |
|
SEP Review Pipeline
| https://github.com/orgs/modelcontextprotocol/projects/12 |
|
2026-07-28-RC
| https://github.com/modelcontextprotocol/modelcontextprotocol/milestone/4 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/414 |
|
| https://github.com/codefromthecrypt |
|
| https://github.com/samsp-msft |
|
| https://github.com/mpcm |
|
| https://github.com/jonathanhefner |
|
| https://github.com/anuraaga |
|
| https://github.com/bhelx |
|
| https://github.com/srtux |
|
| https://github.com/punkpeye |
|
| https://github.com/dsp-ant |
|
| https://github.com/Kludex |
|
| https://github.com/pja-ant |
|
| https://github.com/localden |
|
| https://github.com/nacx |
|
| https://github.com/cliffhall |
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