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fix(mcp): surface stored metadata and updated_at in detailed recall format - #184

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fix/111-mcp-metadata-detailed
Jun 11, 2026
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fix(mcp): surface stored metadata and updated_at in detailed recall format#184
jack-arturo merged 2 commits into
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fix/111-mcp-metadata-detailed

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@jack-arturo jack-arturo commented Jun 11, 2026

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Summary

The REST /recall API already returns metadata, updated_at, and last_accessed — the gap was the MCP server's detailed format, which omitted them (making custom metadata effectively write-only for MCP agents, the actual complaint in #111).

  • formatRecallAsItems() detailed branch now renders an Updated: line and a size-capped single-line Metadata: JSON (300 chars + ellipsis; omitted when empty) — capped because a prior raw-dump attempt was rejected for verbosity.
  • json format was already a raw passthrough; now pinned by a transport-level test.
  • text/items formats unchanged.
  • New REST contract test (test_recall_metadata_roundtrip) locks the server-side behavior; docs/METADATA_BEHAVIOR.md corrected (it over-claimed that detailed already exposed metadata).

Testing

  • Node: 15/15 (npm test, includes truncation-boundary and empty-metadata cases)
  • Python: 488 passed, 12 skipped; black + flake8 clean

Closes #111

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Pull request overview

This PR updates the MCP SSE server’s /recall tool formatting so the detailed output surfaces updated_at and (size-capped) metadata, aligning MCP output more closely with the existing REST /recall payload and addressing the “metadata is write-only” complaint from #111. It also adds contract-style tests and corrects documentation around metadata visibility.

Changes:

  • MCP formatRecallAsItems(..., { detailed: true }) now renders an Updated: line and a 300-char capped single-line Metadata: JSON (omitted when empty/missing).
  • Added Node tests to pin detailed metadata truncation/omission behavior and to pin format=json passthrough of metadata, updated_at, and last_accessed.
  • Added a REST roundtrip test for storing metadata via POST /memory and verifying it surfaces in GET /recall; updated docs accordingly.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File Description
tests/test_api_endpoints.py Adds a REST contract test ensuring stored metadata + timestamps round-trip through /recall.
mcp-sse-server/test/server.test.js Extends formatting tests for detailed metadata/updated output and adds a transport-level json passthrough test.
mcp-sse-server/server.js Implements Updated: rendering and size-capped Metadata: rendering in detailed recall formatting; updates tool format description.
docs/METADATA_BEHAVIOR.md Corrects documentation to reflect that MCP detailed now renders (capped) metadata and Updated: when present.

Comment thread mcp-sse-server/server.js
jack-arturo and others added 2 commits June 11, 2026 21:05
@jack-arturo @claude
fix(mcp): surface stored metadata and updated_at in detailed recall f…
01ccfa1 
…ormat (#111)

The REST /recall API already returns parsed memory.metadata plus
updated_at/last_accessed; the gap was the MCP server's detailed
formatter, which omitted them entirely. The detailed format now
renders:

- an Updated: line when updated_at is present (parallel to the
  existing Last accessed handling), and
- a size-capped Metadata: line — single-line JSON truncated to 300
  chars with a trailing ellipsis, omitted when metadata is missing
  or empty — so provenance fields surface without dumping raw
  metadata verbosely.

The json format remains a raw passthrough (already exposed metadata)
and is now locked by a transport-level test. text/items formats are
unchanged.

Adds a REST contract test (test_recall_metadata_roundtrip) locking
the store -> recall metadata/timestamp round-trip, and fixes
docs/METADATA_BEHAVIOR.md, which over-claimed that the detailed
format already exposed metadata.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
@jack-arturo
fix(mcp): render full detailed recall metadata
85e5eb0
@jack-arturo
jack-arturo force-pushed the fix/111-mcp-metadata-detailed branch from a4f8c57 to 85e5eb0 Compare June 11, 2026 19:06
@jack-arturo
jack-arturo changed the base branch from main to develop June 11, 2026 19:06
@jack-arturo
jack-arturo merged commit 230416e into develop Jun 11, 2026
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@jack-arturo
jack-arturo deleted the fix/111-mcp-metadata-detailed branch June 11, 2026 19:07
This was referenced Jun 12, 2026
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jack-arturo added a commit that referenced this pull request Jun 12, 2026
@jack-arturo
feat(recall): ranking release — recency config, tag-score cap, releva…
337fe98 
…nce gate, date-aware ranking (#182, #193, #186, #187, #183, #184, #188) (#194)

## Release: ranking & recall series (develop → main)

⚠️ **Merge with a MERGE COMMIT — do not squash.** release-please needs
the individual conventional commits below to compute the version and
changelog for PR #154.

### What's in this release

| PR | Change | Default behavior |
|---|---|---|
| #182 | `feat(recall)`: configurable recency decay window/curve |
unchanged (env-gated) |
| #193 (replaces #185) | `feat(recall)`: tag-score denominator cap fixes
query-length bias | unchanged (`SEARCH_TAG_SCORE_TOKEN_CAP=0`) |
| #186 | `fix(recall)`: relevance gate — query-independent scoring gated
on topical evidence (#130) | unchanged (gate off) |
| #187 | `feat(recall)`: date-aware ranking,
`recency_bias=off\|on\|auto`, latest-fact selection (#158, #159) |
`RECALL_RECENCY_BIAS=off`; adds deterministic timestamp tiebreak for
near-ties |
| #183 | `feat(benchmarks)`: failure-mode diagnosis harness + judge
quota preflight | tooling only |
| #184 | `fix(mcp)`: surface stored metadata + `updated_at` in detailed
recall format (#111) | additive |
| #188 | `feat(enrichment)`: classification fallback-rate metrics in
`/enrichment/status` | additive |

Plus: CI now runs on `develop` pushes/PRs; benchmark experiment log +
README contribution-policy note.

### Verification evidence

- **Unit/lint/npm**: 625 pytest + 16 mcp-sse-server tests green on
develop head; CI green.
- **Default-preserve**: recall-lab baseline on the 10k-memory production
snapshot — develop defaults vs main pooled baseline identical aggregates
(R@5 0.655 / R@10 0.710 / MRR 0.434 / NDCG@10 0.501). Two-stack probe
run (main vs develop, defaults): 11/12 preserve-exact, remaining diffs
are near-tie reorders (top-1 score deltas ≤ 5.4e-5, the #187 timestamp
tiebreak).
- **Full judged 500q LongMemEval** (ship config:
`RECALL_RECENCY_BIAS=auto` + `temporal-answer` harness): recall@5 96.6%
(483/500), accuracy 86.0% (430/500), `judge_errors=0`,
`memory_ingest_failures=0`.
- **Churn attribution** (targeted re-runs of all 17 churned questions on
current-main-at-defaults and develop-at-defaults): 15/17 moved with #191
(already on main) — the April canonical 97.2% floor is stale; current
main measures ~97.0%. Develop-at-defaults differs from current main by
**1 question in 500** (a near-tie rank-5/6 flip from #187's
deterministic tiebreak). Accuracy is within answerer replicate noise
(identical-config reference runs flip 28/500 answers).
- Full detail: `benchmarks/EXPERIMENT_LOG.md` (2026-06-11 entry) and
`benchmarks/results/lme_churn17_*` + `analyze_churn17.py`.

### Opt-in features shipped OFF

`RECALL_RELEVANCE_GATE` (validated at 0.40 on lab corpus; improves
negative-probe precision) and `RECALL_RECENCY_BIAS=auto` (current-state
query re-ranking). Neither affects default behavior; see
`docs/ENVIRONMENT_VARIABLES.md`.

### After merging

release-please will update PR #154 (v0.16.0); merging *that* cuts the
tag and publishes the `:stable` image — the actual user-facing deploy
event for Railway template users.

🤖 Generated with [Claude Code](https://claude.com/claude-code)
@jack-arturo jack-arturo mentioned this pull request Jun 11, 2026
Merged
jack-arturo added a commit that referenced this pull request Jun 26, 2026
@jack-arturo
chore(main): release 0.16.0 (#154)
8c67c16 
🤖 I have created a release *beep* *boop*
---


##
[0.16.0](v0.15.2...v0.16.0)
(2026-06-26)


### Features

* **api:** add admin backup endpoint
([#162](#162))
([8b1f264](8b1f264))
* **api:** support bulk memory associations
([1221e36](1221e36))
* **api:** support bulk memory associations
([#198](#198))
([28eb916](28eb916))
* **benchmarks:** LongMemEval failure-mode diagnosis harness + judge
quota preflight
([#183](#183))
([f99bece](f99bece))
* **consolidation:** expose cluster threshold and min size as env vars
([#163](#163))
([7e731f3](7e731f3))
* **enrichment:** expose classification fallback-rate metrics in
/enrichment/status
([#188](#188))
([0b522a9](0b522a9))
* **entity:** harden identity cleanup and repair tooling
([#176](#176))
([827dfbc](827dfbc))
* **eval:** recall-quality optimization harness — lab foundation +
design ([#197](#197))
([431433e](431433e))
* **graph:** support unbounded visualizer snapshots
([#141](#141))
([c730128](c730128))
* **lab:** add aged labelled distractor injection
([cc5d546](cc5d546))
* **lab:** add config_complexity simplicity metric
([dfb10d9](dfb10d9))
* **lab:** add distractor_rate_at_k precision guardrail metric
([872eab2](872eab2))
* **lab:** add lab_corpus with parameterized recall
([5e1e071](5e1e071))
* **lab:** add pick_winner scorecard decision rule
([3187eac](3187eac))
* **lab:** add real consolidation pass helper
([48a7d4a](48a7d4a))
* **lab:** isolate production clone restores
([#171](#171))
([aef90c0](aef90c0))
* **lab:** wire scorecard, distractors, recall params, consolidation
into runner
([589ec30](589ec30))
* **recall:** add metadata sidecar search
([#177](#177))
([4e7956e](4e7956e))
* **recall:** add state_mode=current|history recall alias
([#173](#173))
([b1df86c](b1df86c))
* **recall:** cap tag-score denominator to fix query-length bias
([#193](#193))
([cefa516](cefa516))
* **recall:** date-aware ranking + latest-fact selection
([#158](#158),
[#159](#159))
([#187](#187))
([a6ed945](a6ed945))
* **recall:** make recency decay window and curve configurable
([#182](#182))
([dbb933f](dbb933f))
* **recall:** ranking release — recency config, tag-score cap, relevance
gate, date-aware ranking
([#182](#182),
[#193](#193),
[#186](#186),
[#187](#187),
[#183](#183),
[#184](#184),
[#188](#188))
([#194](#194))
([337fe98](337fe98))
* **scripts:** safer reclassify_with_llm.py with provider flags +
tighter prompt
([#164](#164))
([a742602](a742602))


### Bug Fixes

* **api:** address copilot review on PR
[#198](#198)
([0466a1e](0466a1e))
* **api:** handle grouped association write failures
([cd93df9](cd93df9))
* **backup:** make backup_automem.py runnable as `python
scripts/backup_automem.py`
([#175](#175))
([edd9742](edd9742))
* **benchmarks:** add publication verification bundle
([#166](#166))
([420d721](420d721))
* **consolidation:** skip eager first tick at startup to avoid FalkorDB
load race
([#165](#165))
([1b812cf](1b812cf))
* **docs:** keep dispatch payload arrays stable
([df6e9e8](df6e9e8))
* **embedding:** fall back to per-item real embeddings before
placeholders in batch path
([#189](#189))
([6e9c62c](6e9c62c))
* **entity:** restore person-shape exemption on the slug validation path
([#179](#179))
([5e29960](5e29960))
* **entity:** stop validator over-rejecting real people, code tools, and
event categories
([#178](#178))
([193b730](193b730))
* **lab:** address copilot review on PR
[#197](#197)
([45f80d6](45f80d6))
* **lab:** align scorecard key contract (build_scorecard -&gt;
pick_winner)
([7d91530](7d91530))
* **mcp-sse:** decouple /health liveness from upstream readiness
([#151](#151))
([5bcfb8b](5bcfb8b))
* **mcp:** cap association failure summary
([ea4e08f](ea4e08f))
* **mcp:** surface stored metadata and updated_at in detailed recall
format ([#184](#184))
([230416e](230416e))
* **recall:** address copilot review on PR
[#194](#194)
([50b1647](50b1647))
* **recall:** canonicalize / and : separators in context_tag matching
([3afd9d3](3afd9d3))
* **recall:** canonicalize / and : separators in context_tag matching
([#203](#203))
([ba5e9ff](ba5e9ff))
* **recall:** gate query-independent scoring on topical evidence within
tag scope
([#130](#130))
([#186](#186))
([c11b594](c11b594))
* **recall:** hydrate semantic recall summaries
([#192](#192))
([76e845d](76e845d))
* **recall:** normalize graph keyword scores into the 0-1 component
range ([#191](#191))
([3653ddf](3653ddf))
* **recall:** respect current memory state
([#170](#170))
([ed36b98](ed36b98)),
closes [#169](#169)
[#158](#158)
[#159](#159)
* **scripts:** add sys.path guard to reembed_embeddings.py
([d333cf0](d333cf0))


### Documentation

* add scripts catalog, recall-quality-lab guide, and 0.16.0 migrations
([f20c664](f20c664))
* **bench:** log full judged 500q LongMemEval ship-config run with churn
attribution
([41bf8d0](41bf8d0))
* **eval:** Plan A — lab metric foundation (TDD, 9 tasks)
([0087dda](0087dda))
* **eval:** Plan B — parallel matrix harness (TDD, 9 tasks)
([c8ddfb2](c8ddfb2))
* **evals:** mark Memora/FAMA/WRIT lifecycle diagnostics as
diagnostic-only
([#174](#174))
([e8a3285](e8a3285))
* **eval:** spec for recall-quality optimization harness
([b1a1995](b1a1995))
* fix stale claims and document gated flags for 0.16.0
([b152d64](b152d64))
* note develop-branch contribution policy in README
([ccf02dd](ccf02dd))
* **positioning:** add scout reference
([#168](#168))
([922d23b](922d23b))
* refresh benchmark currency for the neutral AMB run and prune stale
archive docs
([3ff95bd](3ff95bd))
* refresh benchmark currency for the neutral AMB run and prune stale
archive docs
([#204](#204))
([89c30e0](89c30e0))
* refresh README and benchmark guidance
([#157](#157))
([bba31cc](bba31cc))
* **runtime:** align Docker viewer paths and setup guidance
([#155](#155))
([bbda79b](bbda79b))
* scripts catalog, recall quality lab guide, and 0.16.0 migration
runbook ([#199](#199))
([f190ae5](f190ae5))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).
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Return metadata fields in recall responses by default

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