# Data Access **URL:** https://community.opentargets.org/c/data-access/11.md [Latest](https://community.opentargets.org/latest.md) · [Categories](https://community.opentargets.org/categories.md) · [Tags](https://community.opentargets.org/tags.md) --- ## [About the Data Access category](https://community.opentargets.org/t/about-the-data-access-category/34)
**Author:** [@community\_manager](https://community.opentargets.org/u/community_manager)\ **Replies:** 0
For questions around accessing Open Targets data. Please use the subcategories to further refine your access point: web interface, GraphQL API, Google BigQuery, data downloads. Note, we already have some information in… --- ## [Target.expressions returns empty as of 26.06 — has it been replaced by baselineExpression?](https://community.opentargets.org/t/target-expressions-returns-empty-as-of-26-06-has-it-been-replaced-by-baselineexpression/2043)
**Author:** [@elarwei](https://community.opentargets.org/u/elarwei)\ **Replies:** 4\ **Last updated:** [2 July 2026 15:28 UTC](https://community.opentargets.org/t/target-expressions-returns-empty-as-of-26-06-has-it-been-replaced-by-baselineexpression/2043 "2026-07-02T15:28:54Z")
Hi all, I searched the community first and only found an older thread about the previous expressions structure (/t/graphql-query-for-expression-data/1840), which predates this change — so I’m opening a new topic. On … --- ## [MPC server link broken](https://community.opentargets.org/t/mpc-server-link-broken/1972)
**Author:** [@cinzia](https://community.opentargets.org/u/cinzia)\ **Replies:** 3\ **Last updated:** [18 June 2026 15:06 UTC](https://community.opentargets.org/t/mpc-server-link-broken/1972 "2026-06-18T15:06:25Z")
Dear all, In your latest blog post, " Introducing the official Open Targets Platform Model Context Protocol ” there is a link to the MPC server. Unfortunately, the server appears to be down at the moment. When accessi… --- ## [Traceability on the dates](https://community.opentargets.org/t/traceability-on-the-dates/2030)
**Author:** [@paula.esteller](https://community.opentargets.org/u/paula.esteller)\ **Replies:** 0\ **Last updated:** [4 June 2026 08:14 UTC](https://community.opentargets.org/t/traceability-on-the-dates/2030 "2026-06-04T08:14:09Z")
Is there a way to obtain timestamps or any historical information for the tractability feature? In another words, is there a way to track when specific items were introduced, or to access different versions of this trac… --- ## [Known\_drugs absent from 26.03](https://community.opentargets.org/t/known-drugs-absent-from-26-03/1995)
**Author:** [@sigven](https://community.opentargets.org/u/sigven)\ **Replies:** 4\ **Last updated:** [28 May 2026 13:13 UTC](https://community.opentargets.org/t/known-drugs-absent-from-26-03/1995 "2026-05-28T13:13:56Z")
Hi, Congrats on making yet another release:) In previous releases, there have been parquet downloads for “known\_drugs”, e.g.: If this is intentional (that known\_drug is obsolete), could you outline how to obtain the … --- ## [Availability of the "replicated" CSs from Tsepilov et al 2026?](https://community.opentargets.org/t/availability-of-the-replicated-css-from-tsepilov-et-al-2026/2019)
**Author:** [@shastvx1](https://community.opentargets.org/u/shastvx1)\ **Replies:** 1\ **Last updated:** [18 May 2026 14:00 UTC](https://community.opentargets.org/t/availability-of-the-replicated-css-from-tsepilov-et-al-2026/2019 "2026-05-18T14:00:17Z")
Hello folks, I just finished reading your recent preprint: The Human Pleiotropic Map of GWASAssociations and Therapeutic Implications and wanted to say that it was extremely well-written! I was wondering the ~260k replic… --- ## [\[MCP\] Hosted MCP endpoint intermittently fails on fresh sessions (-32000 / -32602)](https://community.opentargets.org/t/mcp-hosted-mcp-endpoint-intermittently-fails-on-fresh-sessions-32000-32602/2003)
**Author:** [@ttilly](https://community.opentargets.org/u/ttilly)\ **Replies:** 3\ **Last updated:** [11 May 2026 08:29 UTC](https://community.opentargets.org/t/mcp-hosted-mcp-endpoint-intermittently-fails-on-fresh-sessions-32000-32602/2003 "2026-05-11T08:29:06Z")
Hi Open Targets team, First of all, we really appreciate the MCP offering in the first place; it’s a helpful way to work with Open Targets programmatically! We’ve run into intermittent issues with the hosted MCP endpoi… --- ## [Croissant.json errors in new 26.03 release - and request for consistent column names between releases (if possible)](https://community.opentargets.org/t/croissant-json-errors-in-new-26-03-release-and-request-for-consistent-column-names-between-releases-if-possible/1993)
**Author:** [@flo](https://community.opentargets.org/u/flo)\ **Replies:** 6\ **Last updated:** [1 April 2026 10:20 UTC](https://community.opentargets.org/t/croissant-json-errors-in-new-26-03-release-and-request-for-consistent-column-names-between-releases-if-possible/1993 "2026-04-01T10:20:10Z")
Hi OpenTargets team, Thanks and congrats on the 26.03 release! The croissant file is very useful, allowing for automated parsing pipelines. Those pipelines work if the croissant file is correct, which unfortunately is … --- ## [Updating API code query from OTG to OpenTargets Platform](https://community.opentargets.org/t/updating-api-code-query-from-otg-to-opentargets-platform/1897)
**Author:** [@Sabor117](https://community.opentargets.org/u/Sabor117)\ **Replies:** 20\ **Last updated:** [25 March 2026 11:35 UTC](https://community.opentargets.org/t/updating-api-code-query-from-otg-to-opentargets-platform/1897 "2026-03-25T11:35:15Z")
This is something of a follow-up to an old (and resolved) question I asked on here over a year ago: List of commands and options available in OTG GraphQL for running PheWAS Essentially, I had been using the OTG API from… --- ## [Schema for datasets available on Data downloads](https://community.opentargets.org/t/schema-for-datasets-available-on-data-downloads/1985)
**Author:** [@alhenry](https://community.opentargets.org/u/alhenry)\ **Replies:** 1\ **Last updated:** [18 March 2026 08:25 UTC](https://community.opentargets.org/t/schema-for-datasets-available-on-data-downloads/1985 "2026-03-18T08:25:10Z")
Dear Open Targets community, On the Data Downloads page, there are schemas for individual datasets. I am wondering if there is a way to get a combined metadata / schema that covers all datasets available, preferably in … --- ## [Data gap in knownDrugs GraphQL results (for example CCR5 and Maraviroc)](https://community.opentargets.org/t/data-gap-in-knowndrugs-graphql-results-for-example-ccr5-and-maraviroc/1980)
**Author:** [@Minh](https://community.opentargets.org/u/Minh)\ **Replies:** 1\ **Last updated:** [2 March 2026 14:13 UTC](https://community.opentargets.org/t/data-gap-in-knowndrugs-graphql-results-for-example-ccr5-and-maraviroc/1980 "2026-03-02T14:13:50Z")
Hi Open Targets Community, I’m looking for some support regarding how to retrieve known drugs via the GraphQL API. For example, when querying CCR5 (ENSG00000160791) using the knownDrugs field, I can no longer find Mara… --- ## [Need help with my Google BigQuery - It appears that europepmc evidence now returns zero records](https://community.opentargets.org/t/need-help-with-my-google-bigquery-it-appears-that-europepmc-evidence-now-returns-zero-records/1960)
**Author:** [@bhattu](https://community.opentargets.org/u/bhattu)\ **Replies:** 3\ **Last updated:** [2 February 2026 08:15 UTC](https://community.opentargets.org/t/need-help-with-my-google-bigquery-it-appears-that-europepmc-evidence-now-returns-zero-records/1960 "2026-02-02T08:15:30Z")
The association\_by\_datasource\_direct table returns data for datasourceId=‘europepmc’, but the underlying evidence table has no corresponding records for the same gene and datasource. This prevents us from retrieving lite… --- ## [How do I know the indication of a clinical trial for a target?](https://community.opentargets.org/t/how-do-i-know-the-indication-of-a-clinical-trial-for-a-target/1582)
**Author:** [@Mi\_Yang](https://community.opentargets.org/u/Mi_Yang)\ **Replies:** 3\ **Last updated:** [28 January 2026 19:42 UTC](https://community.opentargets.org/t/how-do-i-know-the-indication-of-a-clinical-trial-for-a-target/1582 "2026-01-28T19:42:35Z")
Hello, When i download the target - disease association table from a disease page, for example: Open Targets Platform I can see that for each target there is a “maxClinicalTrialPhase” showing the max clinical trial pha… --- ## [Search pairs of DiseaseID and traitFromSource](https://community.opentargets.org/t/search-pairs-of-diseaseid-and-traitfromsource/1973)
**Author:** [@hanl3](https://community.opentargets.org/u/hanl3)\ **Replies:** 11\ **Last updated:** [23 January 2026 23:22 UTC](https://community.opentargets.org/t/search-pairs-of-diseaseid-and-traitfromsource/1973 "2026-01-23T23:22:19Z")
In the study dataset from the OTG platform (v25.12/output), I only see the traitFromSource column and cannot find diseaseId. How can I obtain the corresponding pairs of traitFromSource and diseaseId? Thanks! --- ## [MCP server for Open Targets Data](https://community.opentargets.org/t/mcp-server-for-open-targets-data/1805)
**Author:** [@nickzren](https://community.opentargets.org/u/nickzren)\ **Replies:** 4\ **Last updated:** [12 January 2026 14:47 UTC](https://community.opentargets.org/t/mcp-server-for-open-targets-data/1805 "2026-01-12T14:47:32Z")
I have createda standalone MCP (Model-Context Protocol) server that wraps the GraphQL API into a set of simple, easy-to-use tools. This allows an AI agent to perform complex, multi-step queries without needing to constr… --- ## [Searching credibleSets by region overlap](https://community.opentargets.org/t/searching-crediblesets-by-region-overlap/1956)
**Author:** [@Flizzy](https://community.opentargets.org/u/Flizzy)\ **Replies:** 2\ **Last updated:** [26 December 2025 12:19 UTC](https://community.opentargets.org/t/searching-crediblesets-by-region-overlap/1956 "2025-12-26T12:19:33Z")
I’m trying to retrieve all credible sets (study-loci) that overlap a genomic interval (e.g., a ±500kb window around a gene). I expected the regions argument of credibleSets to behave like an interval/overlap filter, but … --- ## [Data downloads server is down!](https://community.opentargets.org/t/data-downloads-server-is-down/1953)
**Author:** [@Charlie\_Jeynes](https://community.opentargets.org/u/Charlie_Jeynes)\ **Replies:** 2\ **Last updated:** [18 December 2025 15:23 UTC](https://community.opentargets.org/t/data-downloads-server-is-down/1953 "2025-12-18T15:23:17Z")
data downloads server is down!!! i’ve just tried and it’s donw i think thanks Charlie --- ## [Where to get anatomical ontology term hierarchy?](https://community.opentargets.org/t/where-to-get-anatomical-ontology-term-hierarchy/1940)
**Author:** [@Danzo](https://community.opentargets.org/u/Danzo)\ **Replies:** 5\ **Last updated:** [4 December 2025 14:53 UTC](https://community.opentargets.org/t/where-to-get-anatomical-ontology-term-hierarchy/1940 "2025-12-04T14:53:44Z")
I’m looking at the association\_overall\_direct’table’ and I’m finding the disease ontology information in the disease table super useful for mapping associations up to disease groups. I’d like to do the same for (baseline… --- ## [Issue with Downloading TSV Data from Open Targets Platform](https://community.opentargets.org/t/issue-with-downloading-tsv-data-from-open-targets-platform/1946)
**Author:** [@yhc11](https://community.opentargets.org/u/yhc11)\ **Replies:** 2\ **Last updated:** [4 December 2025 09:59 UTC](https://community.opentargets.org/t/issue-with-downloading-tsv-data-from-open-targets-platform/1946 "2025-12-04T09:59:42Z")
Hi, I tried downloading data from the Open Targets Platform using the “Export” button as a TSV file, but the process has been stuck on “preparing data” for several hours. Not sure if I did anything wrong. The dataset is… --- ## [Genetics data - combine variant id, target id, disease id](https://community.opentargets.org/t/genetics-data-combine-variant-id-target-id-disease-id/1943)
**Author:** [@Anna-Isavella\_Rerra](https://community.opentargets.org/u/Anna-Isavella_Rerra)\ **Replies:** 1\ **Last updated:** [19 November 2025 15:00 UTC](https://community.opentargets.org/t/genetics-data-combine-variant-id-target-id-disease-id/1943 "2025-11-19T15:00:24Z")
Hello, I am searching for some genetics data to download that combine info about variant IDs, target IDs and disease IDs. From what i see in the downloads page, in the genetics part: variant files: there is variant id… --- ## [Best approach for L2G mapping with GWAS variant lists for a specific indication](https://community.opentargets.org/t/best-approach-for-l2g-mapping-with-gwas-variant-lists-for-a-specific-indication/1939)
**Author:** [@jkozlowska](https://community.opentargets.org/u/jkozlowska)\ **Replies:** 1\ **Last updated:** [10 November 2025 13:22 UTC](https://community.opentargets.org/t/best-approach-for-l2g-mapping-with-gwas-variant-lists-for-a-specific-indication/1939 "2025-11-10T13:22:36Z")
Hi there! I have long lists of GWAS-associated variants and would like to obtain L2G scores to identify likely causal genes. I’d appreciate guidance on the best approach as it’s currently unclear. I’ve prepared my data … --- ## [Missing 'units' in the baseline expression data?](https://community.opentargets.org/t/missing-units-in-the-baseline-expression-data/1941)
**Author:** [@Danzo](https://community.opentargets.org/u/Danzo)\ **Replies:** 0\ **Last updated:** [7 November 2025 16:48 UTC](https://community.opentargets.org/t/missing-units-in-the-baseline-expression-data/1941 "2025-11-07T16:48:52Z")
I actually managed to answer my own question while writing it out… Here is my summary: Why is unit often empty? Look at baselineExpressionMaps in the code. GitHub val rnaTransposed = transposeDataframe(rnaDF, Seq… --- ## [Clarification needed: disease\_hpo dataset appears to contain CHEBI terms instead of HPO terms](https://community.opentargets.org/t/clarification-needed-disease-hpo-dataset-appears-to-contain-chebi-terms-instead-of-hpo-terms/1938)
**Author:** [@ivytran](https://community.opentargets.org/u/ivytran)\ **Replies:** 2\ **Last updated:** [31 October 2025 14:12 UTC](https://community.opentargets.org/t/clarification-needed-disease-hpo-dataset-appears-to-contain-chebi-terms-instead-of-hpo-terms/1938 "2025-10-31T14:12:18Z")
Hello Open Targets Team, I am working with the disease\_hpo dataset, which is described in the documentation as containing Human Phenotype Ontology (HPO) information. However, when inspecting the dataset, the entries app… --- ## [Querying older Open Targets Platform versions (need data from 24.09 for neurodegenerative disease)](https://community.opentargets.org/t/querying-older-open-targets-platform-versions-need-data-from-24-09-for-neurodegenerative-disease/1936)
**Author:** [@Vittorio\_lembo](https://community.opentargets.org/u/Vittorio_lembo)\ **Replies:** 1\ **Last updated:** [24 October 2025 15:46 UTC](https://community.opentargets.org/t/querying-older-open-targets-platform-versions-need-data-from-24-09-for-neurodegenerative-disease/1936 "2025-10-24T15:46:12Z")
Hi everyone, I was wondering if there is a way to query an older version of the Open Targets Platform (specifically version 24.09). I only need the number of targets associated with “neurodegenerative disease” (EFO = EF… --- ## [P-values and standard errors of credible set variants](https://community.opentargets.org/t/p-values-and-standard-errors-of-credible-set-variants/1920)
**Author:** [@Juha\_Karjalainen](https://community.opentargets.org/u/Juha_Karjalainen)\ **Replies:** 2\ **Last updated:** [12 September 2025 11:20 UTC](https://community.opentargets.org/t/p-values-and-standard-errors-of-credible-set-variants/1920 "2025-09-12T11:20:53Z")
Hello Having downloaded the credible set parquet files I noticed it seems only the lead variant in a credible set has a p-value, and none of the variants have standard error (while all variants have beta). Am I missing … --- ## [Inconsistent Disease-target Association score from webpage](https://community.opentargets.org/t/inconsistent-disease-target-association-score-from-webpage/1889)
**Author:** [@simonniu](https://community.opentargets.org/u/simonniu)\ **Replies:** 1\ **Last updated:** [8 August 2025 07:41 UTC](https://community.opentargets.org/t/inconsistent-disease-target-association-score-from-webpage/1889 "2025-08-08T07:41:26Z")
Hi there, I notice that the association score is inconsistent between the webpage and the data I downloaded from Associations - direct (overall score). For example, we can see gastric cancer-MYC is 0.42 on webpage, but … --- ## [Rsync.ebi.ac.uk times out](https://community.opentargets.org/t/rsync-ebi-ac-uk-times-out/1863)
**Author:** [@jdreo](https://community.opentargets.org/u/jdreo)\ **Replies:** 3\ **Last updated:** [16 July 2025 13:30 UTC](https://community.opentargets.org/t/rsync-ebi-ac-uk-times-out/1863 "2025-07-16T13:30:25Z")
Hi, when trying to run the rsync command mentioned in the documentation, an error occurs:  rsync -rpltvz --delete rsync.ebi.ac.uk::pub/databases/opentargets/platform/25.03/output/disease . rsync: \[Receiver\] safe\_read… --- ## [R query for colocalizations](https://community.opentargets.org/t/r-query-for-colocalizations/1846)
**Author:** [@Kumar\_Veerapen](https://community.opentargets.org/u/Kumar_Veerapen)\ **Replies:** 5\ **Last updated:** [9 July 2025 10:03 UTC](https://community.opentargets.org/t/r-query-for-colocalizations/1846 "2025-07-09T10:03:28Z")
I am really new to using the API and was curious if someone could help me? I am attempting to obtain all possible colocalizations in a particular gene and I believe the first thing I needed was to obtain studyLocusID . … --- ## [Fetching the disease ontology level](https://community.opentargets.org/t/fetching-the-disease-ontology-level/1820)
**Author:** [@Aner\_Ottolenghi](https://community.opentargets.org/u/Aner_Ottolenghi)\ **Replies:** 3\ **Last updated:** [1 July 2025 09:08 UTC](https://community.opentargets.org/t/fetching-the-disease-ontology-level/1820 "2025-07-01T09:08:54Z")
Hi kind people of the OT community! I wanted to know if it is possible, using the API, to fetch the level of a disease in the disease ontology? So for example, in the image - colitis is positioned 5th from the root. Is… --- ## [Credible set variants with PIP but no L2G score](https://community.opentargets.org/t/credible-set-variants-with-pip-but-no-l2g-score/1818)
**Author:** [@mjatoi](https://community.opentargets.org/u/mjatoi)\ **Replies:** 1\ **Last updated:** [6 June 2025 08:43 UTC](https://community.opentargets.org/t/credible-set-variants-with-pip-but-no-l2g-score/1818 "2025-06-06T08:43:32Z")
Hi there, When querying for variants that are in Open Targets in R, I noticed that some credible set variants have a posterior probability but do not have a L2G score; is this because “all \[L2G\] predictions below 0.05 a… [Next page](https://community.opentargets.org/c/data-access/11.md?page=1)