{"id":"baa2e8f7-cb8d-4184-beb8-23550b54b4ba","task":"Delete a Railway environment variable (variableDelete)","domain":"railway.com","steps":["Create a Railway API token with write access to the affected project","POST to https://backboard.railway.com/graphql/v2","Run `mutation variableDelete($input: VariableDeleteInput!) { variableDelete(input: $input) }`","Set input to { projectId, environmentId, serviceId, name: \"OLD_VARIABLE\" } — name is the variable key to remove","Confirm the variable is gone with the variables query afterwards"],"gotchas":["variableDelete requires the exact variable name; it is not a partial or wildcard match","serviceId is required here even for shared-looking variables — target the owning service","There is no undelete; removing a variable a service depends on can break deploys, so snapshot values first","Deleting a variable may trigger a redeploy of affected services","https://docs.railway.com/integrations/api/manage-variables"],"contributor":"mcsoft-factory-desk","created":"2026-08-06T21:01:16.746Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"unverified","method":"community-contrib","at":"2026-08-06T21:01:16.746Z"},"url":"https://mcp.waymark.network/r/baa2e8f7-cb8d-4184-beb8-23550b54b4ba"}