Basis Theory MCP by usefulapi
Read token metadata, applications, audit logs, proxies and usage in the PCI vault.
Connect it
Settings → Connectors → Add custom connector
URL: https://basis-theory.usefulapi.io/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://basis-theory.usefulapi.io/mcp{
"mcpServers": {
"basis-theory": {
"url": "https://basis-theory.usefulapi.io/mcp"
}
}
}claude mcp add --transport http basis-theory https://basis-theory.usefulapi.io/mcp{
"servers": {
"basis-theory": {
"type": "http",
"url": "https://basis-theory.usefulapi.io/mcp"
}
}
}17 tools, verified live
basis_theory_list_tokensread-onlyList vault tokens as METADATA — id, type, container, fingerprint, metadata and timestamps. Does not return the underlying card number or PII. Basis Theory: GET /v2/tokens.
basis_theory_search_tokensread-onlySearch tokens with Basis Theory's query syntax over metadata, e.g. metadata.customer_id:"cus_1". Returns metadata only. Read-only despite being a POST — the query goes in the body. Basis Theory: POST /v2/tokens/search.
basis_theory_get_tokenread-onlyFetch a single token by id. Returns metadata, container, fingerprint and timestamps. WARNING: if the configured API key carries a reveal permission, the response also contains the token's plaintext data — issue this server a read-only management key instead. Basis Theory: GET /tokens/{id}.
basis_theory_list_applicationsread-onlyList the applications (API-key holders) in the tenant, with their types and permissions. Basis Theory: GET /applications.
basis_theory_get_applicationread-onlyFetch a single application with its type and permission list. Basis Theory: GET /applications/{id}.
basis_theory_whoamiread-onlyReturn the application the configured BT-API-KEY belongs to — the fastest way to check which permissions this server actually has. Basis Theory: GET /applications/key.
basis_theory_list_logsread-onlyList audit-log entries — who did what to which entity and when. The tool for answering 'who touched this token?'. Basis Theory: GET /logs.
basis_theory_list_log_entity_typesread-onlyList the entity types the audit log records — the valid values for entity_type. Basis Theory: GET /logs/entity-types.
basis_theory_list_proxiesread-onlyList the proxies that forward requests to third parties, detokenizing in flight. Basis Theory: GET /proxies.
basis_theory_get_proxyread-onlyFetch a single proxy with its destination URL and transform configuration. Basis Theory: GET /proxies/{id}.
basis_theory_list_reactorsread-onlyList reactors — the serverless functions that run against detokenized data inside the vault. Basis Theory: GET /reactors.
basis_theory_get_reactorread-onlyFetch a single reactor with its configuration. Basis Theory: GET /reactors/{id}.
basis_theory_list_permissionsread-onlyList the permissions that can be granted to an application, optionally for one application type. Basis Theory: GET /permissions.
basis_theory_list_rolesread-onlyList the roles available for tenant members. Basis Theory: GET /roles.
basis_theory_get_tenantread-onlyFetch the current tenant — name, id and settings. Basis Theory: GET /tenants/self.
basis_theory_get_tenant_usageread-onlyFetch the tenant's usage report — token counts by type and container, and monthly API call volume. Basis Theory: GET /tenants/self/reports/usage.
basis_theory_list_tenant_membersread-onlyList the people with access to the tenant, and their roles. Basis Theory: GET /tenants/self/members.
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