BROWSER USE - Browser Use Agents: give Browser Use a task and receive completed work. API V4 is current for new integrations. - Browser Infrastructure: connect your agent or automation to managed browsers through SDK, REST, or CDP. Starts at $0.02/browser-hour. - Developer tools: Open Source, Browser Harness, SDK, and MCP support the two products above. [Developer Index](https://browser-use.com/index.md) [Product Map](https://browser-use.com/llms.txt) [Full Product Context](https://browser-use.com/llms-full.txt) [Pricing](https://browser-use.com/pricing.md) [Cloud Docs](https://docs.browser-use.com/cloud/quickstart) [Open Source Docs](https://docs.browser-use.com/open-source/introduction) --- # SeqCraft: 57 WebMCP tools for AI agents ![](https://www.google.com/s2/favicons?domain=seqcraft.onrender.com&sz=96) Other · seqcraft.onrender.com ## SeqCraft In-browser molecular biology workbench. Agents can inspect plasmids, select regions, edit sequences and manage annotations. [Open seqcraft.onrender.com](https://seqcraft.onrender.com/) ## Ask an agent to - List the features annotated on my plasmid - Reverse complement bases 120 to 450 for review - Create a new circular construct from a DNA sequence ## 57 tools - `seqcraft_analyze_primer`read-onlyuntrusted content Compute melting temperature, GC content, molecular weight, and exact IUPAC-compatible binding loci on the template construct. documentId: string?, sequence: string?, primerId: string? - `seqcraft_analyze_restriction_sites`read-onlyuntrusted content Search for recognition and cut sites of standard restriction enzymes (Type II and Type IIS, e.g. EcoRI, BamHI, BsaI, BsmBI, NotI, HindIII) on the target molecule. Returns 1-based coordinates \[start1, end1\]… documentId: string?, enzymeNames: array - `seqcraft_clear_selection`untrusted content Clear the active range selection and unselect any highlighted features or primers in the SeqCraft workspace. - `seqcraft_compare_documents`read-onlyuntrusted content Perform pairwise biological sequence comparison and alignment between two documents in the workspace. Returns identity percentage, nucleotide differences (substitutions, insertions, deletions), and feature… sourceDocumentId: string, targetDocumentId: string - `seqcraft_copy_region_between_documents`untrusted content Extract a nucleotide region \[sourceStart1, sourceEnd1\] from a source construct and stage its insertion into a target construct at targetPosition1. Stages a revision-locked transaction on the target construct. sourceDocumentId: string, sourceStart1: integer, sourceEnd1: integer, targetDocumentId: string, targetPosition1: integer, orientation: string? - `seqcraft_create_document`untrusted content Create a new sequence document in the SeqCraft workspace from a nucleotide string. Validates sequence alphabet (DNA/RNA IUPAC). name: string, sequence: string, alphabet: string?, topology: string? - `seqcraft_create_document_from_region`untrusted content Extract a nucleotide sub-region \[start1, end1\] from a construct and create a new independent construct in the workspace. sourceDocumentId: string?, start1: integer, end1: integer, name: string, orientation: string?, topology: string? - `seqcraft_delete_document`untrusted content Remove a document from the SeqCraft workspace. To prevent accidental deletion during exploration, you must explicitly set confirmDelete: true. documentId: string, confirmDelete: boolean - `seqcraft_detect_known_features`read-onlyuntrusted content Scan the active or specified sequence against SeqCraft built-in curated biological feature library (promoters, origins, antibiotic resistance markers, reporters, tags). Returns identified matches with positions and… documentId: string? - `seqcraft_domesticate_sequence`read-onlyuntrusted content Scan a sequence for internal Type IIS or standard restriction sites and return revision-bound synonymous mutation candidates to eliminate internal cut sites without altering protein translation. Follow up with… documentId: string?, enzymeId: string - `seqcraft_duplicate_document`untrusted content Create an independent, isolated working copy of an existing document. Useful for safe experimentation, staging edits without altering the original construct, and testing modifications. documentId: string?, newName: string? - `seqcraft_edit_sequence`untrusted content Stage an insertion, deletion, or replacement on a DNA/RNA molecule using 1-based closed coordinates. Evaluates biological consequences (CDS frames, amino acid translations, restriction sites) and stages a… documentId: string?, operation: object?, range1: object?, sequence: string?, rationale: string? - `seqcraft_execute_actions`untrusted content Execute a batch of SeqCraft tool actions in sequential order. Rejects recursion. If any action stages a sequence mutation (status: awaiting\_approval) or errors in stop\_on\_error mode, execution halts immediately… actions: array, mode: string? - `seqcraft_export_document`read-onlyuntrusted content Export the active or specified construct to standard bioinformatic formats: GenBank flat file (including all features and annotations), FASTA, or SeqCraft JSON format. Returns generated text, filename, revision, and… documentId: string?, format: string? - `seqcraft_export_sequence`read-onlyuntrusted content Export the active or specified construct to standard bioinformatic formats: GenBank flat file (including all features and annotations), FASTA, or SeqCraft JSON format. Returns generated text, filename, revision, and… documentId: string?, format: string? - `seqcraft_find_crispr_targets`read-onlyuntrusted content Scan sequence for CRISPR-Cas guide RNA target sites and protospacers across multiple Cas effectors (SpCas9, SaCas9, Cas12a/Cpf1, Cas12e/CasX). Computes on-target quality scores, GC balance, Pol III termination… documentId: string?, nuclease: string?, minQualityScore: integer?, maxResults: integer? - `seqcraft_find_orfs`read-onlyuntrusted content Search for open reading frames across all six reading frames using NCBI genetic code table 1 and a configurable minimum codon count. documentId: string?, minCodons: integer? - `seqcraft_focus_region`untrusted content Navigate, scroll, and center the editor view around a specific nucleotide region using 1-based closed coordinates \[start1, end1\]. Optionally selects the region or switches representation. documentId: string?, start1: integer, end1: integer, preferredView: string? - `seqcraft_generate_opentrons_protocol`read-onlyuntrusted content Compile a production-ready Python protocol for automated liquid handling on Opentrons OT-2 or Flex robots. Supports PCR master mix distribution and restriction digestion setups. mode: string, robotModel: string?, numReactions: integer?, reactionVolumeUl: number?, documentId: string?, forwardPrimer: string?, reversePrimer: string?, annealingTempC: number?, … (list cut; the site may define more) - `seqcraft_get_active_document`read-onlyuntrusted content Retrieve summary details, topological properties, annotations count, primers count, and revision metadata for the active or specified document. documentId: string? - `seqcraft_get_capabilities`read-only Discover SeqCraft scientific workflows, coordinate conventions (1-based closed \[start1, end1\]), privacy boundaries, approval rules, and suggested agent task sequences. Use this when planning a multi-step interaction… - `seqcraft_get_document_revision`read-onlyuntrusted content Query the current revision number and canonical SHA-256 sequence hash of a document. Essential for revision-locking proposals, avoiding race conditions, and verifying mutation commits. documentId: string? - `seqcraft_get_history`read-onlyuntrusted content Retrieve the change history log and undo/redo availability for the active or specified construct. documentId: string? - `seqcraft_get_pending_transaction`read-onlyuntrusted content Check the lifecycle state (awaiting\_approval, applied, rejected, or stale) and provenance of a staged sequence transaction. Call this after staging an edit with seqcraft\_edit\_sequence or candidate staging tools to… transactionId: string? - `seqcraft_get_selected_context`read-onlyuntrusted content Read the currently selected nucleotide sequence slice and overlapping biological features in 1-based closed coordinates. Use this to inspect what the human user or current selection is highlighting without retrieving… documentId: string? - `seqcraft_get_transaction_status`read-onlyuntrusted content Check the lifecycle state (awaiting\_approval, applied, rejected, or stale) and provenance of a staged sequence transaction. Call this after staging an edit with seqcraft\_edit\_sequence or candidate staging tools to… transactionId: string? - `seqcraft_get_workspace_context`read-onlyuntrusted content Read the current SeqCraft workspace state, including the active molecule, current selection, selected feature, pending transaction state, active view, and registered tool count. Preferred bootstrap tool for any task… includeDocumentList: boolean? - `seqcraft_import_from_database`untrusted content Fetch and import an authoritative biological sequence from a public repository (NCBI Nucleotide / GenBank, RefSeq, ENA, Addgene) by accession ID into the SeqCraft workspace. Use this tool whenever the user references… provider: string?, accession: string, format: string?, openAfterImport: boolean? - `seqcraft_import_sequence_text`untrusted content Import DNA/RNA sequence data into SeqCraft from FASTA, GenBank flat file, or raw sequence text. Creates and opens the construct(s) in the workspace. content: string, name: string? - `seqcraft_list_documents`read-onlyuntrusted content List all sequence constructs/documents currently loaded in the SeqCraft workspace with their IDs, names, topologies, lengths in base pairs, and revision numbers. - `seqcraft_list_features`read-onlyuntrusted content List all annotated biological features (CDS, promoters, genes, origins, resistance markers, tags) on the target construct with their coordinates \[start1, end1\], strand (+/-), type, and qualifiers. documentId: string?, type: string? - `seqcraft_list_primers`read-onlyuntrusted content List all custom oligonucleotides and primers configured for the target molecule, including their sequences, lengths, and binding positions. documentId: string? - `seqcraft_mutate_feature`untrusted content Create, update, delete, or batch-create biological annotations on the active or specified construct using 1-based closed coordinates \[start1, end1\]. Immediately updates document annotations and records revision… documentId: string?, action: string, feature: object?, features: array?, featureId: string? - `seqcraft_mutate_primer`untrusted content Create, auto-bind, update, or delete primers on the construct. Action "add\_from\_sequence" automatically validates the primer, finds binding loci on the template molecule, and attaches the primer to the document. documentId: string?, action: string, name: string?, sequence: string?, description: string?, primerId: string?, patch: object? - `seqcraft_plan_domestication`read-onlyuntrusted content Scan a sequence for internal Type IIS or standard restriction sites and return revision-bound synonymous mutation candidates to eliminate internal cut sites without altering protein translation. Follow up with… documentId: string?, enzymeId: string - `seqcraft_prepare_restriction_clone`untrusted content Simulate restriction cloning between an insert construct and a destination vector using compatible restriction enzyme sticky ends. insertDocumentId: string, insertEnzyme1: string, insertEnzyme2: string, vectorDocumentId: string, vectorEnzyme1: string, vectorEnzyme2: string - `seqcraft_propose_annotation`untrusted content Automatically detect and apply a known annotation match from the built-in database to the molecule. documentId: string?, matchIndex: integer - `seqcraft_redo`untrusted content Redo the previously undone sequence edit on the active or specified construct in SeqCraft history. documentId: string? - `seqcraft_restore_revision`untrusted content Stage restoration of a document to a historical snapshot in the undo stack. Stages a revision-locked transaction. documentId: string, historySnapshotIndex: integer - `seqcraft_reverse_complement_region`untrusted content Stage an in-place reverse complement of a sequence region \[start1, end1\] on the target molecule. Creates a revision-locked transaction for human review. documentId: string?, start1: integer, end1: integer - `seqcraft_rotate_origin`untrusted content Stage setting a new circular origin (position 1) on a circular plasmid. Re-indexes nucleotide coordinates and feature locations. Requires a circular topology and human review. documentId: string?, newOrigin1: integer, rationale: string? - `seqcraft_screen_biosecurity`read-onlyuntrusted content Run automated biosecurity reference pre-screening against diagnostic signature motifs of regulated Select Agents and Controlled Biological Toxins (Filoviruses, Poxviruses, Henipaviruses, Anthrax, Tularemia, Plague… documentId: string? - `seqcraft_search_sequence_database`read-onlyuntrusted content Search public biological sequence databases (NCBI Nucleotide / GenBank, RefSeq, ENA / EMBL-EBI, Addgene) for accession IDs, plasmid constructs, genes, or genomes matching a query. Returns compact candidate records… provider: string?, query: string, limit: integer? - `seqcraft_select_feature`untrusted content Select an existing biological feature/annotation on the active or specified document by its unique feature ID. Highlights the feature in the viewer and opens its properties in the inspector. featureId: string, documentId: string? - `seqcraft_select_range`untrusted content Select a continuous range of nucleotides on the active or specified molecule using 1-based closed coordinates \[start1, end1\]. Updates the visible editor selection for human and agent context sharing. documentId: string?, start1: integer, end1: integer - `seqcraft_select_sequence_range`untrusted content Select a continuous range of nucleotides on the active or specified molecule using 1-based closed coordinates \[start1, end1\]. Updates the visible editor selection for human and agent context sharing. documentId: string?, start1: integer, end1: integer - `seqcraft_set_active_document`untrusted content Switch the active document tab in the SeqCraft workspace. Use this when you want to view, inspect, or edit a different open construct. documentId: string - `seqcraft_set_active_view`untrusted content Switch the primary workspace visualization view tab. Available views: map (plasmid/linear map), sequence (base-level nucleotide editor), features (annotation table), primers (primer design panel), enzymes (restriction… view: string - `seqcraft_show_feature`untrusted content Highlight and focus a specific feature on the canvas / editor view and reveal its properties in the inspector panel. documentId: string?, featureId: string - `seqcraft_show_restriction_site`untrusted content Highlight a restriction enzyme cut site on the map and editor view. documentId: string?, siteId: string?, enzymeName: string?, occurrence: integer?, view: string? - `seqcraft_simulate_digest`read-onlyuntrusted content Simulate single or multi-enzyme restriction digestion on a circular plasmid or linear DNA. Returns predicted fragment sizes, fragment sequences, and terminal overhang types. documentId: string?, enzymeNames: array - `seqcraft_simulate_golden_gate`read-onlyuntrusted content Simulate Golden Gate multi-fragment assembly using Type IIS restriction enzymes (e.g. BsaI, BsmBI, AarI). Validates compatible overhang pairs, checks junction fidelity, and returns the assembled construct. documentIds: array, enzymeName: string? - `seqcraft_simulate_pcr`read-onlyuntrusted content Simulate exact-match in silico PCR on a linear or circular template. Returns predicted amplicon coordinates, lengths, GC content, and primer-pair melting temperatures. documentId: string?, forwardPrimer: string?, reversePrimer: string? - `seqcraft_stage_domestication_candidate`untrusted content Stage an exact synonymous mutation candidate returned by seqcraft\_domesticate\_sequence. Checks revision locking to ensure the molecule was not modified since analysis, then creates a revision-locked transaction for… candidateId: string, documentId: string? - `seqcraft_stage_sequence_transaction`untrusted content Stage an exact synonymous mutation candidate returned by seqcraft\_domesticate\_sequence. Checks revision locking to ensure the molecule was not modified since analysis, then creates a revision-locked transaction for… candidateId: string, documentId: string? - `seqcraft_undo`untrusted content Undo the most recent sequence edit on the active or specified construct in SeqCraft history. documentId: string? - `seqcraft_update_document_metadata`untrusted content Update metadata for a document, such as renaming it or changing its topology (linear <-> circular). documentId: string?, name: string?, topology: string? Tools 57 Registered with JavaScript Scan finished Oct 19, 2026 Tool names and descriptions are what seqcraft.onrender.com/ registered when we loaded it in Chrome 154 on Browser Use Cloud. The summary and the “ask an agent” lines are AI-written from them. To call the tools yourself, see [Chrome’s WebMCP docs](https://developer.chrome.com/docs/ai/webmcp). 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