Claude finance skills: what we reviewed
Claude finance skills give an agent a method for numbers and filings: build a DCF, compare SEC filings, reconcile a ledger, prepare a tax return. We reviewed seven, and every one has a caveats verdict. Two reasons come up again and again. The most useful skills need data from paid providers or a government service, and the output is analysis for a person to review, never advice to act on without one.
This page is not investment advice. It describes what each skill does and what it can access.
The seven split into four rough groups. Anthropic’s reference collection covers modeling, research and KYC work in financial services. Two skills handle market research and filings, one for SEC documents and one for Chinese equity data. Three cover tax and bookkeeping for specific countries or many jurisdictions. One is a different kind of skill: a router for agents that pay and contract with other agents.
What to look for in Claude finance skills
Start with the data. A skill that says “analyze this company” without a data source is working from the model’s memory. The better packs name their sources: SEC EDGAR filings, an exchange feed, a ledger file you supply. Others need a paid subscription or an API key, so read the dependency list before you invest time.
Next, check how money and identity are handled. Some tax skills hold personal identifiers or bank details. Others connect to payment or banking APIs. Look for dry runs, confirmation steps and a clear point where the skill stops and you finish.
Then check jurisdiction and review. A tax library for 250 jurisdictions is only as good as its reviews, and one such library says most of its skills have not been reviewed by an accountant. Check the license too. Apache-2.0 and AGPL-3.0 both appear in this category, and they place different obligations on teams that modify and redistribute the code.
On security, 5 of the seven are marked “review” and 2 have broad access. Our security page explains the labels, and the official guidance on third party skills is to read bundled scripts and dependencies first.
Recommended finance skills
- Claude for Financial Services is Anthropic’s reference collection: 112 skills and agents for DCF and three statement models, earnings review, GL reconciliation and KYC screening, aimed at banking, research and fund administration work. It is Apache-2.0 and targets Claude Cowork or Claude Code, either as Claude plugins or as Managed Agents. Many connectors depend on paid data providers such as Moody’s, Morningstar, S&P Global, FactSet and LSEG. Skills are duplicated across plugins, and the deployment scripts were not available for review.
- OpenAccountants is a library of 2,000 plus tax skills for 250 plus jurisdictions, with figures cited to the law. It is AGPL-3.0, and most skills lack accountant review. We label it broad access because the README steers you to a hosted connector that receives your questions and supplies skill content at runtime.
- Edgar Change Interpreter compares SEC 10-K, 10-Q and 8-K filings for material changes and silent risks, with quoted evidence and fixed output sections. It is a small skill with 7 stars, and its optional MCP fetcher could not be reviewed. It does not give investment recommendations.
- Paperasse covers French accounting, tax, audit, notary and co-ownership paperwork in six skills with reference data and evals. Connectors for Qonto and Stripe use your own keys against those services only, and the Qonto uploader defaults to a dry run.
- shinkoku is a Japanese plugin of 24 skills for sole proprietors and employees filing kakutei shinkoku, covering bookkeeping, tax calculation and e-Tax entry. It keeps a local ledger and a profile that can include My Number and bank details. The e-Tax skill tells the agent to stop before the signature and submit step so you finish it yourself, but it ships a script that spoofs browser signals on the government site, which you should read first.
One more to be careful with: Wind AliceMarket offers Chinese language skills for A-share and global equity analysis, plus Wind data and agent entry points. They depend on a paid Wind API key kept in a plain text file in your home directory.
The seventh skill sits at the edge of the category. Internet Court Skill is a router skill with connectors and vendored crypto protocol skills (x402, ERC-7710, escrow, GenLayer) for agents that pay and contract with other agents. It is the other skill we label broad access. Treat it as payment infrastructure and review it the way you would any code that can move funds.
Which skill fits which job
Match the skill to the task and the data you already have.
For modeling and research inside a firm, Claude for Financial Services is the broadest option. Its DCF and three statement model skills cover the income statement, balance sheet and cash flow statement work that analysts build by hand, and its earnings review and GL reconciliation skills fit month-end and reporting cycles. The catch is data. Without subscriptions to the providers its connectors expect, you are left with whatever you paste in or upload.
For reading public company filings, Edgar Change Interpreter is narrower and easier to inspect. It works on 10-K, 10-Q and 8-K documents and returns quoted evidence in fixed sections, which makes the output easy to check against the source filing. It suits analysts and finance leaders who want a second read of a filing, not a recommendation.
For tax work, pick by country. Paperasse is French and scored the highest depth of the seven (5). shinkoku is Japanese and built around the annual kakutei shinkoku return. OpenAccountants is the only multi-jurisdiction option, but its size cuts both ways: wide coverage, little accountant review, and a hosted connector in the recommended setup.
For Chinese equity research with Wind data, Wind AliceMarket is the only reviewed option, and it only makes sense if you already pay for Wind.
A workflow for finance teams
These steps apply to any of the seven skills. They follow from the caveats in our reviews.
- Read the skill’s README and dependency list. Note every API key, paid data provider and hosted connector it expects. If the skill points to a hosted service, decide whether your questions and documents may leave your machine.
- Read the bundled scripts. The official guidance says to do this for any third party skill. In this category it matters most for shinkoku’s browser script, OpenAccountants’ connector setup and Internet Court Skill’s payment code.
- Start with public or sample data. A filing from SEC EDGAR or a test ledger shows how the skill behaves before you hand it client records, personal identifiers or bank details.
- Use dry runs where they exist. Paperasse’s Qonto uploader defaults to one. Where a skill has no dry run, keep a human between the agent and any submit, upload or payment step, the way shinkoku stops before the e-Tax signature.
- Check figures against the source. OpenAccountants cites its figures to the law and Edgar Change Interpreter quotes the filing, so you can trace each number back. Do it before anything goes into a return, a memo or a board pack.
- Have a qualified person sign off. The output is analysis, not advice.
Example prompts
These show the kind of request each skill is built for. Adjust them to your files and jurisdiction.
- With Edgar Change Interpreter: “Compare this company’s latest 10-Q with the previous one and list material changes in risk factors, quoting the filing text for each.”
- With Claude for Financial Services: “Build a DCF from the attached three statement model and show every assumption on a separate sheet.” Or: “Reconcile this GL export against the bank statement and list unmatched items.”
- With Paperasse: ask in French about an accounting or co-ownership document, and keep the Qonto uploader in dry run until you have checked the result.
- With shinkoku: work through bookkeeping entries first, then the tax calculation, and finish the e-Tax signature and submission yourself.
Who should not use these skills
Skip this category if you want an agent to make trades, file returns or move money without a person checking each step. None of the seven is built or reviewed for that.
Skip the data-heavy packs if you lack the subscriptions. Claude for Financial Services loses much of its value without the paid providers behind its connectors, and Wind AliceMarket needs a paid Wind key to work at all.
Be cautious with OpenAccountants if your firm cannot send client questions to an outside service, and with shinkoku if you are not comfortable storing My Number and bank details in a local profile. Internet Court Skill is for builders of agent payment systems, not for finance teams looking for analysis help.
Frequently asked questions
Are Claude finance skills investment advice? No. Edgar Change Interpreter states that it does not give investment recommendations, and every skill here produces analysis for a person to review.
Do I need paid data to use them? It depends on the skill. Claude for Financial Services connects to providers such as Moody’s, Morningstar, S&P Global, FactSet and LSEG, and Wind AliceMarket needs a Wind API key. Edgar Change Interpreter works on SEC filings, and the tax skills work mainly on data you supply.
Do these skills run in Claude Cowork? Claude for Financial Services targets Claude Cowork and Claude Code. Check each other skill’s README for where it is meant to run.
Is there a skill for my country’s taxes? We reviewed skills for France (Paperasse), Japan (shinkoku) and a multi-jurisdiction library (OpenAccountants). For anything outside France and Japan, OpenAccountants is the only option here, and most of its skills lack accountant review.
Why does every skill have a caveats verdict? Each one depends on paid data, a hosted service, sensitive personal data or unreviewed code, and all of them need a person to check the output. How we review explains the scoring.
Related categories
For related paperwork, see legal skills. For spreadsheets and decks, see documents. The category page lists all seven, and how we review explains the scoring.